American Mathematics Competitions
2003 AMC 10 A Results for Illinois
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 3819
Number of unofficial participants: 7
Average score of participants: 75.0
Average score for female students is: 71.9 ( 1666 Students)
Average score for male students is: 77.8 ( 1967 Students)
Average score for unspecified gender is 72.7 ( 186 Students)
Average score for grade 10 is: 78.0 ( 1865 Students)
Average score for grade 9 is: 71.5 ( 1819 Students)
Average score for grade 8 and below is: 87.4 ( 75 Students)
Average score with unknown grade: 71.4 ( 60 Students)
AIME qualifying score = 119.0 or better
Number of AIME qualifers 46
Number of schools returning results 99
Average school winning score 107.21
American Mathematics Competitions
2003 AMC 12 A Results for Illinois
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 5669
Number of unofficial participants: 8
Average score of participants: 79.2
Average score for female students is: 74.9 ( 2440 Students)
Average score for male students is: 83.1 ( 3010 Students)
Average score for unspecified gender is 73.7 ( 219 Students)
Average score for grade 13 is: 83.0 ( 4 Students)
Average score for grade 12 is: 80.7 ( 2461 Students)
Average score for grade 11 is: 78.0 ( 2461 Students)
Average score for grade 10 is: 78.3 ( 563 Students)
Average score for grade 9 is: 78.6 ( 105 Students)
Average score for grade 8 and below is: 93.5 ( 2 Students)
Average score with unknown grade: 75.3 ( 73 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 734
Number of schools returning results 111
Average school winning score 109.68
Average school team score 311.82
American Mathematics Competitions
2003 AMC 10 B Results for Illinois
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1121
Number of unofficial participants: 0
Average score of participants: 81.8
Average score for female students is: 78.4 ( 514 Students)
Average score for male students is: 84.9 ( 566 Students)
Average score for unspecified gender is 79.8 ( 41 Students)
Average score for grade 10 is: 83.7 ( 545 Students)
Average score for grade 9 is: 79.0 ( 515 Students)
Average score for grade 8 and below is: 90.3 ( 51 Students)
Average score with unknown grade: 73.6 ( 10 Students)
AIME qualifying score = 121.0 or better
Number of AIME qualifers 9
Number of schools returning results 32
Average school winning score 110.19
American Mathematics Competitions
2003 AMC 12 B Results for Illinois
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1534
Number of unofficial participants: 10
Average score of participants: 78.5
Average score for female students is: 73.3 ( 619 Students)
Average score for male students is: 82.4 ( 857 Students)
Average score for unspecified gender is 77.7 ( 58 Students)
Average score for grade 13 is: 99.5 ( 2 Students)
Average score for grade 12 is: 80.6 ( 660 Students)
Average score for grade 11 is: 75.7 ( 742 Students)
Average score for grade 10 is: 86.5 ( 84 Students)
Average score for grade 9 is: 76.1 ( 28 Students)
Average score for grade 8 and below is: 65.3 ( 2 Students)
Average score with unknown grade: 88.7 ( 16 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 165
Number of schools returning results 40
Average school winning score 107.63
Average school team score 290.74
2003 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
150.0 5 1 0 1
149.5 0 0 0 0
149.0 0 0 0 0
148.5 0 0 0 0
148.0 0 0 0 0
147.5 0 0 0 0
147.0 0 0 0 0
146.5 0 0 1 0
146.0 0 0 0 0
145.5 0 0 0 0
145.0 0 0 0 0
144.5 0 0 0 0
144.0 3 0 0 0
143.5 0 0 0 0
143.0 0 2 0 0
142.5 0 0 0 0
142.0 0 0 0 0
141.5 0 0 0 0
141.0 0 0 0 0
140.5 1 1 0 0
140.0 0 0 0 0
139.5 1 0 0 0
139.0 0 0 0 0
138.5 0 0 0 0
138.0 3 0 1 0
137.5 0 0 0 0
137.0 2 0 0 0
136.5 0 0 0 0
136.0 1 0 0 0
135.5 0 0 0 0
135.0 0 0 0 0
134.5 1 1 0 1
134.0 0 0 0 0
133.5 2 1 1 1
133.0 0 0 0 0
132.5 1 1 3 0
132.0 1 0 0 1
131.5 0 0 0 0
131.0 2 1 1 0
130.5 0 0 0 0
130.0 1 2 3 0
129.5 0 0 0 0
129.0 3 0 2 0
128.5 1 0 1 1
128.0 0 0 0 0
127.5 0 4 1 0
127.0 0 0 0 0
126.5 0 1 2 0
126.0 2 0 0 0
125.5 2 0 2 0
125.0 5 0 2 1
124.5 0 0 0 0
124.0 2 0 3 1
123.5 0 0 0 0
123.0 4 3 0 1
122.5 1 0 1 0
122.0 9 1 3 0
121.5 3 3 3 1
121.0 0 0 0 0
120.5 8 4 4 3
120.0 2 0 2 1
119.5 4 3 8 3
119.0 2 0 2 0
118.5 9 2 0 0
118.0 5 0 8 0
117.5 0 0 0 0
117.0 17 2 10 6
116.5 0 0 0 1
116.0 11 3 4 1
115.5 3 1 2 1
115.0 18 3 3 0
114.5 7 2 5 0
114.0 0 1 0 0
113.5 19 5 13 7
113.0 4 0 2 1
112.5 23 9 10 1
112.0 13 1 3 1
111.5 14 4 0 2
111.0 14 3 7 6
110.5 2 0 0 0
110.0 30 7 12 6
109.5 5 0 1 1
109.0 30 8 7 8
108.5 12 3 8 5
108.0 24 5 2 4
107.5 26 6 16 12
107.0 1 0 3 1
106.5 36 12 16 7
106.0 10 0 9 3
105.5 39 13 6 11
105.0 18 2 15 8
104.5 19 6 4 6
104.0 31 4 28 13
103.5 6 3 2 6
103.0 51 5 17 4
102.5 10 1 11 3
102.0 39 7 12 4
101.5 28 3 24 7
101.0 20 7 2 3
100.5 51 7 23 11
100.0 5 1 5 2
99.5 53 12 14 15
99.0 13 4 24 5
98.5 40 14 10 8
98.0 46 14 21 10
97.5 9 4 12 6
97.0 58 10 32 18
96.5 9 3 4 2
96.0 73 18 25 20
95.5 24 4 30 7
95.0 65 13 16 11
94.5 52 11 34 16
94.0 22 4 11 3
93.5 68 20 23 12
93.0 19 2 22 3
92.5 67 15 17 12
92.0 45 4 38 11
91.5 28 5 15 8
91.0 62 18 34 12
90.5 15 3 17 6
90.0 76 25 36 18
89.5 33 5 20 3
89.0 86 26 29 18
88.5 53 12 23 16
88.0 26 5 16 11
87.5 62 14 58 17
87.0 26 7 18 9
86.5 84 14 37 15
86.0 41 9 32 8
85.5 48 14 29 7
85.0 59 13 36 13
84.5 46 8 19 9
84.0 112 28 55 24
83.5 35 4 26 8
83.0 120 35 38 10
82.5 52 10 36 19
82.0 50 22 28 8
81.5 49 12 46 20
81.0 33 6 22 8
80.5 81 31 55 18
80.0 46 8 44 5
79.5 61 17 45 15
79.0 48 11 45 12
78.5 44 22 28 20
78.0 85 23 47 15
77.5 47 15 32 8
77.0 96 47 42 14
76.5 43 15 41 12
76.0 60 25 38 8
75.5 54 23 32 10
75.0 50 16 43 9
74.5 91 31 40 15
74.0 53 8 46 4
73.5 62 24 57 12
73.0 51 13 28 14
72.5 52 19 44 12
72.0 82 26 59 17
71.5 52 18 46 8
71.0 71 37 49 15
70.5 50 13 34 10
70.0 67 23 41 9
69.5 53 22 47 9
69.0 58 14 41 8
68.5 58 19 41 9
68.0 48 14 32 5
67.5 60 21 40 13
67.0 51 17 46 3
66.5 54 9 39 12
66.0 66 31 62 16
65.5 67 16 36 8
65.0 67 20 40 7
64.5 46 8 40 4
64.0 40 11 50 6
63.5 43 11 49 7
63.0 44 7 45 9
62.5 50 19 41 3
62.0 44 6 32 8
61.5 38 8 32 6
61.0 34 3 29 3
60.5 42 4 33 8
60.0 36 13 56 9
59.5 36 5 36 6
59.0 41 12 31 3
58.5 40 11 21 3
58.0 29 6 31 3
57.5 25 7 25 2
57.0 26 5 24 1
56.5 30 8 38 5
56.0 25 5 33 5
55.5 19 10 26 3
55.0 30 6 16 6
54.5 21 3 13 5
54.0 29 9 31 7
53.5 19 7 11 4
53.0 22 6 24 1
52.5 16 2 18 2
52.0 15 0 17 1
51.5 16 6 15 4
51.0 13 3 16 1
50.5 13 3 10 4
50.0 9 7 15 4
49.5 15 2 14 0
49.0 14 4 17 1
48.5 11 0 13 1
48.0 23 5 33 5
47.5 12 7 10 1
47.0 9 1 17 1
46.5 6 1 3 0
46.0 5 3 9 1
45.5 15 1 4 1
45.0 8 2 4 1
44.5 6 2 6 1
44.0 7 2 0 0
43.5 6 3 7 2
43.0 10 0 7 1
42.5 9 3 3 0
42.0 21 7 22 3
41.5 6 2 5 1
41.0 6 1 5 2
40.5 7 2 6 0
40.0 4 1 2 0
39.5 2 0 1 0
39.0 6 2 3 0
38.5 1 1 5 3
38.0 5 1 3 2
37.5 2 1 0 0
37.0 1 0 1 0
36.5 4 0 2 0
36.0 9 3 13 5
35.5 0 1 5 2
35.0 2 0 1 1
34.5 0 1 0 0
34.0 2 1 4 2
33.5 3 0 1 0
33.0 2 0 2 0
32.5 2 0 1 0
32.0 1 0 1 0
31.5 4 0 2 0
31.0 0 0 0 0
30.5 2 0 0 0
30.0 9 0 6 0
29.5 3 0 3 1
29.0 0 0 3 0
28.5 1 0 1 0
28.0 1 0 1 1
27.5 0 0 0 0
27.0 0 1 0 0
26.5 0 0 0 1
26.0 0 0 0 0
25.5 2 0 1 0
25.0 0 0 0 0
24.5 0 1 0 0
24.0 3 1 6 1
23.5 1 0 0 0
23.0 0 0 1 0
22.5 0 0 0 0
22.0 0 0 1 0
21.5 0 0 0 0
21.0 0 0 2 0
20.5 0 0 0 0
20.0 0 0 0 0
19.5 0 0 0 1
19.0 0 0 0 0
18.5 0 0 0 0
18.0 1 0 4 0
17.5 0 0 0 0
17.0 0 0 0 0
16.5 0 0 0 0
16.0 0 0 0 0
15.5 0 0 0 0
15.0 0 0 0 0
14.5 0 0 0 0
14.0 0 0 0 0
13.5 0 0 0 0
13.0 0 0 0 0
12.5 0 0 0 0
12.0 0 0 1 0
11.5 0 0 0 0
11.0 0 0 0 0
10.5 0 0 0 0
10.0 0 0 0 0
9.5 0 0 0 0
9.0 0 0 0 0
8.5 0 0 0 0
8.0 0 0 0 0
7.5 0 0 0 0
7.0 0 0 0 0
6.5 0 0 0 0
6.0 0 0 0 0
5.5 0 0 0 0
5.0 0 0 0 0
4.5 0 0 0 0
4.0 0 0 0 0
3.5 0 0 0 0
3.0 0 0 0 0
2.5 0 0 0 0
2.0 0 0 0 0
1.5 0 0 0 0
1.0 0 0 0 0
0.5 0 0 0 0
0 0 0 0
American Mathematics Competitions
2003 AMC 10 A Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 0 0 125.0 2 0 100.0 3 2
149.5 0 0 124.5 0 0 99.5 6 5
149.0 0 0 124.0 3 0 99.0 17 7
148.5 0 0 123.5 0 0 98.5 7 3
148.0 0 0 123.0 0 0 98.0 14 7
147.5 0 0 122.5 1 0 97.5 5 7
147.0 0 0 122.0 2 1 97.0 24 8
146.5 0 1 121.5 3 0 96.5 4 0
146.0 0 0 121.0 0 0 96.0 14 7
145.5 0 0 120.5 3 1 95.5 16 12
145.0 0 0 120.0 2 0 95.0 9 6
144.5 0 0 119.5 5 2 94.5 24 10
144.0 0 0 119.0 2 0 94.0 8 1
143.5 0 0 118.5 0 0 93.5 11 11
143.0 0 0 118.0 7 1 93.0 17 3
142.5 0 0 117.5 0 0 92.5 11 4
142.0 0 0 117.0 8 2 92.0 25 11
141.5 0 0 116.5 0 0 91.5 11 4
141.0 0 0 116.0 4 0 91.0 19 14
140.5 0 0 115.5 1 1 90.5 11 4
140.0 0 0 115.0 2 0 90.0 22 12
139.5 0 0 114.5 4 1 89.5 11 8
139.0 0 0 114.0 0 0 89.0 17 8
138.5 0 0 113.5 10 3 88.5 17 6
138.0 1 0 113.0 2 0 88.0 12 4
137.5 0 0 112.5 10 0 87.5 29 27
137.0 0 0 112.0 2 1 87.0 9 7
136.5 0 0 111.5 0 0 86.5 19 18
136.0 0 0 111.0 5 2 86.0 17 13
135.5 0 0 110.5 0 0 85.5 16 11
135.0 0 0 110.0 9 3 85.0 22 13
134.5 0 0 109.5 0 1 84.5 7 11
134.0 0 0 109.0 2 5 84.0 36 18
133.5 1 0 108.5 6 2 83.5 15 9
133.0 0 0 108.0 2 0 83.0 18 18
132.5 2 1 107.5 12 4 82.5 17 16
132.0 0 0 107.0 1 0 82.0 16 11
131.5 0 0 106.5 11 5 81.5 31 15
131.0 0 1 106.0 6 3 81.0 12 10
130.5 0 0 105.5 5 1 80.5 29 25
130.0 2 1 105.0 9 4 80.0 22 21
129.5 0 0 104.5 2 2 79.5 24 19
129.0 0 2 104.0 17 9 79.0 22 23
128.5 1 0 103.5 2 0 78.5 14 10
128.0 0 0 103.0 12 4 78.0 30 15
127.5 0 0 102.5 9 2 77.5 21 9
127.0 0 0 102.0 8 4 77.0 18 20
126.5 2 0 101.5 14 9 76.5 18 21
126.0 0 0 101.0 2 0 76.0 21 15
125.5 1 1 100.5 11 10 75.5 15 17
American Mathematics Competitions
2003 AMC 10 A Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 20 22 50.0 6 9 25.0 0 0
74.5 12 25 49.5 4 10 24.5 0 0
74.0 21 22 49.0 8 9 24.0 2 3
73.5 25 31 48.5 7 5 23.5 0 0
73.0 11 16 48.0 14 16 23.0 1 0
72.5 22 20 47.5 7 3 22.5 0 0
72.0 37 20 47.0 5 11 22.0 0 1
71.5 23 23 46.5 3 0 21.5 0 0
71.0 31 16 46.0 6 2 21.0 1 1
70.5 18 14 45.5 0 3 20.5 0 0
70.0 15 24 45.0 3 1 20.0 0 0
69.5 22 24 44.5 3 1 19.5 0 0
69.0 12 27 44.0 0 0 19.0 0 0
68.5 18 23 43.5 2 4 18.5 0 0
68.0 10 20 43.0 2 5 18.0 0 4
67.5 13 25 42.5 1 2 17.5 0 0
67.0 20 24 42.0 5 14 17.0 0 0
66.5 15 20 41.5 3 2 16.5 0 0
66.0 30 30 41.0 2 3 16.0 0 0
65.5 18 17 40.5 2 4 15.5 0 0
65.0 22 18 40.0 0 1 15.0 0 0
64.5 17 20 39.5 1 0 14.5 0 0
64.0 22 24 39.0 2 1 14.0 0 0
63.5 21 25 38.5 2 3 13.5 0 0
63.0 23 21 38.0 0 3 13.0 0 0
62.5 19 19 37.5 0 0 12.5 0 0
62.0 12 19 37.0 1 0 12.0 1 0
61.5 17 15 36.5 1 1 11.5 0 0
61.0 11 15 36.0 7 6 11.0 0 0
60.5 13 16 35.5 1 4 10.5 0 0
60.0 24 30 35.0 1 0 10.0 0 0
59.5 14 21 34.5 0 0 9.5 0 0
59.0 20 10 34.0 1 3 9.0 0 0
58.5 11 8 33.5 0 1 8.5 0 0
58.0 13 16 33.0 2 0 8.0 0 0
57.5 10 14 32.5 0 1 7.5 0 0
57.0 10 12 32.0 1 0 7.0 0 0
56.5 16 20 31.5 1 1 6.5 0 0
56.0 17 15 31.0 0 0 6.0 0 0
55.5 12 13 30.5 0 0 5.5 0 0
55.0 6 9 30.0 1 3 5.0 0 0
54.5 4 8 29.5 1 2 4.5 0 0
54.0 17 13 29.0 3 0 4.0 0 0
53.5 4 5 28.5 1 0 3.5 0 0
53.0 8 15 28.0 1 0 3.0 0 0
52.5 8 7 27.5 0 0 2.5 0 0
52.0 7 6 27.0 0 0 2.0 0 0
51.5 9 5 26.5 0 0 1.5 0 0
51.0 7 7 26.0 0 0 1.0 0 0
50.5 2 8 25.5 1 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 10 A Results for Illinois
SCORE DISTRIBUTION
score -----------grade-----------
5 6 7 8 9 10 unknown
---------------------------
150.0 0 0 0 0 0 0 0
149.5 0 0 0 0 0 0 0
149.0 0 0 0 0 0 0 0
148.5 0 0 0 0 0 0 0
148.0 0 0 0 0 0 0 0
147.5 0 0 0 0 0 0 0
147.0 0 0 0 0 0 0 0
146.5 0 0 0 0 0 1 0
146.0 0 0 0 0 0 0 0
145.5 0 0 0 0 0 0 0
145.0 0 0 0 0 0 0 0
144.5 0 0 0 0 0 0 0
144.0 0 0 0 0 0 0 0
143.5 0 0 0 0 0 0 0
143.0 0 0 0 0 0 0 0
142.5 0 0 0 0 0 0 0
142.0 0 0 0 0 0 0 0
141.5 0 0 0 0 0 0 0
141.0 0 0 0 0 0 0 0
140.5 0 0 0 0 0 0 0
140.0 0 0 0 0 0 0 0
139.5 0 0 0 0 0 0 0
139.0 0 0 0 0 0 0 0
138.5 0 0 0 0 0 0 0
138.0 0 0 0 0 0 1 0
137.5 0 0 0 0 0 0 0
137.0 0 0 0 0 0 0 0
136.5 0 0 0 0 0 0 0
136.0 0 0 0 0 0 0 0
135.5 0 0 0 0 0 0 0
135.0 0 0 0 0 0 0 0
134.5 0 0 0 0 0 0 0
134.0 0 0 0 0 0 0 0
133.5 0 0 0 0 0 1 0
133.0 0 0 0 0 0 0 0
132.5 0 0 0 1 0 2 0
132.0 0 0 0 0 0 0 0
131.5 0 0 0 0 0 0 0
131.0 0 0 0 0 0 1 0
130.5 0 0 0 0 0 0 0
130.0 0 0 0 0 2 1 0
129.5 0 0 0 0 0 0 0
129.0 0 0 0 0 0 2 0
128.5 0 0 0 0 0 1 0
128.0 0 0 0 0 0 0 0
127.5 0 0 0 0 0 1 0
127.0 0 0 0 0 0 0 0
126.5 0 0 0 1 0 1 0
126.0 0 0 0 0 0 0 0
125.5 0 0 0 0 1 1 0
125.0 0 0 0 0 0 2 0
124.5 0 0 0 0 0 0 0
124.0 0 0 0 0 0 3 0
123.5 0 0 0 0 0 0 0
123.0 0 0 0 0 0 0 0
122.5 0 0 0 0 0 1 0
122.0 0 0 0 0 2 1 0
121.5 0 0 0 0 1 2 0
121.0 0 0 0 0 0 0 0
120.5 0 0 0 0 0 4 0
120.0 0 0 0 0 0 2 0
119.5 0 0 0 0 2 5 1
119.0 0 0 0 0 0 2 0
118.5 0 0 0 0 0 0 0
118.0 0 0 1 0 2 5 0
117.5 0 0 0 0 0 0 0
117.0 0 0 0 2 2 6 0
116.5 0 0 0 0 0 0 0
116.0 0 0 0 0 0 4 0
115.5 0 0 0 0 1 1 0
115.0 0 0 0 1 0 2 0
114.5 0 0 0 0 0 4 1
114.0 0 0 0 0 0 0 0
113.5 0 0 0 2 4 7 0
113.0 0 0 0 0 0 2 0
112.5 0 0 0 0 6 4 0
112.0 0 0 0 0 0 3 0
111.5 0 0 0 0 0 0 0
111.0 0 0 1 1 1 4 0
110.5 0 0 0 0 0 0 0
110.0 0 0 1 0 5 6 0
109.5 0 0 0 0 1 0 0
109.0 0 0 0 2 1 4 0
108.5 0 0 1 0 2 5 0
108.0 0 0 0 0 1 1 0
107.5 0 0 0 0 6 10 0
107.0 0 0 0 0 1 2 0
106.5 0 0 0 1 7 8 0
106.0 0 0 0 1 2 6 0
105.5 0 0 0 0 2 4 0
105.0 0 0 0 1 3 11 0
104.5 0 0 0 0 2 2 0
104.0 0 0 0 0 8 20 0
103.5 0 0 0 0 0 2 0
103.0 0 0 0 0 7 10 0
102.5 0 1 0 1 4 5 0
102.0 0 0 0 1 4 7 0
101.5 0 0 0 2 10 12 0
101.0 0 0 0 0 1 1 0
100.5 0 0 0 0 7 16 0
100.0 0 0 1 0 2 2 0
99.5 0 0 0 0 8 5 1
99.0 0 0 0 1 9 14 0
98.5 0 0 0 0 2 8 0
98.0 0 0 0 0 8 12 1
97.5 0 0 0 0 6 6 0
97.0 0 0 0 0 14 18 0
96.5 0 0 0 0 2 2 0
96.0 0 0 0 0 7 17 1
95.5 0 0 0 1 12 15 2
95.0 0 0 0 0 9 7 0
94.5 0 0 0 0 8 26 0
94.0 0 0 0 1 7 2 1
93.5 0 0 0 0 11 12 0
93.0 0 0 1 0 9 12 0
92.5 0 0 0 0 9 7 1
92.0 0 0 0 0 9 27 2
91.5 0 0 0 0 8 7 0
91.0 0 0 0 1 17 16 0
90.5 0 0 1 1 6 8 1
90.0 0 1 0 0 17 18 0
89.5 0 0 0 1 10 9 0
89.0 0 0 0 0 14 15 0
88.5 0 0 0 1 7 15 0
88.0 0 0 0 0 8 8 0
87.5 0 0 0 2 19 36 1
87.0 0 0 0 0 13 5 0
86.5 0 0 0 2 13 21 1
86.0 0 0 0 1 14 16 1
85.5 0 0 0 0 19 10 0
85.0 0 0 0 0 12 24 0
84.5 0 0 0 0 9 10 0
84.0 0 0 0 1 29 24 1
83.5 0 1 0 1 11 12 1
83.0 0 0 0 1 16 21 0
82.5 0 0 0 0 14 22 0
82.0 0 0 0 1 9 17 1
81.5 0 0 1 0 10 35 0
81.0 0 0 0 0 8 14 0
80.5 0 1 0 1 28 23 2
80.0 0 0 1 2 12 29 0
79.5 0 0 1 0 19 24 1
79.0 0 0 0 2 21 22 0
78.5 0 0 0 0 13 13 2
78.0 0 0 0 0 28 19 0
77.5 0 0 0 0 16 16 0
77.0 0 0 0 0 18 24 0
76.5 0 0 1 2 17 20 1
76.0 0 0 1 0 15 21 1
75.5 0 0 0 0 13 19 0
75.0 0 0 0 0 25 17 1
74.5 0 0 0 0 15 23 2
74.0 0 0 0 0 20 26 0
73.5 0 0 0 0 26 31 0
73.0 0 0 0 1 11 15 1
72.5 0 0 0 0 21 23 0
72.0 0 0 0 1 29 28 1
71.5 0 0 0 0 22 24 0
71.0 0 0 1 1 19 28 0
70.5 0 0 0 0 20 14 0
70.0 0 0 0 1 21 19 0
69.5 0 0 0 0 24 23 0
69.0 0 0 0 0 23 17 1
68.5 0 0 0 0 18 22 1
68.0 0 0 0 2 15 15 0
67.5 0 0 1 1 22 16 0
67.0 0 0 0 0 29 16 1
66.5 0 0 0 0 24 14 1
66.0 0 0 0 1 26 35 0
65.5 0 0 0 0 15 21 0
65.0 0 0 0 2 18 19 1
64.5 0 0 0 1 17 22 0
64.0 0 0 0 0 26 23 1
63.5 0 1 0 0 25 22 1
63.0 0 0 0 1 21 22 1
62.5 0 0 0 0 21 17 3
62.0 0 0 0 0 16 16 0
61.5 0 0 0 0 18 14 0
61.0 0 0 1 0 16 10 2
60.5 0 0 0 1 17 14 1
60.0 0 0 0 0 37 18 1
59.5 0 0 0 0 21 15 0
59.0 0 0 0 0 18 13 0
58.5 0 0 0 0 11 10 0
58.0 0 0 0 0 18 13 0
57.5 0 0 0 0 17 8 0
57.0 0 0 0 0 13 11 0
56.5 0 0 0 0 26 10 2
56.0 0 0 0 0 21 11 1
55.5 0 0 0 0 14 11 1
55.0 0 0 1 0 13 2 0
54.5 0 0 0 0 7 6 0
54.0 0 0 0 0 19 11 1
53.5 0 0 0 0 7 4 0
53.0 0 0 0 0 11 13 0
52.5 0 0 0 0 11 6 1
52.0 0 0 0 0 8 8 1
51.5 0 0 0 0 10 4 1
51.0 0 0 0 0 10 5 1
50.5 0 0 0 0 8 2 0
50.0 0 0 0 0 10 4 1
49.5 0 0 0 0 8 5 1
49.0 0 0 0 0 7 10 0
48.5 0 0 0 0 8 4 1
48.0 0 0 0 0 20 12 1
47.5 0 0 0 0 10 0 0
47.0 0 0 0 0 14 3 0
46.5 0 0 0 0 3 0 0
46.0 0 0 0 0 6 3 0
45.5 0 0 0 0 4 0 0
45.0 0 0 0 0 3 1 0
44.5 0 0 0 0 4 2 0
44.0 0 0 0 0 0 0 0
43.5 0 0 0 0 4 3 0
43.0 0 0 0 0 6 1 0
42.5 0 0 0 0 2 1 0
42.0 0 0 0 0 17 5 0
41.5 0 0 0 0 2 3 0
41.0 0 0 0 0 3 2 0
40.5 0 0 0 0 3 3 0
40.0 0 0 0 0 1 1 0
39.5 0 0 0 0 1 0 0
39.0 0 0 0 0 2 1 0
38.5 0 0 0 0 4 1 0
38.0 0 0 0 0 2 1 0
37.5 0 0 0 0 0 0 0
37.0 0 0 0 0 1 0 0
36.5 0 0 0 0 1 1 0
36.0 0 0 0 0 8 5 0
35.5 0 0 0 0 5 0 0
35.0 0 0 0 0 0 1 0
34.5 0 0 0 0 0 0 0
34.0 0 0 0 0 2 2 0
33.5 0 0 0 0 1 0 0
33.0 0 0 0 0 1 1 0
32.5 0 0 0 0 1 0 0
32.0 0 0 0 0 1 0 0
31.5 0 0 0 0 1 1 0
31.0 0 0 0 0 0 0 0
30.5 0 0 0 0 0 0 0
30.0 0 0 0 1 5 0 0
29.5 0 0 0 0 2 1 0
29.0 0 0 0 0 1 2 0
28.5 0 0 0 0 0 1 0
28.0 0 0 0 0 1 0 0
27.5 0 0 0 0 0 0 0
27.0 0 0 0 0 0 0 0
26.5 0 0 0 0 0 0 0
26.0 0 0 0 0 0 0 0
25.5 0 0 0 0 0 1 0
25.0 0 0 0 0 0 0 0
24.5 0 0 0 0 0 0 0
24.0 0 0 0 0 4 2 0
23.5 0 0 0 0 0 0 0
23.0 0 0 0 0 1 0 0
22.5 0 0 0 0 0 0 0
22.0 0 0 0 0 1 0 0
21.5 0 0 0 0 0 0 0
21.0 0 0 0 0 2 0 0
20.5 0 0 0 0 0 0 0
20.0 0 0 0 0 0 0 0
19.5 0 0 0 0 0 0 0
19.0 0 0 0 0 0 0 0
18.5 0 0 0 0 0 0 0
18.0 0 0 0 0 2 0 2
17.5 0 0 0 0 0 0 0
17.0 0 0 0 0 0 0 0
16.5 0 0 0 0 0 0 0
16.0 0 0 0 0 0 0 0
15.5 0 0 0 0 0 0 0
15.0 0 0 0 0 0 0 0
14.5 0 0 0 0 0 0 0
14.0 0 0 0 0 0 0 0
13.5 0 0 0 0 0 0 0
13.0 0 0 0 0 0 0 0
12.5 0 0 0 0 0 0 0
12.0 0 0 0 0 1 0 0
11.5 0 0 0 0 0 0 0
11.0 0 0 0 0 0 0 0
10.5 0 0 0 0 0 0 0
10.0 0 0 0 0 0 0 0
9.5 0 0 0 0 0 0 0
9.0 0 0 0 0 0 0 0
8.5 0 0 0 0 0 0 0
8.0 0 0 0 0 0 0 0
7.5 0 0 0 0 0 0 0
7.0 0 0 0 0 0 0 0
6.5 0 0 0 0 0 0 0
6.0 0 0 0 0 0 0 0
5.5 0 0 0 0 0 0 0
5.0 0 0 0 0 0 0 0
4.5 0 0 0 0 0 0 0
4.0 0 0 0 0 0 0 0
3.5 0 0 0 0 0 0 0
3.0 0 0 0 0 0 0 0
2.5 0 0 0 0 0 0 0
2.0 0 0 0 0 0 0 0
1.5 0 0 0 0 0 0 0
1.0 0 0 0 0 0 0 0
0.5 0 0 0 0 0 0 0
0 0 0 0 0 0 0
American Mathematics Competitions
2003 AMC 10 A Results for Illinois
Analysis
Table of Item Difficulty for the 2003
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.55 2.10 0.72 4.11* 0.40 2.11 0.01
2 0.02 8.59* 0.13 0.85 0.05 0.36 0.00
3 0.46 2.31 0.40 3.83* 0.32 2.68 0.00
4 4.27* 0.16 0.25 3.35 0.09 1.87 0.00
5 0.68 5.98* 0.18 0.07 0.09 3.00 0.00
6 1.38 1.75 2.65* 0.54 0.73 2.95 0.00
7 1.29 2.29* 0.98 1.74 0.40 3.30 0.00
8 0.97 0.37 0.28 0.25 6.94* 1.19 0.00
9 1.93* 0.51 1.49 1.52 0.09 4.46 0.00
10 0.61 0.40 0.80 1.16 3.82* 3.22 0.00
11 0.23 0.14 0.14 0.20 6.39* 2.90 0.00
12 2.79* 2.58 0.25 0.87 0.78 2.73 0.00
13 5.81* 0.26 0.32 0.18 0.04 3.39 0.00
14 1.63* 1.19 0.40 0.81 0.98 5.00 0.00
15 0.61 1.69 4.30* 0.46 0.69 2.24 0.00
16 0.70 0.84 2.34* 0.21 0.60 5.32 0.00
17 0.42 0.87* 0.27 0.21 0.35 7.86 0.00
18 0.56 0.55* 0.19 0.68 0.77 7.26 0.00
19 0.31 0.35 0.42* 0.18 0.18 8.56 0.00
20 0.43 0.25 0.28 0.31 0.44* 8.29 0.00
21 0.60 0.48 1.02 1.96* 2.20 3.74 0.00
22 0.75 2.17* 0.53 0.20 0.09 6.25 0.00
23 0.29 0.26 0.71* 0.56 0.64 7.55 0.00
24 0.13 0.38 0.63 0.61 4.41* 3.84 0.00
25 0.21 0.42* 0.29 0.16 0.21 8.72 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
American Mathematics Competitions
2003 AMC 12 A Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 5 0 125.0 4 1 100.0 4 1
149.5 0 0 124.5 0 0 99.5 37 14
149.0 0 0 124.0 2 0 99.0 11 1
148.5 0 0 123.5 0 0 98.5 27 12
148.0 0 0 123.0 3 1 98.0 28 17
147.5 0 0 122.5 1 0 97.5 5 3
147.0 0 0 122.0 6 2 97.0 39 16
146.5 0 0 121.5 3 0 96.5 8 1
146.0 0 0 121.0 0 0 96.0 53 20
145.5 0 0 120.5 6 2 95.5 19 4
145.0 0 0 120.0 2 0 95.0 42 23
144.5 0 0 119.5 4 0 94.5 35 15
144.0 3 0 119.0 2 0 94.0 17 5
143.5 0 0 118.5 6 3 93.5 37 26
143.0 0 0 118.0 5 0 93.0 13 4
142.5 0 0 117.5 0 0 92.5 43 21
142.0 0 0 117.0 14 3 92.0 24 19
141.5 0 0 116.5 0 0 91.5 14 11
141.0 0 0 116.0 8 3 91.0 38 22
140.5 1 0 115.5 3 0 90.5 8 7
140.0 0 0 115.0 14 4 90.0 44 31
139.5 1 0 114.5 7 0 89.5 29 4
139.0 0 0 114.0 0 0 89.0 56 28
138.5 0 0 113.5 12 7 88.5 35 17
138.0 3 0 113.0 3 1 88.0 13 13
137.5 0 0 112.5 18 4 87.5 31 27
137.0 2 0 112.0 11 1 87.0 13 11
136.5 0 0 111.5 11 3 86.5 49 28
136.0 1 0 111.0 12 1 86.0 19 20
135.5 0 0 110.5 2 0 85.5 28 18
135.0 0 0 110.0 22 8 85.0 39 18
134.5 1 0 109.5 3 2 84.5 22 23
134.0 0 0 109.0 25 5 84.0 68 40
133.5 1 1 108.5 9 3 83.5 20 13
133.0 0 0 108.0 19 5 83.0 60 54
132.5 0 1 107.5 21 5 82.5 34 17
132.0 1 0 107.0 1 0 82.0 22 27
131.5 0 0 106.5 24 12 81.5 25 22
131.0 2 0 106.0 10 0 81.0 16 16
130.5 0 0 105.5 27 11 80.5 40 40
130.0 1 0 105.0 14 3 80.0 24 22
129.5 0 0 104.5 13 6 79.5 22 36
129.0 2 1 104.0 21 9 79.0 27 17
128.5 1 0 103.5 5 1 78.5 26 16
128.0 0 0 103.0 32 19 78.0 45 39
127.5 0 0 102.5 8 2 77.5 26 21
127.0 0 0 102.0 21 17 77.0 41 49
126.5 0 0 101.5 22 6 76.5 20 22
126.0 2 0 101.0 13 7 76.0 29 31
125.5 2 0 100.5 37 13 75.5 23 30
American Mathematics Competitions
2003 AMC 12 A Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 27 22 50.0 2 5 25.0 0 0
74.5 45 42 49.5 3 10 24.5 0 0
74.0 24 29 49.0 6 7 24.0 0 3
73.5 26 34 48.5 6 4 23.5 0 1
73.0 23 27 48.0 8 15 23.0 0 0
72.5 18 29 47.5 4 8 22.5 0 0
72.0 39 41 47.0 5 4 22.0 0 0
71.5 27 20 46.5 4 1 21.5 0 0
71.0 33 32 46.0 2 3 21.0 0 0
70.5 19 28 45.5 6 9 20.5 0 0
70.0 26 38 45.0 1 6 20.0 0 0
69.5 29 23 44.5 2 4 19.5 0 0
69.0 25 31 44.0 3 4 19.0 0 0
68.5 28 26 43.5 3 3 18.5 0 0
68.0 19 27 43.0 6 4 18.0 1 0
67.5 26 32 42.5 5 4 17.5 0 0
67.0 16 32 42.0 10 7 17.0 0 0
66.5 19 32 41.5 2 4 16.5 0 0
66.0 40 24 41.0 2 4 16.0 0 0
65.5 24 40 40.5 1 5 15.5 0 0
65.0 32 35 40.0 0 4 15.0 0 0
64.5 15 24 39.5 0 2 14.5 0 0
64.0 18 19 39.0 2 4 14.0 0 0
63.5 14 26 38.5 0 1 13.5 0 0
63.0 17 26 38.0 2 3 13.0 0 0
62.5 20 23 37.5 0 2 12.5 0 0
62.0 21 21 37.0 1 0 12.0 0 0
61.5 16 21 36.5 1 2 11.5 0 0
61.0 20 13 36.0 3 5 11.0 0 0
60.5 18 22 35.5 0 0 10.5 0 0
60.0 16 18 35.0 1 1 10.0 0 0
59.5 19 16 34.5 0 0 9.5 0 0
59.0 10 30 34.0 0 1 9.0 0 0
58.5 14 23 33.5 1 2 8.5 0 0
58.0 11 18 33.0 1 0 8.0 0 0
57.5 13 12 32.5 0 2 7.5 0 0
57.0 11 14 32.0 0 1 7.0 0 0
56.5 7 21 31.5 2 1 6.5 0 0
56.0 9 16 31.0 0 0 6.0 0 0
55.5 10 9 30.5 1 1 5.5 0 0
55.0 16 12 30.0 5 3 5.0 0 0
54.5 9 12 29.5 2 1 4.5 0 0
54.0 11 17 29.0 0 0 4.0 0 0
53.5 5 13 28.5 0 1 3.5 0 0
53.0 7 14 28.0 0 1 3.0 0 0
52.5 8 8 27.5 0 0 2.5 0 0
52.0 8 5 27.0 0 0 2.0 0 0
51.5 7 7 26.5 0 0 1.5 0 0
51.0 0 11 26.0 0 0 1.0 0 0
50.5 8 5 25.5 0 2 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 A Results for Illinois
SCORE DISTRIBUTION
score -----------grade-----------
5 6 7 8 9 10 11 12 13 unknown
---------------------------
150.0 0 0 0 0 1 1 1 2 0 0
149.5 0 0 0 0 0 0 0 0 0 0
149.0 0 0 0 0 0 0 0 0 0 0
148.5 0 0 0 0 0 0 0 0 0 0
148.0 0 0 0 0 0 0 0 0 0 0
147.5 0 0 0 0 0 0 0 0 0 0
147.0 0 0 0 0 0 0 0 0 0 0
146.5 0 0 0 0 0 0 0 0 0 0
146.0 0 0 0 0 0 0 0 0 0 0
145.5 0 0 0 0 0 0 0 0 0 0
145.0 0 0 0 0 0 0 0 0 0 0
144.5 0 0 0 0 0 0 0 0 0 0
144.0 0 0 0 0 0 0 2 1 0 0
143.5 0 0 0 0 0 0 0 0 0 0
143.0 0 0 0 0 0 0 0 0 0 0
142.5 0 0 0 0 0 0 0 0 0 0
142.0 0 0 0 0 0 0 0 0 0 0
141.5 0 0 0 0 0 0 0 0 0 0
141.0 0 0 0 0 0 0 0 0 0 0
140.5 0 0 0 0 0 0 1 0 0 0
140.0 0 0 0 0 0 0 0 0 0 0
139.5 0 0 0 0 0 1 0 0 0 0
139.0 0 0 0 0 0 0 0 0 0 0
138.5 0 0 0 0 0 0 0 0 0 0
138.0 0 0 0 0 0 0 1 2 0 0
137.5 0 0 0 0 0 0 0 0 0 0
137.0 0 0 0 0 1 0 1 0 0 0
136.5 0 0 0 0 0 0 0 0 0 0
136.0 0 0 0 0 0 0 0 1 0 0
135.5 0 0 0 0 0 0 0 0 0 0
135.0 0 0 0 0 0 0 0 0 0 0
134.5 0 0 0 0 0 1 0 0 0 0
134.0 0 0 0 0 0 0 0 0 0 0
133.5 0 0 0 0 0 1 1 0 0 0
133.0 0 0 0 0 0 0 0 0 0 0
132.5 0 0 0 0 0 0 1 0 0 0
132.0 0 0 0 0 0 0 0 0 0 1
131.5 0 0 0 0 0 0 0 0 0 0
131.0 0 0 0 0 0 1 0 1 0 0
130.5 0 0 0 0 0 0 0 0 0 0
130.0 0 0 0 0 0 1 0 0 0 0
129.5 0 0 0 0 0 0 0 0 0 0
129.0 0 0 0 0 0 0 2 1 0 0
128.5 0 0 0 0 0 1 0 0 0 0
128.0 0 0 0 0 0 0 0 0 0 0
127.5 0 0 0 0 0 0 0 0 0 0
127.0 0 0 0 0 0 0 0 0 0 0
126.5 0 0 0 0 0 0 0 0 0 0
126.0 0 0 0 0 0 0 1 1 0 0
125.5 0 0 0 0 0 0 0 2 0 0
125.0 0 0 0 0 0 1 0 4 0 0
124.5 0 0 0 0 0 0 0 0 0 0
124.0 0 0 0 0 0 0 1 1 0 0
123.5 0 0 0 0 0 0 0 0 0 0
123.0 0 0 0 0 0 0 1 3 0 0
122.5 0 0 0 0 0 0 1 0 0 0
122.0 0 0 0 0 0 2 4 3 0 0
121.5 0 0 0 0 0 0 1 2 0 0
121.0 0 0 0 0 0 0 0 0 0 0
120.5 0 0 0 0 0 2 2 4 0 0
120.0 0 0 0 0 0 0 0 2 0 0
119.5 0 0 0 0 0 1 2 1 0 0
119.0 0 0 0 0 0 0 0 2 0 0
118.5 0 0 0 0 0 1 3 5 0 0
118.0 0 0 0 0 0 0 3 2 0 0
117.5 0 0 0 0 0 0 0 0 0 0
117.0 0 0 0 0 0 1 7 9 0 0
116.5 0 0 0 0 0 0 0 0 0 0
116.0 0 0 0 0 0 1 2 8 0 0
115.5 0 0 0 0 0 0 0 3 0 0
115.0 0 0 0 0 1 1 9 7 0 0
114.5 0 0 0 0 0 0 4 3 0 0
114.0 0 0 0 0 0 0 0 0 0 0
113.5 0 0 0 0 0 2 8 9 0 0
113.0 0 0 0 0 0 0 3 1 0 0
112.5 0 0 0 0 0 1 11 11 0 0
112.0 0 0 0 0 0 2 5 6 0 0
111.5 0 0 0 0 0 1 8 5 0 0
111.0 0 0 0 0 0 2 7 5 0 0
110.5 0 0 0 0 0 0 1 1 0 0
110.0 0 0 0 0 0 1 8 21 0 0
109.5 0 0 0 0 0 0 3 2 0 0
109.0 0 0 0 0 1 1 12 16 0 0
108.5 0 0 0 0 0 0 7 5 0 0
108.0 0 0 0 0 1 0 7 16 0 0
107.5 0 0 0 0 1 1 10 14 0 0
107.0 0 0 0 0 0 0 1 0 0 0
106.5 0 0 0 0 0 1 18 17 0 0
106.0 0 0 0 0 1 0 5 4 0 0
105.5 0 0 0 0 0 4 14 21 0 0
105.0 0 0 0 0 1 4 4 9 0 0
104.5 0 0 0 0 0 1 9 9 0 0
104.0 0 0 0 0 1 3 20 7 0 0
103.5 0 0 0 0 0 1 3 2 0 0
103.0 0 0 0 1 0 5 25 20 0 0
102.5 0 0 0 0 1 0 2 7 0 0
102.0 0 0 0 0 1 3 10 24 0 1
101.5 0 0 0 0 1 1 8 18 0 0
101.0 0 0 0 0 0 2 8 10 0 0
100.5 0 0 0 0 0 4 19 28 0 0
100.0 0 0 0 0 1 1 1 2 0 0
99.5 0 0 0 0 1 3 25 23 0 1
99.0 0 0 0 0 0 1 5 7 0 0
98.5 0 0 0 0 1 3 16 20 0 0
98.0 0 0 0 0 1 5 22 17 0 1
97.5 0 0 0 0 0 1 6 2 0 0
97.0 0 0 0 0 0 4 21 33 0 0
96.5 0 0 0 0 0 1 2 6 0 0
96.0 0 0 0 0 0 9 29 35 0 0
95.5 0 0 0 0 1 2 9 11 0 1
95.0 0 0 0 0 4 2 27 31 0 1
94.5 0 0 0 0 1 4 20 27 0 0
94.0 0 0 0 0 2 0 13 7 0 0
93.5 0 0 0 0 2 6 30 28 0 2
93.0 0 0 0 0 0 2 8 9 0 0
92.5 0 0 0 0 1 9 24 32 1 0
92.0 0 0 0 0 0 2 21 22 0 0
91.5 0 0 0 0 0 6 11 10 0 1
91.0 0 0 0 0 0 3 30 27 0 2
90.5 0 0 0 0 0 1 7 7 0 0
90.0 0 0 0 0 1 7 34 34 0 0
89.5 0 0 0 0 0 3 10 20 0 0
89.0 0 0 0 0 1 8 26 49 0 2
88.5 0 0 0 0 0 8 20 25 0 0
88.0 0 0 0 0 0 3 7 15 0 1
87.5 0 0 0 0 1 6 35 19 0 1
87.0 0 0 0 0 0 1 18 7 0 0
86.5 0 0 0 0 4 8 21 45 1 5
86.0 0 0 0 0 2 5 16 17 0 1
85.5 0 0 0 0 1 4 15 28 0 0
85.0 0 0 0 0 0 5 32 21 0 1
84.5 0 0 0 0 0 8 16 22 0 0
84.0 0 0 0 1 3 6 40 61 0 1
83.5 0 0 0 0 0 1 12 21 0 1
83.0 0 0 0 0 0 11 49 57 0 3
82.5 0 0 0 0 0 6 21 25 0 0
82.0 0 0 0 0 2 3 16 28 0 1
81.5 0 0 0 0 2 6 25 16 0 0
81.0 0 0 0 0 0 5 16 12 0 0
80.5 0 0 0 0 0 9 35 37 0 0
80.0 0 0 0 0 0 6 18 21 0 1
79.5 0 0 0 0 0 7 27 26 0 1
79.0 0 0 0 0 3 5 22 18 0 0
78.5 0 0 0 0 2 5 20 16 0 1
78.0 0 0 0 0 0 7 44 32 0 2
77.5 0 0 0 0 1 4 24 18 0 0
77.0 0 0 0 0 1 14 32 45 1 3
76.5 0 0 0 0 1 4 21 17 0 0
76.0 0 0 0 0 3 8 20 28 1 0
75.5 0 0 0 0 3 6 25 19 0 1
75.0 0 0 0 0 1 6 19 24 0 0
74.5 0 0 0 0 2 10 36 42 0 1
74.0 0 0 0 0 0 5 31 17 0 0
73.5 0 0 0 0 2 4 26 28 0 2
73.0 0 0 0 0 0 6 31 14 0 0
72.5 0 0 0 0 0 9 21 19 0 3
72.0 0 0 0 0 3 15 26 38 0 0
71.5 0 0 0 0 1 6 19 24 0 2
71.0 0 0 0 0 1 9 33 28 0 0
70.5 0 0 0 0 0 2 26 21 0 1
70.0 0 0 0 0 2 11 32 20 0 2
69.5 0 0 0 0 2 9 21 21 0 0
69.0 0 0 0 0 0 10 25 23 0 0
68.5 0 0 0 0 0 4 28 25 0 1
68.0 0 0 0 0 1 5 23 19 0 0
67.5 0 0 0 0 5 9 27 19 0 0
67.0 0 0 0 0 0 4 23 22 0 2
66.5 0 0 0 0 0 8 20 26 0 0
66.0 0 0 0 0 0 8 29 28 0 1
65.5 0 0 0 0 2 5 37 23 0 0
65.0 0 0 0 0 4 9 26 27 0 1
64.5 0 0 0 0 0 5 23 16 0 2
64.0 0 0 0 0 1 6 18 15 0 0
63.5 0 0 0 0 0 5 25 13 0 0
63.0 0 0 0 0 2 3 21 17 0 1
62.5 0 0 0 0 0 3 23 19 0 5
62.0 0 0 0 0 0 3 23 18 0 0
61.5 0 0 0 0 2 2 20 14 0 0
61.0 0 0 0 0 1 1 21 10 0 1
60.5 0 0 0 0 1 2 20 17 0 2
60.0 0 0 0 0 0 6 17 13 0 0
59.5 0 0 0 0 2 1 22 11 0 0
59.0 0 0 0 0 1 7 23 10 0 0
58.5 0 0 0 0 2 2 15 20 0 1
58.0 0 0 0 0 0 5 10 14 0 0
57.5 0 0 0 0 0 3 11 11 0 0
57.0 0 0 0 0 0 4 10 12 0 0
56.5 0 0 0 0 0 4 14 11 0 1
56.0 0 0 0 0 0 4 13 8 0 0
55.5 0 0 0 0 1 4 8 6 0 0
55.0 0 0 0 0 1 2 14 12 0 1
54.5 0 0 0 0 0 0 13 7 0 1
54.0 0 0 0 0 0 3 17 9 0 0
53.5 0 0 0 0 0 1 14 4 0 0
53.0 0 0 0 0 0 0 16 6 0 0
52.5 0 0 0 0 0 5 4 7 0 0
52.0 0 0 0 0 0 5 6 4 0 0
51.5 0 0 0 0 1 3 9 3 0 0
51.0 0 0 0 0 0 0 7 5 0 1
50.5 0 0 0 0 0 2 8 3 0 0
50.0 0 0 0 0 1 1 2 5 0 0
49.5 0 0 0 0 0 2 8 4 0 1
49.0 0 0 0 0 0 0 7 7 0 0
48.5 0 0 0 0 0 1 6 4 0 0
48.0 0 0 0 0 0 2 7 14 0 0
47.5 0 0 0 0 0 2 6 4 0 0
47.0 0 0 0 0 0 0 1 8 0 0
46.5 0 0 0 0 0 1 3 2 0 0
46.0 0 0 0 0 0 1 1 3 0 0
45.5 0 0 0 0 0 0 6 9 0 0
45.0 0 0 0 0 0 1 3 4 0 0
44.5 0 0 0 0 2 0 2 2 0 0
44.0 0 0 0 0 0 0 3 4 0 0
43.5 0 0 0 0 0 0 4 2 0 0
43.0 0 0 0 0 0 0 6 3 0 1
42.5 0 0 0 0 1 0 3 5 0 0
42.0 0 0 0 0 0 1 10 10 0 0
41.5 0 0 0 0 0 1 2 3 0 0
41.0 0 0 0 0 1 0 3 2 0 0
40.5 0 0 0 0 0 0 6 0 0 1
40.0 0 0 0 0 0 0 2 2 0 0
39.5 0 0 0 0 0 0 1 1 0 0
39.0 0 0 0 0 0 0 4 2 0 0
38.5 0 0 0 0 0 0 1 0 0 0
38.0 0 0 0 0 0 2 3 0 0 0
37.5 0 0 0 0 0 0 1 1 0 0
37.0 0 0 0 0 0 0 0 1 0 0
36.5 0 0 0 0 0 0 3 0 0 1
36.0 0 0 0 0 0 0 4 5 0 0
35.5 0 0 0 0 0 0 0 0 0 0
35.0 0 0 0 0 0 0 1 1 0 0
34.5 0 0 0 0 0 0 0 0 0 0
34.0 0 0 0 0 0 0 2 0 0 0
33.5 0 0 0 0 0 0 0 3 0 0
33.0 0 0 0 0 0 0 0 2 0 0
32.5 0 0 0 0 0 0 1 1 0 0
32.0 0 0 0 0 0 0 1 0 0 0
31.5 0 0 0 0 0 0 4 0 0 0
31.0 0 0 0 0 0 0 0 0 0 0
30.5 0 0 0 0 0 0 1 1 0 0
30.0 0 0 0 0 0 2 4 3 0 0
29.5 0 0 0 0 0 0 1 2 0 0
29.0 0 0 0 0 0 0 0 0 0 0
28.5 0 0 0 0 0 0 1 0 0 0
28.0 0 0 0 0 0 0 1 0 0 0
27.5 0 0 0 0 0 0 0 0 0 0
27.0 0 0 0 0 0 0 0 0 0 0
26.5 0 0 0 0 0 0 0 0 0 0
26.0 0 0 0 0 0 0 0 0 0 0
25.5 0 0 0 0 1 0 0 1 0 0
25.0 0 0 0 0 0 0 0 0 0 0
24.5 0 0 0 0 0 0 0 0 0 0
24.0 0 0 0 0 0 0 1 2 0 0
23.5 0 0 0 0 0 0 0 1 0 0
23.0 0 0 0 0 0 0 0 0 0 0
22.5 0 0 0 0 0 0 0 0 0 0
22.0 0 0 0 0 0 0 0 0 0 0
21.5 0 0 0 0 0 0 0 0 0 0
21.0 0 0 0 0 0 0 0 0 0 0
20.5 0 0 0 0 0 0 0 0 0 0
20.0 0 0 0 0 0 0 0 0 0 0
19.5 0 0 0 0 0 0 0 0 0 0
19.0 0 0 0 0 0 0 0 0 0 0
18.5 0 0 0 0 0 0 0 0 0 0
18.0 0 0 0 0 0 0 0 1 0 0
17.5 0 0 0 0 0 0 0 0 0 0
17.0 0 0 0 0 0 0 0 0 0 0
16.5 0 0 0 0 0 0 0 0 0 0
16.0 0 0 0 0 0 0 0 0 0 0
15.5 0 0 0 0 0 0 0 0 0 0
15.0 0 0 0 0 0 0 0 0 0 0
14.5 0 0 0 0 0 0 0 0 0 0
14.0 0 0 0 0 0 0 0 0 0 0
13.5 0 0 0 0 0 0 0 0 0 0
13.0 0 0 0 0 0 0 0 0 0 0
12.5 0 0 0 0 0 0 0 0 0 0
12.0 0 0 0 0 0 0 0 0 0 0
11.5 0 0 0 0 0 0 0 0 0 0
11.0 0 0 0 0 0 0 0 0 0 0
10.5 0 0 0 0 0 0 0 0 0 0
10.0 0 0 0 0 0 0 0 0 0 0
9.5 0 0 0 0 0 0 0 0 0 0
9.0 0 0 0 0 0 0 0 0 0 0
8.5 0 0 0 0 0 0 0 0 0 0
8.0 0 0 0 0 0 0 0 0 0 0
7.5 0 0 0 0 0 0 0 0 0 0
7.0 0 0 0 0 0 0 0 0 0 0
6.5 0 0 0 0 0 0 0 0 0 0
6.0 0 0 0 0 0 0 0 0 0 0
5.5 0 0 0 0 0 0 0 0 0 0
5.0 0 0 0 0 0 0 0 0 0 0
4.5 0 0 0 0 0 0 0 0 0 0
4.0 0 0 0 0 0 0 0 0 0 0
3.5 0 0 0 0 0 0 0 0 0 0
3.0 0 0 0 0 0 0 0 0 0 0
2.5 0 0 0 0 0 0 0 0 0 0
2.0 0 0 0 0 0 0 0 0 0 0
1.5 0 0 0 0 0 0 0 0 0 0
1.0 0 0 0 0 0 0 0 0 0 0
0.5 0 0 0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 0 0 0
American Mathematics Competitions
2003 AMC 12 A Results for Illinois
Analysis
Table of Item Difficulty for the 2003
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.38 1.30 0.55 5.79* 0.33 1.65 0.00
2 0.03 9.04* 0.11 0.59 0.02 0.21 0.00
3 0.28 2.70 0.20 5.32* 0.13 1.37 0.00
4 5.78* 0.13 0.16 2.86 0.04 1.03 0.00
5 0.22 0.07 0.10 0.10 7.89* 1.61 0.00
6 0.95 2.10 4.09* 0.37 0.49 2.01 0.00
7 1.57 2.69* 0.76 1.57 0.30 3.12 0.00
8 0.65 0.32 0.25 0.19 7.82* 0.76 0.00
9 0.32 0.55 1.38 3.19* 0.16 4.40 0.00
10 0.44 0.81 0.35 3.69* 0.13 4.58 0.00
11 0.67 0.57 2.08* 0.40 0.63 5.65 0.00
12 0.11 0.20 0.46 0.36 6.38* 2.48 0.00
13 0.39 0.39 0.64 1.19 4.66* 2.73 0.00
14 0.60 0.40 0.46 5.30* 0.68 2.56 0.00
15 0.36 0.26 1.12* 0.15 0.38 7.74 0.00
16 0.56 0.44 3.63* 0.34 0.99 4.04 0.00
17 0.53 1.04* 0.27 0.66 0.21 7.29 0.00
18 0.12 0.41* 0.17 0.16 0.20 8.94 0.00
19 0.56 0.58 1.09 1.36* 0.50 5.91 0.00
20 0.44* 0.27 0.67 1.31 0.13 7.17 0.00
21 0.94 0.36 0.21 0.73* 1.25 6.51 0.00
22 0.55 0.51 0.34* 0.55 0.21 7.83 0.00
23 0.19 0.33* 0.22 0.21 0.20 8.85 0.00
24 0.17 1.99* 0.86 0.16 0.17 6.65 0.00
25 0.55 0.41 0.15* 0.07 1.69 7.13 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
American Mathematics Competitions
2003 AMC 10 B Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 1 0 125.0 1 0 100.0 2 0
149.5 0 0 124.5 0 0 99.5 5 8
149.0 0 0 124.0 1 0 99.0 5 0
148.5 0 0 123.5 0 0 98.5 7 0
148.0 0 0 123.0 1 0 98.0 6 4
147.5 0 0 122.5 0 0 97.5 4 2
147.0 0 0 122.0 0 0 97.0 11 6
146.5 0 0 121.5 1 0 96.5 2 0
146.0 0 0 121.0 0 0 96.0 13 6
145.5 0 0 120.5 3 0 95.5 5 2
145.0 0 0 120.0 1 0 95.0 8 3
144.5 0 0 119.5 3 0 94.5 8 8
144.0 0 0 119.0 0 0 94.0 2 1
143.5 0 0 118.5 0 0 93.5 7 5
143.0 0 0 118.0 0 0 93.0 1 2
142.5 0 0 117.5 0 0 92.5 8 2
142.0 0 0 117.0 5 0 92.0 4 6
141.5 0 0 116.5 0 1 91.5 4 4
141.0 0 0 116.0 0 1 91.0 6 5
140.5 0 0 115.5 1 0 90.5 2 4
140.0 0 0 115.0 0 0 90.0 12 6
139.5 0 0 114.5 0 0 89.5 3 0
139.0 0 0 114.0 0 0 89.0 9 9
138.5 0 0 113.5 4 2 88.5 9 7
138.0 0 0 113.0 1 0 88.0 4 7
137.5 0 0 112.5 0 1 87.5 8 6
137.0 0 0 112.0 1 0 87.0 3 6
136.5 0 0 111.5 1 1 86.5 2 11
136.0 0 0 111.0 4 2 86.0 6 2
135.5 0 0 110.5 0 0 85.5 4 3
135.0 0 0 110.0 3 3 85.0 9 4
134.5 0 1 109.5 0 0 84.5 5 4
134.0 0 0 109.0 4 4 84.0 8 15
133.5 0 1 108.5 4 1 83.5 6 2
133.0 0 0 108.0 2 1 83.0 5 5
132.5 0 0 107.5 8 4 82.5 6 13
132.0 1 0 107.0 0 1 82.0 4 4
131.5 0 0 106.5 4 3 81.5 9 10
131.0 0 0 106.0 3 0 81.0 4 4
130.5 0 0 105.5 7 4 80.5 7 11
130.0 0 0 105.0 5 2 80.0 4 1
129.5 0 0 104.5 5 1 79.5 9 6
129.0 0 0 104.0 8 5 79.0 7 5
128.5 1 0 103.5 4 2 78.5 12 5
128.0 0 0 103.0 4 0 78.0 9 6
127.5 0 0 102.5 2 1 77.5 5 3
127.0 0 0 102.0 2 2 77.0 5 9
126.5 0 0 101.5 4 3 76.5 3 9
126.0 0 0 101.0 2 1 76.0 2 6
125.5 0 0 100.5 6 5 75.5 5 5
American Mathematics Competitions
2003 AMC 10 B Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 5 4 50.0 1 3 25.0 0 0
74.5 7 8 49.5 0 0 24.5 0 0
74.0 3 1 49.0 0 0 24.0 0 1
73.5 3 7 48.5 0 1 23.5 0 0
73.0 8 6 48.0 3 2 23.0 0 0
72.5 4 7 47.5 0 1 22.5 0 0
72.0 8 7 47.0 1 0 22.0 0 0
71.5 3 5 46.5 0 0 21.5 0 0
71.0 10 5 46.0 1 0 21.0 0 0
70.5 6 4 45.5 0 1 20.5 0 0
70.0 3 6 45.0 0 1 20.0 0 0
69.5 4 5 44.5 0 0 19.5 0 1
69.0 2 5 44.0 0 0 19.0 0 0
68.5 4 5 43.5 0 2 18.5 0 0
68.0 3 2 43.0 1 0 18.0 0 0
67.5 3 9 42.5 0 0 17.5 0 0
67.0 2 1 42.0 1 1 17.0 0 0
66.5 9 3 41.5 0 1 16.5 0 0
66.0 7 8 41.0 2 0 16.0 0 0
65.5 6 2 40.5 0 0 15.5 0 0
65.0 3 4 40.0 0 0 15.0 0 0
64.5 2 2 39.5 0 0 14.5 0 0
64.0 2 4 39.0 0 0 14.0 0 0
63.5 1 6 38.5 2 1 13.5 0 0
63.0 3 6 38.0 1 1 13.0 0 0
62.5 1 2 37.5 0 0 12.5 0 0
62.0 3 5 37.0 0 0 12.0 0 0
61.5 2 3 36.5 0 0 11.5 0 0
61.0 2 1 36.0 1 4 11.0 0 0
60.5 2 5 35.5 0 1 10.5 0 0
60.0 4 4 35.0 1 0 10.0 0 0
59.5 2 4 34.5 0 0 9.5 0 0
59.0 1 2 34.0 0 2 9.0 0 0
58.5 1 2 33.5 0 0 8.5 0 0
58.0 0 3 33.0 0 0 8.0 0 0
57.5 0 2 32.5 0 0 7.5 0 0
57.0 0 1 32.0 0 0 7.0 0 0
56.5 4 1 31.5 0 0 6.5 0 0
56.0 1 4 31.0 0 0 6.0 0 0
55.5 2 1 30.5 0 0 5.5 0 0
55.0 1 5 30.0 0 0 5.0 0 0
54.5 2 3 29.5 0 1 4.5 0 0
54.0 4 3 29.0 0 0 4.0 0 0
53.5 2 2 28.5 0 0 3.5 0 0
53.0 0 0 28.0 0 1 3.0 0 0
52.5 0 2 27.5 0 0 2.5 0 0
52.0 0 1 27.0 0 0 2.0 0 0
51.5 1 2 26.5 1 0 1.5 0 0
51.0 1 0 26.0 0 0 1.0 0 0
50.5 1 3 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 10 B Results for Illinois
SCORE DISTRIBUTION
score -----------grade-----------
5 6 7 8 9 10 unknown
---------------------------
150.0 0 0 1 0 0 0 0
149.5 0 0 0 0 0 0 0
149.0 0 0 0 0 0 0 0
148.5 0 0 0 0 0 0 0
148.0 0 0 0 0 0 0 0
147.5 0 0 0 0 0 0 0
147.0 0 0 0 0 0 0 0
146.5 0 0 0 0 0 0 0
146.0 0 0 0 0 0 0 0
145.5 0 0 0 0 0 0 0
145.0 0 0 0 0 0 0 0
144.5 0 0 0 0 0 0 0
144.0 0 0 0 0 0 0 0
143.5 0 0 0 0 0 0 0
143.0 0 0 0 0 0 0 0
142.5 0 0 0 0 0 0 0
142.0 0 0 0 0 0 0 0
141.5 0 0 0 0 0 0 0
141.0 0 0 0 0 0 0 0
140.5 0 0 0 0 0 0 0
140.0 0 0 0 0 0 0 0
139.5 0 0 0 0 0 0 0
139.0 0 0 0 0 0 0 0
138.5 0 0 0 0 0 0 0
138.0 0 0 0 0 0 0 0
137.5 0 0 0 0 0 0 0
137.0 0 0 0 0 0 0 0
136.5 0 0 0 0 0 0 0
136.0 0 0 0 0 0 0 0
135.5 0 0 0 0 0 0 0
135.0 0 0 0 0 0 0 0
134.5 0 0 1 0 0 0 0
134.0 0 0 0 0 0 0 0
133.5 0 0 0 0 0 1 0
133.0 0 0 0 0 0 0 0
132.5 0 0 0 0 0 0 0
132.0 0 0 0 0 0 1 0
131.5 0 0 0 0 0 0 0
131.0 0 0 0 0 0 0 0
130.5 0 0 0 0 0 0 0
130.0 0 0 0 0 0 0 0
129.5 0 0 0 0 0 0 0
129.0 0 0 0 0 0 0 0
128.5 0 0 0 0 0 1 0
128.0 0 0 0 0 0 0 0
127.5 0 0 0 0 0 0 0
127.0 0 0 0 0 0 0 0
126.5 0 0 0 0 0 0 0
126.0 0 0 0 0 0 0 0
125.5 0 0 0 0 0 0 0
125.0 0 0 0 0 0 1 0
124.5 0 0 0 0 0 0 0
124.0 0 0 0 0 1 0 0
123.5 0 0 0 0 0 0 0
123.0 0 0 0 0 0 1 0
122.5 0 0 0 0 0 0 0
122.0 0 0 0 0 0 0 0
121.5 0 0 0 0 0 1 0
121.0 0 0 0 0 0 0 0
120.5 0 0 0 0 1 2 0
120.0 0 0 0 0 0 1 0
119.5 0 0 0 0 1 2 0
119.0 0 0 0 0 0 0 0
118.5 0 0 0 0 0 0 0
118.0 0 0 0 0 0 0 0
117.5 0 0 0 0 0 0 0
117.0 0 0 0 3 2 1 0
116.5 0 0 0 0 0 1 0
116.0 0 0 0 0 0 1 0
115.5 0 0 0 0 0 1 0
115.0 0 0 0 0 0 0 0
114.5 0 0 0 0 0 0 0
114.0 0 0 0 0 0 0 0
113.5 0 0 0 1 2 4 0
113.0 0 0 0 0 0 1 0
112.5 0 0 0 0 0 1 0
112.0 0 0 0 0 0 1 0
111.5 0 0 0 1 0 1 0
111.0 0 0 0 2 1 3 0
110.5 0 0 0 0 0 0 0
110.0 0 0 0 0 4 2 0
109.5 0 0 0 0 0 0 1
109.0 0 0 0 0 4 4 0
108.5 0 0 0 0 2 3 0
108.0 0 0 1 0 0 3 0
107.5 0 0 1 0 2 9 0
107.0 0 0 0 0 0 1 0
106.5 0 0 0 0 1 6 0
106.0 0 0 0 0 1 1 1
105.5 0 0 0 0 5 6 0
105.0 0 0 0 0 3 5 0
104.5 0 0 1 0 2 3 0
104.0 0 0 0 0 6 7 0
103.5 0 0 0 1 0 5 0
103.0 0 0 0 0 1 3 0
102.5 0 0 0 0 2 1 0
102.0 0 0 0 0 3 1 0
101.5 0 0 0 0 5 2 0
101.0 0 0 0 0 1 2 0
100.5 0 0 1 1 3 6 0
100.0 0 0 0 0 1 1 0
99.5 0 0 1 1 2 11 0
99.0 0 0 0 0 1 4 0
98.5 0 0 0 0 2 6 0
98.0 0 0 0 0 5 5 0
97.5 0 0 0 0 2 4 0
97.0 0 0 0 0 7 11 0
96.5 0 0 0 0 0 2 0
96.0 0 0 0 0 9 11 0
95.5 0 0 1 0 2 4 0
95.0 0 0 0 0 4 7 0
94.5 0 0 0 1 8 7 0
94.0 0 0 1 0 2 0 0
93.5 0 0 0 0 5 7 0
93.0 0 0 0 0 1 2 0
92.5 0 0 1 0 8 3 0
92.0 0 0 0 0 4 7 0
91.5 0 0 0 0 4 4 0
91.0 0 0 0 2 2 8 0
90.5 0 0 0 0 1 5 0
90.0 0 0 0 0 11 7 0
89.5 0 0 1 0 2 0 0
89.0 0 0 0 0 8 10 0
88.5 0 0 1 1 7 7 0
88.0 0 0 1 0 5 5 0
87.5 0 0 0 2 9 6 0
87.0 0 0 0 0 5 4 0
86.5 0 0 0 0 6 9 0
86.0 0 0 1 0 6 1 0
85.5 0 0 0 0 6 1 0
85.0 0 0 0 0 5 8 0
84.5 0 0 0 0 2 7 0
84.0 0 0 0 1 10 13 0
83.5 0 0 0 0 3 5 0
83.0 0 0 1 2 5 2 0
82.5 0 0 0 0 8 11 0
82.0 0 0 0 0 6 2 0
81.5 0 0 0 1 9 9 1
81.0 0 0 0 0 4 4 0
80.5 0 0 0 1 8 9 0
80.0 0 0 0 0 3 2 0
79.5 0 0 1 0 5 9 0
79.0 0 0 1 0 3 8 0
78.5 0 0 1 0 9 9 1
78.0 0 0 2 0 6 7 0
77.5 0 0 0 1 3 4 0
77.0 0 1 0 0 10 3 0
76.5 0 0 0 0 9 3 0
76.0 0 0 0 0 4 4 0
75.5 0 0 0 0 7 3 0
75.0 0 0 0 1 4 4 0
74.5 0 0 0 0 5 10 0
74.0 0 0 0 0 2 2 0
73.5 0 0 0 0 7 5 0
73.0 0 0 0 0 10 4 0
72.5 0 0 0 0 7 5 0
72.0 0 0 0 1 8 8 0
71.5 0 0 0 0 6 2 0
71.0 0 0 0 0 7 7 1
70.5 0 0 0 0 7 3 0
70.0 0 0 0 0 3 5 1
69.5 0 0 0 0 4 5 0
69.0 0 0 0 0 5 3 0
68.5 0 0 0 0 2 7 0
68.0 0 0 0 0 3 2 0
67.5 0 1 0 0 7 5 0
67.0 0 0 0 0 1 2 0
66.5 0 1 0 0 4 7 0
66.0 0 0 0 0 10 6 0
65.5 0 0 0 0 7 1 0
65.0 0 0 0 0 6 1 0
64.5 0 0 0 0 1 3 0
64.0 0 0 0 0 3 3 0
63.5 0 0 0 0 3 4 0
63.0 0 0 0 0 4 5 0
62.5 0 0 0 0 2 1 0
62.0 0 0 1 0 6 1 0
61.5 0 0 0 0 3 3 0
61.0 0 0 0 0 2 0 1
60.5 0 0 0 0 5 3 0
60.0 0 0 0 0 4 5 0
59.5 0 0 0 0 4 2 0
59.0 0 0 0 0 3 0 0
58.5 0 0 0 0 1 1 1
58.0 0 0 0 0 3 0 0
57.5 0 0 0 0 1 0 1
57.0 0 0 0 0 1 0 0
56.5 0 0 0 0 4 1 0
56.0 0 0 0 0 3 2 0
55.5 0 0 0 0 1 2 0
55.0 0 0 0 0 4 2 0
54.5 0 0 0 1 1 3 0
54.0 0 0 0 0 3 4 0
53.5 0 0 0 0 3 1 0
53.0 0 0 0 0 0 1 0
52.5 0 0 0 0 1 1 0
52.0 0 0 0 0 0 1 0
51.5 0 0 0 0 2 2 0
51.0 0 0 0 0 1 0 0
50.5 0 0 0 0 3 1 0
50.0 0 0 0 0 2 2 0
49.5 0 0 0 0 0 0 0
49.0 0 0 0 0 1 0 0
48.5 0 0 0 0 1 0 0
48.0 0 0 0 0 4 1 0
47.5 0 0 0 0 0 1 0
47.0 0 0 0 1 0 0 0
46.5 0 0 0 0 0 0 0
46.0 0 0 0 0 0 1 0
45.5 0 0 0 0 0 1 0
45.0 0 0 0 0 1 0 0
44.5 0 0 0 0 0 1 0
44.0 0 0 0 0 0 0 0
43.5 0 0 0 0 0 2 0
43.0 0 0 0 0 1 0 0
42.5 0 0 0 0 0 0 0
42.0 0 0 0 0 1 1 1
41.5 0 0 0 0 0 1 0
41.0 0 0 0 0 0 2 0
40.5 0 0 0 0 0 0 0
40.0 0 0 0 0 0 0 0
39.5 0 0 0 0 0 0 0
39.0 0 0 0 0 0 0 0
38.5 0 0 0 0 2 1 0
38.0 0 0 0 0 2 0 0
37.5 0 0 0 0 0 0 0
37.0 0 0 0 0 0 0 0
36.5 0 0 0 0 0 0 0
36.0 0 0 0 1 0 4 0
35.5 0 0 0 0 1 1 0
35.0 0 0 0 0 1 0 0
34.5 0 0 0 0 0 0 0
34.0 0 0 0 0 2 0 0
33.5 0 0 0 0 0 0 0
33.0 0 0 0 0 0 0 0
32.5 0 0 0 0 0 0 0
32.0 0 0 0 0 0 0 0
31.5 0 0 0 0 0 0 0
31.0 0 0 0 0 0 0 0
30.5 0 0 0 0 0 0 0
30.0 0 0 0 0 0 0 0
29.5 0 0 0 0 0 1 0
29.0 0 0 0 0 0 0 0
28.5 0 0 0 0 0 0 0
28.0 0 0 0 0 1 0 0
27.5 0 0 0 0 0 0 0
27.0 0 0 0 0 0 0 0
26.5 0 0 0 0 1 0 0
26.0 0 0 0 0 0 0 0
25.5 0 0 0 0 0 0 0
25.0 0 0 0 0 0 0 0
24.5 0 0 0 0 0 0 0
24.0 0 0 0 0 0 1 0
23.5 0 0 0 0 0 0 0
23.0 0 0 0 0 0 0 0
22.5 0 0 0 0 0 0 0
22.0 0 0 0 0 0 0 0
21.5 0 0 0 0 0 0 0
21.0 0 0 0 0 0 0 0
20.5 0 0 0 0 0 0 0
20.0 0 0 0 0 0 0 0
19.5 0 0 0 0 0 1 0
19.0 0 0 0 0 0 0 0
18.5 0 0 0 0 0 0 0
18.0 0 0 0 0 0 0 0
17.5 0 0 0 0 0 0 0
17.0 0 0 0 0 0 0 0
16.5 0 0 0 0 0 0 0
16.0 0 0 0 0 0 0 0
15.5 0 0 0 0 0 0 0
15.0 0 0 0 0 0 0 0
14.5 0 0 0 0 0 0 0
14.0 0 0 0 0 0 0 0
13.5 0 0 0 0 0 0 0
13.0 0 0 0 0 0 0 0
12.5 0 0 0 0 0 0 0
12.0 0 0 0 0 0 0 0
11.5 0 0 0 0 0 0 0
11.0 0 0 0 0 0 0 0
10.5 0 0 0 0 0 0 0
10.0 0 0 0 0 0 0 0
9.5 0 0 0 0 0 0 0
9.0 0 0 0 0 0 0 0
8.5 0 0 0 0 0 0 0
8.0 0 0 0 0 0 0 0
7.5 0 0 0 0 0 0 0
7.0 0 0 0 0 0 0 0
6.5 0 0 0 0 0 0 0
6.0 0 0 0 0 0 0 0
5.5 0 0 0 0 0 0 0
5.0 0 0 0 0 0 0 0
4.5 0 0 0 0 0 0 0
4.0 0 0 0 0 0 0 0
3.5 0 0 0 0 0 0 0
3.0 0 0 0 0 0 0 0
2.5 0 0 0 0 0 0 0
2.0 0 0 0 0 0 0 0
1.5 0 0 0 0 0 0 0
1.0 0 0 0 0 0 0 0
0.5 0 0 0 0 0 0 0
0 0 0 0 0 0 0
American Mathematics Competitions
2003 AMC 10 B Results for Illinois
Analysis
Table of Item Difficulty for the 2003
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.01 0.09 9.72* 0.11 0.04 0.04 0.00
2 0.05 0.06 1.36 7.89* 0.37 0.27 0.01
3 0.28 7.18* 0.67 0.51 0.10 1.27 0.00
4 8.63* 0.20 0.20 0.05 0.18 0.75 0.00
5 0.27 0.37 4.26* 0.59 1.36 3.16 0.00
6 0.92 1.25 0.21 4.94* 0.44 2.25 0.00
7 0.43 6.06* 0.29 0.62 0.22 2.37 0.00
8 0.12 0.96* 0.38 0.72 0.51 7.30 0.00
9 0.27 3.57* 0.36 0.37 0.27 5.17 0.00
10 0.22 0.24 3.70* 1.05 0.43 4.35 0.00
11 5.34* 0.39 0.30 0.21 1.21 2.53 0.00
12 0.37 0.42 6.30* 0.12 0.26 2.54 0.00
13 2.55 0.52 0.28 0.75 1.33* 4.57 0.01
14 0.87 0.37 0.22 3.44* 0.09 5.00 0.00
15 1.72 2.03 0.26 0.87 2.99* 2.12 0.01
16 0.29 0.19 0.45 0.48 4.94* 3.65 0.00
17 0.12 1.85* 0.79 0.29 0.13 6.82 0.00
18 0.33 1.51 0.23 1.54* 1.94 4.45 0.00
19 0.17 0.32 0.39 0.45 0.56* 8.10 0.00
20 0.31 0.50 0.43 1.98* 1.04 5.74 0.00
21 1.63 0.35 0.42* 1.40 0.51 5.69 0.00
22 1.53 2.51* 1.76 0.64 0.51 3.05 0.00
23 0.31 0.30 0.51 1.03* 0.29 7.56 0.00
24 0.04 0.16 1.67 0.10 0.05* 7.98 0.00
25 1.03 2.93* 0.91 0.37 0.33 4.44 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
American Mathematics Competitions
2003 AMC 12 B Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 1 0 125.0 0 0 100.0 1 0
149.5 0 0 124.5 0 0 99.5 12 0
149.0 0 0 124.0 0 0 99.0 4 0
148.5 0 0 123.5 0 0 98.5 8 6
148.0 0 0 123.0 3 0 98.0 14 0
147.5 0 0 122.5 0 0 97.5 3 1
147.0 0 0 122.0 0 0 97.0 8 2
146.5 0 0 121.5 3 0 96.5 3 0
146.0 0 0 121.0 0 0 96.0 14 4
145.5 0 0 120.5 4 0 95.5 3 0
145.0 0 0 120.0 0 0 95.0 10 3
144.5 0 0 119.5 3 0 94.5 9 1
144.0 0 0 119.0 0 0 94.0 2 2
143.5 0 0 118.5 2 0 93.5 14 5
143.0 2 0 118.0 0 0 93.0 2 0
142.5 0 0 117.5 0 0 92.5 5 9
142.0 0 0 117.0 2 0 92.0 3 1
141.5 0 0 116.5 0 0 91.5 3 2
141.0 0 0 116.0 2 1 91.0 11 7
140.5 0 1 115.5 0 1 90.5 2 1
140.0 0 0 115.0 2 1 90.0 16 8
139.5 0 0 114.5 2 0 89.5 3 2
139.0 0 0 114.0 1 0 89.0 17 9
138.5 0 0 113.5 3 1 88.5 10 2
138.0 0 0 113.0 0 0 88.0 5 0
137.5 0 0 112.5 7 1 87.5 10 4
137.0 0 0 112.0 1 0 87.0 2 3
136.5 0 0 111.5 3 1 86.5 9 3
136.0 0 0 111.0 2 0 86.0 6 1
135.5 0 0 110.5 0 0 85.5 8 6
135.0 0 0 110.0 6 1 85.0 7 5
134.5 1 0 109.5 0 0 84.5 4 3
134.0 0 0 109.0 4 3 84.0 16 11
133.5 1 0 108.5 2 1 83.5 2 2
133.0 0 0 108.0 3 2 83.0 19 15
132.5 1 0 107.5 5 1 82.5 5 4
132.0 0 0 107.0 0 0 82.0 9 13
131.5 0 0 106.5 9 3 81.5 6 5
131.0 1 0 106.0 0 0 81.0 3 3
130.5 0 0 105.5 7 4 80.5 17 11
130.0 1 1 105.0 2 0 80.0 4 3
129.5 0 0 104.5 6 0 79.5 8 9
129.0 0 0 104.0 3 1 79.0 7 4
128.5 0 0 103.5 3 0 78.5 11 10
128.0 0 0 103.0 4 0 78.0 14 8
127.5 4 0 102.5 1 0 77.5 8 7
127.0 0 0 102.0 5 2 77.0 30 17
126.5 1 0 101.5 3 0 76.5 9 6
126.0 0 0 101.0 4 3 76.0 10 14
125.5 0 0 100.5 6 1 75.5 14 7
American Mathematics Competitions
2003 AMC 12 B Results for Illinois
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 8 7 50.0 2 4 25.0 0 0
74.5 20 10 49.5 1 1 24.5 1 0
74.0 3 5 49.0 1 3 24.0 0 1
73.5 12 12 48.5 0 0 23.5 0 0
73.0 9 4 48.0 2 3 23.0 0 0
72.5 6 13 47.5 3 3 22.5 0 0
72.0 13 13 47.0 1 0 22.0 0 0
71.5 9 9 46.5 0 1 21.5 0 0
71.0 22 13 46.0 1 2 21.0 0 0
70.5 4 9 45.5 0 1 20.5 0 0
70.0 11 10 45.0 0 2 20.0 0 0
69.5 10 11 44.5 1 1 19.5 0 0
69.0 5 8 44.0 0 2 19.0 0 0
68.5 10 8 43.5 1 2 18.5 0 0
68.0 8 6 43.0 0 0 18.0 0 0
67.5 12 9 42.5 1 1 17.5 0 0
67.0 6 10 42.0 1 3 17.0 0 0
66.5 3 5 41.5 0 2 16.5 0 0
66.0 19 12 41.0 0 1 16.0 0 0
65.5 7 9 40.5 2 0 15.5 0 0
65.0 9 11 40.0 0 1 15.0 0 0
64.5 3 4 39.5 0 0 14.5 0 0
64.0 6 5 39.0 2 0 14.0 0 0
63.5 3 8 38.5 0 1 13.5 0 0
63.0 2 5 38.0 1 0 13.0 0 0
62.5 10 8 37.5 0 0 12.5 0 0
62.0 3 3 37.0 0 0 12.0 0 0
61.5 1 6 36.5 0 0 11.5 0 0
61.0 1 2 36.0 2 1 11.0 0 0
60.5 1 3 35.5 0 1 10.5 0 0
60.0 8 5 35.0 0 0 10.0 0 0
59.5 1 4 34.5 0 1 9.5 0 0
59.0 6 6 34.0 0 1 9.0 0 0
58.5 4 7 33.5 0 0 8.5 0 0
58.0 2 4 33.0 0 0 8.0 0 0
57.5 3 4 32.5 0 0 7.5 0 0
57.0 1 3 32.0 0 0 7.0 0 0
56.5 5 2 31.5 0 0 6.5 0 0
56.0 1 4 31.0 0 0 6.0 0 0
55.5 1 8 30.5 0 0 5.5 0 0
55.0 4 2 30.0 0 0 5.0 0 0
54.5 2 1 29.5 0 0 4.5 0 0
54.0 4 5 29.0 0 0 4.0 0 0
53.5 2 5 28.5 0 0 3.5 0 0
53.0 3 3 28.0 0 0 3.0 0 0
52.5 1 1 27.5 0 0 2.5 0 0
52.0 0 0 27.0 0 1 2.0 0 0
51.5 2 4 26.5 0 0 1.5 0 0
51.0 1 2 26.0 0 0 1.0 0 0
50.5 1 2 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 B Results for Illinois
SCORE DISTRIBUTION
score -----------grade-----------
5 6 7 8 9 10 11 12 13 unknown
---------------------------
150.0 0 0 0 0 0 0 0 1 0 0
149.5 0 0 0 0 0 0 0 0 0 0
149.0 0 0 0 0 0 0 0 0 0 0
148.5 0 0 0 0 0 0 0 0 0 0
148.0 0 0 0 0 0 0 0 0 0 0
147.5 0 0 0 0 0 0 0 0 0 0
147.0 0 0 0 0 0 0 0 0 0 0
146.5 0 0 0 0 0 0 0 0 0 0
146.0 0 0 0 0 0 0 0 0 0 0
145.5 0 0 0 0 0 0 0 0 0 0
145.0 0 0 0 0 0 0 0 0 0 0
144.5 0 0 0 0 0 0 0 0 0 0
144.0 0 0 0 0 0 0 0 0 0 0
143.5 0 0 0 0 0 0 0 0 0 0
143.0 0 0 0 0 0 0 2 0 0 0
142.5 0 0 0 0 0 0 0 0 0 0
142.0 0 0 0 0 0 0 0 0 0 0
141.5 0 0 0 0 0 0 0 0 0 0
141.0 0 0 0 0 0 0 0 0 0 0
140.5 0 0 0 0 0 0 0 1 0 0
140.0 0 0 0 0 0 0 0 0 0 0
139.5 0 0 0 0 0 0 0 0 0 0
139.0 0 0 0 0 0 0 0 0 0 0
138.5 0 0 0 0 0 0 0 0 0 0
138.0 0 0 0 0 0 0 0 0 0 0
137.5 0 0 0 0 0 0 0 0 0 0
137.0 0 0 0 0 0 0 0 0 0 0
136.5 0 0 0 0 0 0 0 0 0 0
136.0 0 0 0 0 0 0 0 0 0 0
135.5 0 0 0 0 0 0 0 0 0 0
135.0 0 0 0 0 0 0 0 0 0 0
134.5 0 0 0 0 0 0 1 0 0 0
134.0 0 0 0 0 0 0 0 0 0 0
133.5 0 0 0 0 0 0 1 0 0 0
133.0 0 0 0 0 0 0 0 0 0 0
132.5 0 0 0 0 0 0 1 0 0 0
132.0 0 0 0 0 0 0 0 0 0 0
131.5 0 0 0 0 0 0 0 0 0 0
131.0 0 0 0 0 0 0 0 1 0 0
130.5 0 0 0 0 0 0 0 0 0 0
130.0 0 0 0 0 0 0 0 2 0 0
129.5 0 0 0 0 0 0 0 0 0 0
129.0 0 0 0 0 0 0 0 0 0 0
128.5 0 0 0 0 0 0 0 0 0 0
128.0 0 0 0 0 0 0 0 0 0 0
127.5 0 0 0 0 1 1 1 1 0 0
127.0 0 0 0 0 0 0 0 0 0 0
126.5 0 0 0 0 0 0 1 0 0 0
126.0 0 0 0 0 0 0 0 0 0 0
125.5 0 0 0 0 0 0 0 0 0 0
125.0 0 0 0 0 0 0 0 0 0 0
124.5 0 0 0 0 0 0 0 0 0 0
124.0 0 0 0 0 0 0 0 0 0 0
123.5 0 0 0 0 0 0 0 0 0 0
123.0 0 0 0 0 1 0 1 1 0 0
122.5 0 0 0 0 0 0 0 0 0 0
122.0 0 0 0 0 0 0 0 0 0 1
121.5 0 0 0 0 0 1 0 2 0 0
121.0 0 0 0 0 0 0 0 0 0 0
120.5 0 0 0 0 0 0 2 2 0 0
120.0 0 0 0 0 0 0 0 0 0 0
119.5 0 0 0 0 0 1 2 0 0 0
119.0 0 0 0 0 0 0 0 0 0 0
118.5 0 0 0 0 0 0 1 1 0 0
118.0 0 0 0 0 0 0 0 0 0 0
117.5 0 0 0 0 0 0 0 0 0 0
117.0 0 0 0 0 0 1 0 1 0 0
116.5 0 0 0 0 0 0 0 0 0 0
116.0 0 0 0 0 0 0 2 1 0 0
115.5 0 0 0 0 0 0 1 0 0 0
115.0 0 0 0 0 0 1 0 2 0 0
114.5 0 0 0 0 0 0 1 1 0 0
114.0 0 0 0 0 0 1 0 0 0 0
113.5 0 0 0 0 0 1 1 3 0 0
113.0 0 0 0 0 0 0 0 0 0 0
112.5 0 0 0 0 0 1 2 6 0 0
112.0 0 0 0 0 0 0 0 1 0 0
111.5 0 0 0 0 0 0 1 3 0 0
111.0 0 0 0 0 0 0 1 1 1 0
110.5 0 0 0 0 0 0 0 0 0 0
110.0 0 0 0 0 0 2 2 3 0 0
109.5 0 0 0 0 0 0 0 0 0 0
109.0 0 0 0 0 0 0 3 4 0 1
108.5 0 0 0 0 0 0 2 1 0 0
108.0 0 0 0 0 0 2 1 2 0 0
107.5 0 0 0 0 0 2 3 1 0 0
107.0 0 0 0 0 0 0 0 0 0 0
106.5 0 0 0 0 1 1 4 6 0 0
106.0 0 0 0 0 0 0 0 0 0 0
105.5 0 0 0 0 0 1 4 7 0 1
105.0 0 0 0 0 0 0 1 1 0 0
104.5 0 0 0 0 0 0 3 3 0 0
104.0 0 0 0 0 0 0 1 2 0 1
103.5 0 0 0 0 0 0 0 3 0 0
103.0 0 0 0 0 0 1 1 3 0 0
102.5 0 0 0 0 0 0 0 1 0 0
102.0 0 0 0 0 0 1 1 5 0 0
101.5 0 0 0 0 1 1 0 1 0 0
101.0 0 0 0 0 0 1 2 4 0 0
100.5 0 0 0 0 0 1 3 3 0 0
100.0 0 0 0 0 0 0 0 1 0 0
99.5 0 0 0 0 0 1 5 6 0