American Mathematics Competitions
2003 AMC 10 A Results for North Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1455
Number of unofficial participants: 0
Average score of participants: 77.0
Average score for female students is: 74.1 ( 648 Students)
Average score for male students is: 79.6 ( 726 Students)
Average score for unspecified gender is 76.6 ( 81 Students)
Average score for grade 10 is: 77.2 ( 604 Students)
Average score for grade 9 is: 76.0 ( 520 Students)
Average score for grade 8 and below is: 78.1 ( 305 Students)
Average score with unknown grade: 80.0 ( 26 Students)
AIME qualifying score = 119.0 or better
Number of AIME qualifers 24
Number of schools returning results 65
Average school winning score 105.75
American Mathematics Competitions
2003 AMC 12 A Results for North Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 2011
Number of unofficial participants: 0
Average score of participants: 78.6
Average score for female students is: 73.9 ( 880 Students)
Average score for male students is: 82.5 ( 1040 Students)
Average score for unspecified gender is 78.9 ( 91 Students)
Average score for grade 13 is: 81.0 ( 1 Student)
Average score for grade 12 is: 80.1 ( 831 Students)
Average score for grade 11 is: 76.6 ( 1042 Students)
Average score for grade 10 is: 83.8 ( 92 Students)
Average score for grade 9 is: 88.6 ( 12 Students)
Average score for grade 8 and below is: 114.3 ( 2 Students)
Average score with unknown grade: 83.0 ( 31 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 259
Number of schools returning results 60
Average school winning score 107.36
Average school team score 291.98
American Mathematics Competitions
2003 AMC 10 B Results for North Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 943
Number of unofficial participants: 84
Average score of participants: 81.2
Average score for female students is: 77.7 ( 391 Students)
Average score for male students is: 84.0 ( 458 Students)
Average score for unspecified gender is 82.3 ( 94 Students)
Average score for grade 10 is: 82.6 ( 431 Students)
Average score for grade 9 is: 79.8 ( 316 Students)
Average score for grade 8 and below is: 80.8 ( 142 Students)
Average score with unknown grade: 80.2 ( 54 Students)
AIME qualifying score = 121.0 or better
Number of AIME qualifers 9
Number of schools returning results 39
Average school winning score 111.18
American Mathematics Competitions
2003 AMC 12 B Results for North Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 870
Number of unofficial participants: 83
Average score of participants: 74.7
Average score for female students is: 71.7 ( 403 Students)
Average score for male students is: 77.4 ( 436 Students)
Average score for unspecified gender is 75.6 ( 31 Students)
Average score for grade 13 is: 77.0 ( 1 Student)
Average score for grade 12 is: 76.0 ( 331 Students)
Average score for grade 11 is: 72.8 ( 416 Students)
Average score for grade 10 is: 76.0 ( 94 Students)
Average score for grade 9 is: 84.5 ( 12 Students)
Average score for grade 8 and below is: 101.8 ( 4 Students)
Average score with unknown grade: 72.7 ( 12 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 63
Number of schools returning results 41
Average school winning score 103.09
Average school team score 273.20
2003 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
150.0 0 1 0 0
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 0 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 2 0 1 0
143.5 0 0 0 0
143.0 0 0 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 0 0 1 1
140.0 0 0 0 0
139.5 0 1 1 0
139.0 0 0 0 0
138.5 0 0 0 0
138.0 1 0 0 0
137.5 0 0 0 0
137.0 0 0 0 0
136.5 0 0 0 0
136.0 0 0 0 0
135.5 0 0 0 0
135.0 0 0 0 0
134.5 0 0 3 0
134.0 0 0 0 0
133.5 2 0 0 1
133.0 0 0 0 0
132.5 2 0 1 1
132.0 1 0 0 0
131.5 0 0 0 0
131.0 0 0 1 0
130.5 0 0 0 0
130.0 2 1 1 0
129.5 0 0 0 0
129.0 1 0 0 1
128.5 0 0 0 0
128.0 0 0 0 0
127.5 2 3 0 1
127.0 0 0 0 0
126.5 1 0 1 2
126.0 1 1 1 0
125.5 0 1 1 0
125.0 0 1 1 0
124.5 0 0 0 0
124.0 0 1 1 0
123.5 0 0 0 0
123.0 1 2 4 0
122.5 1 0 0 1
122.0 2 0 1 0
121.5 0 0 1 1
121.0 0 0 0 0
120.5 2 0 2 1
120.0 0 0 0 0
119.5 6 0 0 2
119.0 0 0 1 0
118.5 4 1 0 0
118.0 2 0 1 1
117.5 0 0 0 0
117.0 3 0 3 1
116.5 0 0 1 0
116.0 7 1 3 2
115.5 2 0 1 1
115.0 14 0 1 1
114.5 3 0 7 2
114.0 0 0 1 0
113.5 6 2 4 3
113.0 1 0 0 0
112.5 6 1 0 4
112.0 3 0 2 0
111.5 8 1 0 3
111.0 3 2 9 5
110.5 0 0 0 0
110.0 8 0 3 4
109.5 0 0 0 2
109.0 12 4 2 0
108.5 1 0 5 8
108.0 10 3 0 1
107.5 6 2 4 3
107.0 2 0 0 0
106.5 18 2 9 6
106.0 3 0 4 4
105.5 17 7 2 5
105.0 9 0 7 3
104.5 4 4 2 3
104.0 14 3 11 11
103.5 1 0 1 7
103.0 14 4 7 9
102.5 4 0 4 0
102.0 11 6 6 2
101.5 11 0 7 4
101.0 11 3 3 1
100.5 13 5 11 7
100.0 1 0 1 5
99.5 18 5 9 7
99.0 4 0 10 5
98.5 17 7 3 8
98.0 12 1 10 5
97.5 0 1 1 4
97.0 26 2 12 12
96.5 4 0 3 7
96.0 18 3 10 9
95.5 10 2 13 5
95.0 25 5 4 15
94.5 23 3 8 11
94.0 0 1 0 10
93.5 31 7 16 16
93.0 12 3 14 8
92.5 33 3 13 11
92.0 17 8 14 7
91.5 4 5 5 4
91.0 23 2 18 16
90.5 1 2 4 7
90.0 32 14 13 16
89.5 8 1 6 1
89.0 24 18 11 11
88.5 21 3 16 8
88.0 8 5 8 13
87.5 33 8 18 13
87.0 5 0 8 8
86.5 27 10 16 12
86.0 14 4 16 10
85.5 14 7 9 12
85.0 33 4 17 15
84.5 9 11 5 4
84.0 33 13 20 21
83.5 13 2 12 10
83.0 26 11 15 9
82.5 16 1 21 9
82.0 11 8 7 13
81.5 36 14 30 7
81.0 12 5 8 8
80.5 25 14 20 14
80.0 13 4 15 5
79.5 19 8 21 9
79.0 25 6 17 14
78.5 13 15 4 12
78.0 20 23 24 14
77.5 12 9 9 7
77.0 34 22 30 16
76.5 12 4 16 8
76.0 21 22 15 11
75.5 27 13 17 14
75.0 15 12 10 6
74.5 32 18 29 6
74.0 21 8 13 13
73.5 12 17 18 12
73.0 26 9 16 10
72.5 17 17 24 12
72.0 41 11 26 12
71.5 11 5 15 13
71.0 28 12 22 9
70.5 19 9 15 6
70.0 15 10 19 4
69.5 16 14 16 11
69.0 15 14 13 9
68.5 24 14 11 12
68.0 13 7 13 7
67.5 22 13 14 6
67.0 24 8 14 3
66.5 10 16 16 4
66.0 23 18 15 7
65.5 8 9 11 4
65.0 20 18 21 6
64.5 22 7 11 5
64.0 14 15 19 6
63.5 13 8 9 14
63.0 19 4 10 4
62.5 11 13 15 8
62.0 13 5 14 8
61.5 12 12 12 7
61.0 15 6 12 6
60.5 22 6 7 1
60.0 17 10 13 6
59.5 22 4 9 4
59.0 10 2 14 1
58.5 10 4 8 2
58.0 5 6 10 4
57.5 13 3 8 6
57.0 4 7 8 3
56.5 11 5 7 6
56.0 12 2 6 8
55.5 6 1 7 1
55.0 8 2 7 3
54.5 9 5 7 1
54.0 16 6 13 5
53.5 12 4 4 1
53.0 6 5 7 3
52.5 12 3 8 3
52.0 4 1 7 3
51.5 4 5 5 1
51.0 4 4 5 3
50.5 9 0 9 2
50.0 4 3 2 1
49.5 6 2 5 3
49.0 6 3 3 5
48.5 8 2 4 0
48.0 14 5 6 1
47.5 1 1 4 0
47.0 4 4 3 2
46.5 7 2 6 1
46.0 2 1 0 3
45.5 3 1 3 0
45.0 4 1 2 1
44.5 3 3 3 1
44.0 5 1 3 1
43.5 1 0 3 2
43.0 1 0 3 1
42.5 4 1 0 2
42.0 12 5 3 0
41.5 0 4 0 0
41.0 2 2 0 1
40.5 4 0 1 0
40.0 1 0 1 1
39.5 1 0 1 1
39.0 4 0 1 0
38.5 1 1 1 0
38.0 1 0 1 0
37.5 1 2 1 0
37.0 1 2 1 0
36.5 1 1 2 0
36.0 5 2 4 0
35.5 1 0 2 1
35.0 0 0 1 1
34.5 1 0 0 1
34.0 2 0 0 1
33.5 1 0 0 0
33.0 0 1 2 0
32.5 0 1 0 0
32.0 1 0 0 0
31.5 0 0 0 0
31.0 1 0 0 0
30.5 3 0 0 0
30.0 4 0 3 1
29.5 0 0 0 0
29.0 2 0 0 2
28.5 0 0 0 0
28.0 0 1 0 1
27.5 0 0 0 0
27.0 0 0 0 0
26.5 1 0 0 0
26.0 0 0 0 0
25.5 0 0 0 0
25.0 0 0 0 0
24.5 0 0 0 0
24.0 3 1 0 0
23.5 0 0 1 0
23.0 0 0 0 0
22.5 0 0 0 0
22.0 0 0 0 0
21.5 0 0 0 0
21.0 0 0 0 0
20.5 0 0 0 0
20.0 0 0 0 0
19.5 0 0 0 0
19.0 0 0 0 0
18.5 0 0 0 0
18.0 2 1 1 0
17.5 0 0 0 0
17.0 0 0 0 0
16.5 0 0 0 0
16.0 1 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 1 0 0 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 North Carolina
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 0 0 125.0 1 0 100.0 0 1
149.5 0 0 124.5 0 0 99.5 5 3
149.0 0 0 124.0 1 0 99.0 6 3
148.5 0 0 123.5 0 0 98.5 3 0
148.0 0 0 123.0 3 1 98.0 6 3
147.5 0 0 122.5 0 0 97.5 0 1
147.0 0 0 122.0 1 0 97.0 11 1
146.5 0 0 121.5 1 0 96.5 1 2
146.0 0 0 121.0 0 0 96.0 9 1
145.5 0 0 120.5 0 2 95.5 6 6
145.0 0 0 120.0 0 0 95.0 2 2
144.5 0 0 119.5 0 0 94.5 4 3
144.0 1 0 119.0 0 1 94.0 0 0
143.5 0 0 118.5 0 0 93.5 8 7
143.0 0 0 118.0 1 0 93.0 13 1
142.5 0 0 117.5 0 0 92.5 5 6
142.0 0 0 117.0 2 1 92.0 8 2
141.5 0 0 116.5 1 0 91.5 3 2
141.0 0 0 116.0 2 1 91.0 11 7
140.5 1 0 115.5 1 0 90.5 1 3
140.0 0 0 115.0 1 0 90.0 4 9
139.5 1 0 114.5 4 3 89.5 4 2
139.0 0 0 114.0 1 0 89.0 2 9
138.5 0 0 113.5 3 1 88.5 8 7
138.0 0 0 113.0 0 0 88.0 6 2
137.5 0 0 112.5 0 0 87.5 11 4
137.0 0 0 112.0 1 1 87.0 3 3
136.5 0 0 111.5 0 0 86.5 7 9
136.0 0 0 111.0 6 3 86.0 7 9
135.5 0 0 110.5 0 0 85.5 4 4
135.0 0 0 110.0 3 0 85.0 10 7
134.5 2 0 109.5 0 0 84.5 2 3
134.0 0 0 109.0 0 2 84.0 5 15
133.5 0 0 108.5 3 2 83.5 9 2
133.0 0 0 108.0 0 0 83.0 9 6
132.5 0 1 107.5 3 0 82.5 11 10
132.0 0 0 107.0 0 0 82.0 1 6
131.5 0 0 106.5 6 1 81.5 21 8
131.0 1 0 106.0 2 2 81.0 3 2
130.5 0 0 105.5 2 0 80.5 12 7
130.0 1 0 105.0 5 1 80.0 9 5
129.5 0 0 104.5 1 1 79.5 7 13
129.0 0 0 104.0 9 2 79.0 12 4
128.5 0 0 103.5 1 0 78.5 3 1
128.0 0 0 103.0 5 2 78.0 16 6
127.5 0 0 102.5 2 2 77.5 4 4
127.0 0 0 102.0 4 2 77.0 13 12
126.5 1 0 101.5 4 2 76.5 7 9
126.0 1 0 101.0 0 2 76.0 4 10
125.5 0 1 100.5 6 5 75.5 6 10
American Mathematics Competitions
2003 AMC 10 A Results for North Carolina
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 6 4 50.0 0 2 25.0 0 0
74.5 12 14 49.5 3 1 24.5 0 0
74.0 6 7 49.0 1 1 24.0 0 0
73.5 11 7 48.5 3 1 23.5 0 1
73.0 9 7 48.0 1 5 23.0 0 0
72.5 10 13 47.5 1 3 22.5 0 0
72.0 10 14 47.0 3 0 22.0 0 0
71.5 6 8 46.5 5 1 21.5 0 0
71.0 13 9 46.0 0 0 21.0 0 0
70.5 8 6 45.5 1 2 20.5 0 0
70.0 5 14 45.0 1 1 20.0 0 0
69.5 7 8 44.5 2 0 19.5 0 0
69.0 5 7 44.0 2 1 19.0 0 0
68.5 5 6 43.5 2 1 18.5 0 0
68.0 6 6 43.0 2 1 18.0 0 1
67.5 7 6 42.5 0 0 17.5 0 0
67.0 5 5 42.0 1 1 17.0 0 0
66.5 9 6 41.5 0 0 16.5 0 0
66.0 10 5 41.0 0 0 16.0 0 0
65.5 5 5 40.5 0 1 15.5 0 0
65.0 10 11 40.0 0 1 15.0 0 0
64.5 7 4 39.5 1 0 14.5 0 0
64.0 6 12 39.0 0 1 14.0 0 0
63.5 3 6 38.5 1 0 13.5 0 0
63.0 3 6 38.0 0 1 13.0 0 0
62.5 4 11 37.5 0 1 12.5 0 0
62.0 7 5 37.0 1 0 12.0 0 0
61.5 5 7 36.5 0 2 11.5 0 0
61.0 6 6 36.0 1 3 11.0 0 0
60.5 4 2 35.5 2 0 10.5 0 0
60.0 7 6 35.0 0 1 10.0 0 0
59.5 5 4 34.5 0 0 9.5 0 0
59.0 9 4 34.0 0 0 9.0 0 0
58.5 4 3 33.5 0 0 8.5 0 0
58.0 1 9 33.0 1 1 8.0 0 0
57.5 1 7 32.5 0 0 7.5 0 0
57.0 6 2 32.0 0 0 7.0 0 0
56.5 1 5 31.5 0 0 6.5 0 0
56.0 4 1 31.0 0 0 6.0 0 0
55.5 3 3 30.5 0 0 5.5 0 0
55.0 2 5 30.0 0 1 5.0 0 0
54.5 3 4 29.5 0 0 4.5 0 0
54.0 6 7 29.0 0 0 4.0 0 0
53.5 1 3 28.5 0 0 3.5 0 0
53.0 0 6 28.0 0 0 3.0 0 0
52.5 1 7 27.5 0 0 2.5 0 0
52.0 4 2 27.0 0 0 2.0 0 0
51.5 2 3 26.5 0 0 1.5 0 0
51.0 1 4 26.0 0 0 1.0 0 0
50.5 3 6 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 10 A Results for North Carolina
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 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 1 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 1 0 0
140.0 0 0 0 0 0 0 0
139.5 0 0 0 0 0 1 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 0 1 0 2 0
134.0 0 0 0 0 0 0 0
133.5 0 0 0 0 0 0 0
133.0 0 0 0 0 0 0 0
132.5 0 0 0 0 0 1 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 0 1 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 0 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 1 0 0 0
126.0 0 0 0 1 0 0 0
125.5 0 0 0 0 1 0 0
125.0 0 0 0 0 1 0 0
124.5 0 0 0 0 0 0 0
124.0 0 0 0 1 0 0 0
123.5 0 0 0 0 0 0 0
123.0 0 0 0 2 1 1 0
122.5 0 0 0 0 0 0 0
122.0 0 0 0 0 0 1 0
121.5 0 0 0 0 1 0 0
121.0 0 0 0 0 0 0 0
120.5 0 0 0 0 1 1 0
120.0 0 0 0 0 0 0 0
119.5 0 0 0 0 0 0 0
119.0 0 0 0 0 1 0 0
118.5 0 0 0 0 0 0 0
118.0 0 0 0 0 1 0 0
117.5 0 0 0 0 0 0 0
117.0 0 0 1 0 1 1 0
116.5 0 0 0 1 0 0 0
116.0 0 0 0 1 1 1 0
115.5 0 0 0 0 0 1 0
115.0 0 0 0 0 0 1 0
114.5 0 0 1 1 1 4 0
114.0 0 0 0 0 0 1 0
113.5 0 0 0 1 1 2 0
113.0 0 0 0 0 0 0 0
112.5 0 0 0 0 0 0 0
112.0 0 0 0 0 1 1 0
111.5 0 0 0 0 0 0 0
111.0 0 0 0 2 2 5 0
110.5 0 0 0 0 0 0 0
110.0 0 0 0 1 1 1 0
109.5 0 0 0 0 0 0 0
109.0 0 1 0 0 0 1 0
108.5 0 0 1 0 0 4 0
108.0 0 0 0 0 0 0 0
107.5 0 0 0 1 2 0 1
107.0 0 0 0 0 0 0 0
106.5 0 0 0 0 6 3 0
106.0 0 0 0 1 1 1 1
105.5 0 0 0 1 0 1 0
105.0 0 0 1 1 3 2 0
104.5 0 0 1 0 0 1 0
104.0 0 0 1 2 4 4 0
103.5 0 0 0 0 0 1 0
103.0 0 0 0 2 4 1 0
102.5 0 0 0 0 3 1 0
102.0 0 0 0 1 3 2 0
101.5 0 0 0 0 2 5 0
101.0 0 0 0 0 1 2 0
100.5 0 0 0 1 6 4 0
100.0 0 0 0 0 1 0 0
99.5 0 0 1 3 2 2 1
99.0 0 0 2 0 2 5 1
98.5 0 0 0 0 3 0 0
98.0 0 0 0 1 1 8 0
97.5 0 0 0 0 1 0 0
97.0 0 0 2 3 4 3 0
96.5 0 0 0 1 1 1 0
96.0 0 1 0 2 4 3 0
95.5 0 1 0 4 2 6 0
95.0 0 0 0 2 2 0 0
94.5 0 0 0 1 3 3 1
94.0 0 0 0 0 0 0 0
93.5 0 0 2 3 6 4 1
93.0 0 0 3 2 5 4 0
92.5 0 0 1 0 4 8 0
92.0 0 0 0 1 9 3 1
91.5 0 0 0 2 2 1 0
91.0 0 0 1 1 9 7 0
90.5 0 0 0 2 1 1 0
90.0 0 0 1 1 6 5 0
89.5 0 0 0 1 3 2 0
89.0 0 0 1 3 4 3 0
88.5 0 0 0 4 7 5 0
88.0 0 0 1 2 4 1 0
87.5 0 0 0 2 8 6 2
87.0 0 0 0 1 1 5 1
86.5 0 0 0 5 4 7 0
86.0 0 0 0 0 5 11 0
85.5 0 0 1 2 2 3 1
85.0 0 0 0 3 6 8 0
84.5 0 0 0 0 3 2 0
84.0 0 0 1 3 6 10 0
83.5 0 0 1 1 3 7 0
83.0 0 0 3 4 4 4 0
82.5 0 0 1 3 7 10 0
82.0 0 0 1 0 1 5 0
81.5 0 0 2 6 6 16 0
81.0 0 0 0 1 4 2 1
80.5 0 0 1 4 3 12 0
80.0 0 0 0 4 9 2 0
79.5 0 0 2 3 5 11 0
79.0 0 0 1 3 4 7 2
78.5 0 0 0 2 2 0 0
78.0 0 0 2 6 7 8 1
77.5 0 0 0 0 3 6 0
77.0 0 0 1 6 10 13 0
76.5 0 0 1 0 8 7 0
76.0 0 0 1 1 3 9 1
75.5 0 0 3 0 4 10 0
75.0 0 0 1 0 3 6 0
74.5 0 1 0 7 8 11 2
74.0 0 0 0 2 9 2 0
73.5 0 0 0 2 9 7 0
73.0 0 0 0 2 4 10 0
72.5 0 0 0 3 11 10 0
72.0 0 0 1 5 5 13 2
71.5 0 0 2 1 4 8 0
71.0 0 1 4 5 4 8 0
70.5 0 0 0 1 6 7 1
70.0 0 1 1 5 7 5 0
69.5 0 1 0 1 7 7 0
69.0 0 0 0 1 7 5 0
68.5 0 1 0 2 4 4 0
68.0 0 0 0 1 5 7 0
67.5 0 0 1 1 5 7 0
67.0 0 0 2 2 3 6 1
66.5 0 0 0 1 6 9 0
66.0 0 0 1 1 8 5 0
65.5 0 0 0 0 5 6 0
65.0 0 0 1 5 8 7 0
64.5 0 1 1 1 3 5 0
64.0 0 0 2 1 8 8 0
63.5 0 0 1 2 3 3 0
63.0 0 0 0 1 4 5 0
62.5 0 0 1 1 8 5 0
62.0 0 0 1 3 4 6 0
61.5 0 0 0 2 6 4 0
61.0 0 1 0 0 6 5 0
60.5 0 0 0 1 3 3 0
60.0 0 0 0 2 3 7 1
59.5 0 0 1 2 2 4 0
59.0 0 0 1 4 2 7 0
58.5 0 0 1 1 1 5 0
58.0 0 0 1 2 3 4 0
57.5 0 0 0 0 8 0 0
57.0 0 1 0 2 4 1 0
56.5 0 0 1 0 2 3 1
56.0 0 0 0 0 0 6 0
55.5 0 0 0 1 1 4 1
55.0 0 0 0 1 3 3 0
54.5 0 0 1 1 3 2 0
54.0 0 2 0 2 6 3 0
53.5 0 0 1 0 2 1 0
53.0 0 0 0 1 3 3 0
52.5 0 0 0 0 3 5 0
52.0 0 0 0 1 5 1 0
51.5 0 0 0 0 4 1 0
51.0 0 0 0 1 2 2 0
50.5 0 0 0 2 4 3 0
50.0 0 0 0 1 0 1 0
49.5 0 0 0 0 2 3 0
49.0 0 0 0 1 1 1 0
48.5 0 0 0 2 1 1 0
48.0 0 1 0 0 3 2 0
47.5 0 0 0 0 2 2 0
47.0 0 0 1 1 0 1 0
46.5 0 0 0 4 1 1 0
46.0 0 0 0 0 0 0 0
45.5 0 0 0 0 3 0 0
45.0 0 0 0 0 0 2 0
44.5 0 0 0 0 0 2 1
44.0 0 0 0 1 0 2 0
43.5 0 0 1 0 1 1 0
43.0 0 0 0 0 2 1 0
42.5 0 0 0 0 0 0 0
42.0 0 0 0 1 1 1 0
41.5 0 0 0 0 0 0 0
41.0 0 0 0 0 0 0 0
40.5 0 0 0 0 0 1 0
40.0 0 0 0 0 1 0 0
39.5 0 0 0 1 0 0 0
39.0 0 0 0 0 1 0 0
38.5 0 0 0 0 1 0 0
38.0 0 0 1 0 0 0 0
37.5 0 0 0 0 1 0 0
37.0 0 0 0 0 1 0 0
36.5 0 0 0 0 0 2 0
36.0 0 0 0 0 4 0 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 0 0 0
33.5 0 0 0 0 0 0 0
33.0 0 0 1 0 0 1 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 2 1 0
29.5 0 0 0 0 0 0 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 0 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 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 0 0
23.5 0 0 0 0 1 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 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 0 1 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 A Results for North Carolina
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 0.56 1.96 0.80 4.33* 0.49 1.87 0.00
2 0.03 8.98* 0.10 0.67 0.01 0.19 0.00
3 0.50 2.42 0.25 4.41* 0.28 2.14 0.00
4 4.52* 0.13 0.22 3.46 0.12 1.56 0.00
5 0.54 5.79* 0.19 0.04 0.08 3.35 0.00
6 1.49 1.86 2.94* 0.55 0.82 2.34 0.00
7 1.44 2.32* 1.09 2.22 0.42 2.52 0.00
8 1.04 0.39 0.30 0.18 7.20* 0.89 0.00
9 2.28* 0.43 1.35 1.46 0.12 4.35 0.01
10 0.43 0.36 0.72 1.21 4.55* 2.74 0.00
11 0.18 0.08 0.14 0.20 7.20* 2.21 0.00
12 2.86* 2.76 0.19 0.76 0.91 2.52 0.00
13 6.19* 0.19 0.19 0.14 0.03 3.26 0.01
14 1.83* 1.47 0.41 0.98 1.18 4.12 0.00
15 0.71 1.77 4.58* 0.39 0.63 1.92 0.00
16 0.88 0.75 3.07* 0.15 0.76 4.40 0.00
17 0.46 0.78* 0.23 0.23 0.29 8.01 0.00
18 0.54 0.64* 0.18 0.56 0.53 7.55 0.00
19 0.17 0.22 0.40* 0.11 0.14 8.96 0.00
20 0.38 0.19 0.25 0.37 0.43* 8.38 0.00
21 0.61 0.61 0.97 2.01* 2.23 3.56 0.00
22 0.59 2.14* 0.47 0.19 0.09 6.52 0.00
23 0.22 0.25 0.77* 0.49 0.55 7.71 0.00
24 0.14 0.26 0.60 0.58 4.49* 3.94 0.00
25 0.12 0.39* 0.30 0.18 0.16 8.85 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 North Carolina
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 0 0 125.0 0 0 100.0 0 1
149.5 0 0 124.5 0 0 99.5 14 4
149.0 0 0 124.0 0 0 99.0 3 1
148.5 0 0 123.5 0 0 98.5 14 3
148.0 0 0 123.0 0 1 98.0 7 4
147.5 0 0 122.5 0 1 97.5 0 0
147.0 0 0 122.0 2 0 97.0 16 9
146.5 0 0 121.5 0 0 96.5 3 1
146.0 0 0 121.0 0 0 96.0 10 6
145.5 0 0 120.5 2 0 95.5 6 4
145.0 0 0 120.0 0 0 95.0 14 11
144.5 0 0 119.5 6 0 94.5 12 9
144.0 2 0 119.0 0 0 94.0 0 0
143.5 0 0 118.5 3 1 93.5 17 13
143.0 0 0 118.0 1 0 93.0 10 2
142.5 0 0 117.5 0 0 92.5 20 11
142.0 0 0 117.0 3 0 92.0 9 7
141.5 0 0 116.5 0 0 91.5 3 1
141.0 0 0 116.0 7 0 91.0 11 11
140.5 0 0 115.5 0 2 90.5 1 0
140.0 0 0 115.0 8 3 90.0 20 12
139.5 0 0 114.5 3 0 89.5 7 1
139.0 0 0 114.0 0 0 89.0 13 8
138.5 0 0 113.5 6 0 88.5 13 7
138.0 1 0 113.0 0 0 88.0 1 7
137.5 0 0 112.5 5 1 87.5 17 11
137.0 0 0 112.0 3 0 87.0 5 0
136.5 0 0 111.5 7 1 86.5 17 10
136.0 0 0 111.0 3 0 86.0 9 5
135.5 0 0 110.5 0 0 85.5 4 9
135.0 0 0 110.0 5 3 85.0 11 20
134.5 0 0 109.5 0 0 84.5 4 5
134.0 0 0 109.0 8 4 84.0 19 13
133.5 2 0 108.5 1 0 83.5 4 8
133.0 0 0 108.0 6 2 83.0 15 8
132.5 2 0 107.5 5 0 82.5 10 5
132.0 1 0 107.0 2 0 82.0 8 3
131.5 0 0 106.5 12 5 81.5 19 16
131.0 0 0 106.0 2 0 81.0 6 6
130.5 0 0 105.5 8 9 80.5 12 13
130.0 2 0 105.0 7 1 80.0 10 3
129.5 0 0 104.5 4 0 79.5 8 11
129.0 1 0 104.0 10 4 79.0 11 9
128.5 0 0 103.5 1 0 78.5 4 8
128.0 0 0 103.0 7 7 78.0 10 10
127.5 2 0 102.5 1 2 77.5 8 3
127.0 0 0 102.0 7 4 77.0 22 11
126.5 1 0 101.5 7 2 76.5 5 7
126.0 1 0 101.0 9 2 76.0 9 11
125.5 0 0 100.5 11 2 75.5 13 14
American Mathematics Competitions
2003 AMC 12 A Results for North Carolina
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 10 5 50.0 0 4 25.0 0 0
74.5 12 17 49.5 3 2 24.5 0 0
74.0 12 8 49.0 1 4 24.0 0 2
73.5 5 7 48.5 2 6 23.5 0 0
73.0 11 13 48.0 6 8 23.0 0 0
72.5 7 10 47.5 1 0 22.5 0 0
72.0 22 16 47.0 3 1 22.0 0 0
71.5 3 8 46.5 2 5 21.5 0 0
71.0 10 18 46.0 1 1 21.0 0 0
70.5 6 13 45.5 1 2 20.5 0 0
70.0 7 8 45.0 0 4 20.0 0 0
69.5 8 7 44.5 2 1 19.5 0 0
69.0 8 7 44.0 1 4 19.0 0 0
68.5 14 8 43.5 0 1 18.5 0 0
68.0 4 9 43.0 0 1 18.0 1 1
67.5 11 10 42.5 3 1 17.5 0 0
67.0 13 11 42.0 3 8 17.0 0 0
66.5 6 3 41.5 0 0 16.5 0 0
66.0 13 9 41.0 0 2 16.0 1 0
65.5 2 6 40.5 3 1 15.5 0 0
65.0 6 14 40.0 0 1 15.0 0 0
64.5 10 11 39.5 0 0 14.5 0 0
64.0 7 7 39.0 1 3 14.0 0 0
63.5 5 7 38.5 0 1 13.5 0 0
63.0 10 6 38.0 1 0 13.0 0 0
62.5 7 3 37.5 0 0 12.5 0 0
62.0 2 11 37.0 0 1 12.0 1 0
61.5 4 7 36.5 1 0 11.5 0 0
61.0 5 10 36.0 2 3 11.0 0 0
60.5 8 12 35.5 0 1 10.5 0 0
60.0 8 9 35.0 0 0 10.0 0 0
59.5 9 12 34.5 0 1 9.5 0 0
59.0 3 7 34.0 2 0 9.0 0 0
58.5 0 9 33.5 0 1 8.5 0 0
58.0 2 3 33.0 0 0 8.0 0 0
57.5 8 5 32.5 0 0 7.5 0 0
57.0 1 3 32.0 0 1 7.0 0 0
56.5 2 9 31.5 0 0 6.5 0 0
56.0 3 8 31.0 0 1 6.0 0 0
55.5 2 4 30.5 2 1 5.5 0 0
55.0 4 4 30.0 4 0 5.0 0 0
54.5 4 3 29.5 0 0 4.5 0 0
54.0 5 10 29.0 0 1 4.0 0 0
53.5 7 4 28.5 0 0 3.5 0 0
53.0 2 4 28.0 0 0 3.0 0 0
52.5 4 8 27.5 0 0 2.5 0 0
52.0 1 3 27.0 0 0 2.0 0 0
51.5 2 2 26.5 0 1 1.5 0 0
51.0 0 4 26.0 0 0 1.0 0 0
50.5 6 3 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 A Results for North Carolina
SCORE DISTRIBUTION
score -----------grade-----------
5 6 7 8 9 10 11 12 13 unknown
---------------------------
150.0 0 0 0 0 0 0 0 0 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 1 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 0 0 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 1 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 0 0 0 0
134.0 0 0 0 0 0 0 0 0 0 0
133.5 0 0 0 1 0 0 0 1 0 0
133.0 0 0 0 0 0 0 0 0 0 0
132.5 0 0 0 0 0 0 2 0 0 0
132.0 0 0 0 0 0 1 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 0 0 0
130.5 0 0 0 0 0 0 0 0 0 0
130.0 0 0 0 0 0 1 0 1 0 0
129.5 0 0 0 0 0 0 0 0 0 0
129.0 0 0 0 0 0 1 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 0 0 0 2 0 0
127.0 0 0 0 0 0 0 0 0 0 0
126.5 0 0 0 0 0 0 0 1 0 0
126.0 0 0 0 0 0 0 1 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 0 1 0 0 0 0
122.5 0 0 0 0 0 0 0 1 0 0
122.0 0 0 0 0 0 0 1 1 0 0
121.5 0 0 0 0 0 0 0 0 0 0
121.0 0 0 0 0 0 0 0 0 0 0
120.5 0 0 0 0 0 0 1 1 0 0
120.0 0 0 0 0 0 0 0 0 0 0
119.5 0 0 0 0 0 0 2 4 0 0
119.0 0 0 0 0 0 0 0 0 0 0
118.5 0 0 0 0 0 0 2 2 0 0
118.0 0 0 0 0 0 0 1 0 0 1
117.5 0 0 0 0 0 0 0 0 0 0
117.0 0 0 0 0 0 0 1 2 0 0
116.5 0 0 0 0 0 0 0 0 0 0
116.0 0 0 0 0 0 1 3 3 0 0
115.5 0 0 0 0 0 0 1 1 0 0
115.0 0 0 0 0 0 0 4 7 0 3
114.5 0 0 0 0 0 0 1 2 0 0
114.0 0 0 0 0 0 0 0 0 0 0
113.5 0 0 0 0 0 0 3 3 0 0
113.0 0 0 0 0 0 0 1 0 0 0
112.5 0 0 0 0 0 1 4 1 0 0
112.0 0 0 0 0 0 0 2 1 0 0
111.5 0 0 0 0 0 0 3 5 0 0
111.0 0 0 0 0 0 0 2 1 0 0
110.5 0 0 0 0 0 0 0 0 0 0
110.0 0 0 0 0 0 2 2 4 0 0
109.5 0 0 0 0 0 0 0 0 0 0
109.0 0 0 0 0 0 0 2 10 0 0
108.5 0 0 0 0 0 0 0 1 0 0
108.0 0 0 0 0 0 0 3 5 0 2
107.5 0 0 0 0 0 0 2 4 0 0
107.0 0 0 0 0 0 0 1 1 0 0
106.5 0 0 0 0 1 1 8 8 0 0
106.0 0 0 0 0 0 1 2 0 0 0
105.5 0 0 0 0 0 0 8 9 0 0
105.0 0 0 0 0 1 1 2 5 0 0
104.5 0 0 0 0 0 0 3 1 0 0
104.0 0 0 0 0 1 1 6 6 0 0
103.5 0 0 0 0 0 0 1 0 0 0
103.0 0 0 0 0 0 1 7 6 0 0
102.5 0 0 0 0 0 1 3 0 0 0
102.0 0 0 0 0 0 0 3 8 0 0
101.5 0 0 0 0 0 0 5 5 0 1
101.0 0 0 0 0 1 0 4 6 0 0
100.5 0 0 0 0 0 1 6 6 0 0
100.0 0 0 0 0 0 0 0 1 0 0
99.5 0 0 0 0 0 1 12 5 0 0
99.0 0 0 0 0 0 0 1 3 0 0
98.5 0 0 0 0 0 1 8 8 0 0
98.0 0 0 0 0 0 1 7 4 0 0
97.5 0 0 0 0 0 0 0 0 0 0
97.0 0 0 0 0 0 3 12 10 0 1
96.5 0 0 0 0 0 0 4 0 0 0
96.0 0 0 0 0 0 1 8 7 0 2
95.5 0 0 0 0 0 0 4 6 0 0
95.0 0 0 0 1 1 2 11 10 0 0
94.5 0 0 0 0 0 2 16 5 0 0
94.0 0 0 0 0 0 0 0 0 0 0
93.5 0 0 0 0 1 1 15 14 0 0
93.0 0 0 0 0 0 2 5 5 0 0
92.5 0 0 0 0 0 4 17 12 0 0
92.0 0 0 0 0 0 2 6 9 0 0
91.5 0 0 0 0 0 0 1 3 0 0
91.0 0 0 0 0 0 2 10 10 0 1
90.5 0 0 0 0 0 0 0 1 0 0
90.0 0 0 0 0 0 1 11 20 0 0
89.5 0 0 0 0 0 1 3 4 0 0
89.0 0 0 0 0 0 3 11 10 0 0
88.5 0 0 0 0 0 0 12 9 0 0
88.0 0 0 0 0 0 0 5 3 0 0
87.5 0 0 0 0 0 1 14 15 0 3
87.0 0 0 0 0 1 0 2 2 0 0
86.5 0 0 0 0 1 1 12 13 0 0
86.0 0 0 0 0 0 0 10 4 0 0
85.5 0 0 0 0 0 0 7 6 0 1
85.0 0 0 0 0 0 0 17 16 0 0
84.5 0 0 0 0 0 0 3 5 0 1
84.0 0 0 0 0 0 5 12 15 0 1
83.5 0 0 0 0 1 0 5 7 0 0
83.0 0 0 0 0 0 0 15 11 0 0
82.5 0 0 0 0 0 1 9 6 0 0
82.0 0 0 0 0 0 0 7 4 0 0
81.5 0 0 0 0 0 1 18 16 0 1
81.0 0 0 0 0 0 1 7 3 1 0
80.5 0 0 0 0 0 0 9 16 0 0
80.0 0 0 0 0 0 1 7 5 0 0
79.5 0 0 0 0 0 1 9 9 0 0
79.0 0 0 0 0 0 0 15 9 0 1
78.5 0 0 0 0 0 1 6 5 0 1
78.0 0 0 0 0 0 0 13 7 0 0
77.5 0 0 0 0 0 1 6 5 0 0
77.0 0 0 0 0 0 1 22 11 0 0
76.5 0 0 0 0 0 0 10 2 0 0
76.0 0 0 0 0 0 0 10 10 0 1
75.5 0 0 0 0 0 4 15 8 0 0
75.0 0 0 0 0 0 0 10 5 0 0
74.5 0 0 0 0 0 1 14 16 0 1
74.0 0 0 0 0 0 1 10 10 0 0
73.5 0 0 0 0 0 0 8 4 0 0
73.0 0 0 0 0 0 2 13 11 0 0
72.5 0 0 0 0 0 0 12 5 0 0
72.0 0 0 0 0 0 1 21 18 0 1
71.5 0 0 0 0 0 1 5 5 0 0
71.0 0 0 0 0 0 0 11 17 0 0
70.5 0 0 0 0 0 0 13 6 0 0
70.0 0 0 0 0 1 2 7 5 0 0
69.5 0 0 0 0 0 0 8 7 0 1
69.0 0 0 0 0 0 0 8 7 0 0
68.5 0 0 0 0 0 0 16 8 0 0
68.0 0 0 0 0 1 2 4 6 0 0
67.5 0 0 0 0 0 0 15 7 0 0
67.0 0 0 0 0 0 1 14 9 0 0
66.5 0 0 0 0 0 1 5 4 0 0
66.0 0 0 0 0 0 4 12 7 0 0
65.5 0 0 0 0 0 0 6 2 0 0
65.0 0 0 0 0 0 1 12 7 0 0
64.5 0 0 0 0 0 1 8 13 0 0
64.0 0 0 0 0 0 0 6 8 0 0
63.5 0 0 0 0 0 1 11 1 0 0
63.0 0 0 0 0 1 0 12 5 0 1
62.5 0 0 0 0 0 0 10 0 0 1
62.0 0 0 0 0 0 1 8 4 0 0
61.5 0 0 0 0 0 1 9 2 0 0
61.0 0 0 0 0 0 1 9 5 0 0
60.5 0 0 0 0 0 1 12 9 0 0
60.0 0 0 0 0 0 1 10 6 0 0
59.5 0 0 0 0 0 0 11 10 0 1
59.0 0 0 0 0 0 0 8 2 0 0
58.5 0 0 0 0 0 0 4 6 0 0
58.0 0 0 0 0 0 0 2 3 0 0
57.5 0 0 0 0 0 0 6 6 0 1
57.0 0 0 0 0 0 0 2 2 0 0
56.5 0 0 0 0 0 1 5 4 0 1
56.0 0 0 0 0 0 0 6 6 0 0
55.5 0 0 0 0 0 0 2 4 0 0
55.0 0 0 0 0 0 0 4 4 0 0
54.5 0 0 0 0 0 1 7 1 0 0
54.0 0 0 0 0 0 0 8 8 0 0
53.5 0 0 0 0 0 1 10 1 0 0
53.0 0 0 0 0 0 1 5 0 0 0
52.5 0 0 0 0 0 0 6 6 0 0
52.0 0 0 0 0 0 0 4 0 0 0
51.5 0 0 0 0 0 0 1 3 0 0
51.0 0 0 0 0 0 0 3 1 0 0
50.5 0 0 0 0 0 1 6 2 0 0
50.0 0 0 0 0 0 0 3 1 0 0
49.5 0 0 0 0 0 0 6 0 0 0
49.0 0 0 0 0 0 0 4 2 0 0
48.5 0 0 0 0 0 0 6 2 0 0
48.0 0 0 0 0 0 1 5 8 0 0
47.5 0 0 0 0 0 0 1 0 0 0
47.0 0 0 0 0 0 0 3 1 0 0
46.5 0 0 0 0 0 0 5 2 0 0
46.0 0 0 0 0 0 0 2 0 0 0
45.5 0 0 0 0 0 0 1 2 0 0
45.0 0 0 0 0 0 0 2 2 0 0
44.5 0 0 0 0 0 0 3 0 0 0
44.0 0 0 0 0 0 0 5 0 0 0
43.5 0 0 0 0 0 0 0 1 0 0
43.0 0 0 0 0 0 0 0 1 0 0
42.5 0 0 0 0 0 0 3 1 0 0
42.0 0 0 0 0 0 0 7 4 0 1
41.5 0 0 0 0 0 0 0 0 0 0
41.0 0 0 0 0 0 0 0 2 0 0
40.5 0 0 0 0 0 0 4 0 0 0
40.0 0 0 0 0 0 0 0 1 0 0
39.5 0 0 0 0 0 0 1 0 0 0
39.0 0 0 0 0 0 0 1 3 0 0
38.5 0 0 0 0 0 0 1 0 0 0
38.0 0 0 0 0 0 0 0 1 0 0
37.5 0 0 0 0 0 0 1 0 0 0
37.0 0 0 0 0 0 0 1 0 0 0
36.5 0 0 0 0 0 0 1 0 0 0
36.0 0 0 0 0 0 0 3 2 0 0
35.5 0 0 0 0 0 0 0 1 0 0
35.0 0 0 0 0 0 0 0 0 0 0
34.5 0 0 0 0 0 0 0 1 0 0
34.0 0 0 0 0 0 1 1 0 0 0
33.5 0 0 0 0 0 0 1 0 0 0
33.0 0 0 0 0 0 0 0 0 0 0
32.5 0 0 0 0 0 0 0 0 0 0
32.0 0 0 0 0 0 0 1 0 0 0
31.5 0 0 0 0 0 0 0 0 0 0
31.0 0 0 0 0 0 0 1 0 0 0
30.5 0 0 0 0 0 0 1 2 0 0
30.0 0 0 0 0 0 0 2 2 0 0
29.5 0 0 0 0 0 0 0 0 0 0
29.0 0 0 0 0 0 0 1 1 0 0
28.5 0 0 0 0 0 0 0 0 0 0
28.0 0 0 0 0 0 0 0 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 1 0 0
26.0 0 0 0 0 0 0 0 0 0 0
25.5 0 0 0 0 0 0 0 0 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 1 0 1
23.5 0 0 0 0 0 0 0 0 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 1 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 1 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 1 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 North Carolina
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 0.44 1.46 0.63 5.73* 0.40 1.34 0.00
2 0.01 9.09* 0.09 0.61 0.01 0.18 0.00
3 0.33 2.47 0.27 5.54* 0.22 1.16 0.00
4 5.82* 0.12 0.19 2.90 0.06 0.91 0.00
5 0.20 0.07 0.08 0.16 8.28* 1.20 0.00
6 1.19 2.23 4.21* 0.40 0.46 1.51 0.00
7 1.73 2.40* 0.87 2.11 0.28 2.61 0.00
8 0.70 0.34 0.22 0.23 7.79* 0.72 0.00
9 0.33 0.68 1.65 4.01* 0.21 3.12 0.00
10 0.52 0.77 0.43 3.98* 0.17 4.13 0.00
11 0.76 0.67 1.61* 0.45 0.85 5.67 0.00
12 0.07 0.23 0.51 0.46 6.62* 2.11 0.00
13 0.39 0.36 0.75 1.23 5.11* 2.16 0.00
14 0.70 0.44 0.42 4.97* 1.05 2.42 0.00
15 0.39 0.29 0.92* 0.17 0.32 7.90 0.00
16 0.61 0.53 4.12* 0.41 0.92 3.41 0.00
17 0.65 1.07* 0.40 0.75 0.28 6.85 0.00
18 0.21 0.50* 0.24 0.16 0.23 8.66 0.00
19 0.70 0.64 1.31 1.44* 0.57 5.34 0.00
20 0.51* 0.28 0.61 1.37 0.10 7.13 0.00
21 0.92 0.40 0.25 0.81* 1.33 6.29 0.00
22 0.66 0.62 0.44* 0.66 0.17 7.45 0.00
23 0.26 0.42* 0.21 0.17 0.23 8.70 0.00
24 0.17 1.87* 0.87 0.17 0.20 6.71 0.00
25 0.77 0.36 0.20* 0.08 1.83 6.76 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 North Carolina
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 0 0 125.0 0 0 100.0 3 1
149.5 0 0 124.5 0 0 99.5 3 3
149.0 0 0 124.0 0 0 99.0 5 0
148.5 0 0 123.5 0 0 98.5 3 4
148.0 0 0 123.0 0 0 98.0 3 2
147.5 0 0 122.5 1 0 97.5 3 1
147.0 0 0 122.0 0 0 97.0 3 8
146.5 0 0 121.5 1 0 96.5 2 2
146.0 0 0 121.0 0 0 96.0 5 2
145.5 0 0 120.5 0 0 95.5 5 0
145.0 0 0 120.0 0 0 95.0 6 4
144.5 0 0 119.5 1 0 94.5 4 7
144.0 0 0 119.0 0 0 94.0 7 3
143.5 0 0 118.5 0 0 93.5 7 6
143.0 0 0 118.0 1 0 93.0 5 2
142.5 0 0 117.5 0 0 92.5 4 6
142.0 0 0 117.0 1 0 92.0 5 2
141.5 0 0 116.5 0 0 91.5 1 3
141.0 0 0 116.0 2 0 91.0 10 6
140.5 0 1 115.5 1 0 90.5 2 5
140.0 0 0 115.0 1 0 90.0 8 5
139.5 0 0 114.5 2 0 89.5 1 0
139.0 0 0 114.0 0 0 89.0 7 1
138.5 0 0 113.5 3 0 88.5 3 5
138.0 0 0 113.0 0 0 88.0 7 6
137.5 0 0 112.5 3 0 87.5 8 4
137.0 0 0 112.0 0 0 87.0 6 2
136.5 0 0 111.5 2 0 86.5 7 5
136.0 0 0 111.0 2 2 86.0 5 2
135.5 0 0 110.5 0 0 85.5 5 5
135.0 0 0 110.0 2 2 85.0 9 5
134.5 0 0 109.5 2 0 84.5 2 1
134.0 0 0 109.0 0 0 84.0 8 10
133.5 1 0 108.5 7 1 83.5 6 2
133.0 0 0 108.0 0 1 83.0 4 5
132.5 1 0 107.5 3 0 82.5 7 2
132.0 0 0 107.0 0 0 82.0 7 5
131.5 0 0 106.5 2 3 81.5 2 4
131.0 0 0 106.0 3 1 81.0 2 3
130.5 0 0 105.5 4 1 80.5 4 10
130.0 0 0 105.0 2 1 80.0 4 1
129.5 0 0 104.5 1 2 79.5 4 5
129.0 0 1 104.0 4 7 79.0 8 5
128.5 0 0 103.5 6 0 78.5 6 6
128.0 0 0 103.0 6 3 78.0 6 5
127.5 1 0 102.5 0 0 77.5 3 4
127.0 0 0 102.0 2 0 77.0 7 7
126.5 2 0 101.5 1 1 76.5 6 2
126.0 0 0 101.0 1 0 76.0 4 4
125.5 0 0 100.5 4 2 75.5 4 8
American Mathematics Competitions
2003 AMC 10 B Results for North Carolina
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 3 2 50.0 0 0 25.0 0 0
74.5 3 3 49.5 1 2 24.5 0 0
74.0 6 7 49.0 2 3 24.0 0 0
73.5 5 6 48.5 0 0 23.5 0 0
73.0 5 4 48.0 1 0 23.0 0 0
72.5 5 6 47.5 0 0 22.5 0 0
72.0 4 6 47.0 1 1 22.0 0 0
71.5 4 7 46.5 1 0 21.5 0 0
71.0 4 4 46.0 2 1 21.0 0 0
70.5 2 3 45.5 0 0 20.5 0 0
70.0 0 3 45.0 0 1 20.0 0 0
69.5 6 5 44.5 1 0 19.5 0 0
69.0 4 4 44.0 0 1 19.0 0 0
68.5 8 3 43.5 0 1 18.5 0 0
68.0 4 3 43.0 0 1 18.0 0 0
67.5 2 4 42.5 1 1 17.5 0 0
67.0 0 3 42.0 0 0 17.0 0 0
66.5 1 3 41.5 0 0 16.5 0 0
66.0 2 4 41.0 1 0 16.0 0 0
65.5 4 0 40.5 0 0 15.5 0 0
65.0 1 5 40.0 0 1 15.0 0 0
64.5 2 1 39.5 0 1 14.5 0 0
64.0 5 0 39.0 0 0 14.0 0 0
63.5 4 10 38.5 0 0 13.5 0 0
63.0 2 2 38.0 0 0 13.0 0 0
62.5 1 2 37.5 0 0 12.5 0 0
62.0 4 4 37.0 0 0 12.0 0 0
61.5 6 1 36.5 0 0 11.5 0 0
61.0 1 5 36.0 0 0 11.0 0 0
60.5 0 0 35.5 0 1 10.5 0 0
60.0 2 3 35.0 1 0 10.0 0 0
59.5 4 0 34.5 1 0 9.5 0 0
59.0 1 0 34.0 0 1 9.0 0 0
58.5 0 2 33.5 0 0 8.5 0 0
58.0 2 2 33.0 0 0 8.0 0 0
57.5 3 2 32.5 0 0 7.5 0 0
57.0 1 1 32.0 0 0 7.0 0 0
56.5 3 3 31.5 0 0 6.5 0 0
56.0 2 5 31.0 0 0 6.0 0 0
55.5 1 0 30.5 0 0 5.5 0 0
55.0 2 1 30.0 0 1 5.0 0 0
54.5 0 1 29.5 0 0 4.5 0 0
54.0 1 3 29.0 0 2 4.0 0 0
53.5 0 1 28.5 0 0 3.5 0 0
53.0 0 3 28.0 0 1 3.0 0 0
52.5 1 2 27.5 0 0 2.5 0 0
52.0 0 3 27.0 0 0 2.0 0 0
51.5 1 0 26.5 0 0 1.5 0 0
51.0 1 2 26.0 0 0 1.0 0 0
50.5 0 2 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 10 B Results for North Carolina
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 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 1 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 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 0 1 0 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 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 1 0
128.5 0 0 0 0 0 0 0
128.0 0 0 0 0 0 0 0
127.5 0 0 0 0 1 0 0
127.0 0 0 0 0 0 0 0
126.5 0 0 0 0 0 2 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 0 0
124.5 0 0 0 0 0 0 0
124.0 0 0 0 0 0 0 0
123.5 0 0 0 0 0 0 0
123.0 0 0 0 0 0 0 0
122.5 0 0 0 1 0 0 0
122.0 0 0 0 0 0 0 0
121.5 0 0 0 1 0 0 0
121.0 0 0 0 0 0 0 0
120.5 0 0 0 0 0 1 0
120.0 0 0 0 0 0 0 0
119.5 0 0 0 0 0 2 0
119.0 0 0 0 0 0 0 0
118.5 0 0 0 0 0 0 0
118.0 0 0 1 0 0 0 0
117.5 0 0 0 0 0 0 0
117.0 0 0 0 0 1 0 0
116.5 0 0 0 0 0 0 0
116.0 0 0 0 0 0 2 0
115.5 0 0 0 0 0 1 0
115.0 0 0 0 0 0 1 0
114.5 0 0 0 0 1 1 0
114.0 0 0 0 0 0 0 0
113.5 0 0 0 0 0 3 0
113.0 0 0 0 0 0 0 0
112.5 0 0 0 0 1 2 1
112.0 0 0 0 0 0 0 0
111.5 0 0 0 0 2 1 0
111.0 0 0 0 0 4 0 1
110.5 0 0 0 0 0 0 0
110.0 0 0 1 0 2 1 0
109.5 0 0 0 0 1 1 0
109.0 0 0 0 0 0 0 0
108.5 0 0 0 1 4 3 0
108.0 0 0 0 0 0 1 0
107.5 0 0 0 0 0 3 0
107.0 0 0 0 0 0 0 0
106.5 0 1 0 0 0 4 1
106.0 0 0 0 0 1 3 0
105.5 0 0 0 0 2 3 0
105.0 0 0 0 0 2 1 0
104.5 0 0 0 1 2 0 0
104.0 0 0 0 0 6 5 0
103.5 0 0 0 2 2 3 0
103.0 0 2 0 0 3 4 0
102.5 0 0 0 0 0 0 0
102.0 0 0 0 1 0 1 0
101.5 0 0 0 0 2 1 1
101.0 0 0 0 0 0 1 0
100.5 0 0 0 1 2 4 0
100.0 0 0 0 0 1 4 0
99.5 0 0 0 1 2 3 1
99.0 0 0 0 0 0 5 0
98.5 0 0 0 0 6 2 0
98.0 0 0 0 0 1 4 0
97.5 0 0 0 0 1 3 0
97.0 0 0 1 0 0 9 2
96.5 0 0 0 1 2 2 2
96.0 0 1 0 3 1 4 0
95.5 0 0 0 1 2 2 0
95.0 0 0 0 2 3 7 3
94.5 0 0 1 0 4 6 0
94.0 0 0 1 2 1 6 0
93.5 0 0 1 2 4 8 1
93.0 0 0 1 0 2 5 0
92.5 0 0 0 1 5 5 0
92.0 0 0 0 2 2 3 0
91.5 0 0 0 0 0 4 0
91.0 0 0 0 2 6 8 0
90.5 0 0 1 1 1 4 0
90.0 0 0 1 2 8 4 1
89.5 0 0 0 0 1 0 0
89.0 0 0 0 1 5 4 1
88.5 0 0 0 2 1 4 1
88.0 0 0 2 2 4 5 0
87.5 0 0 2 0 3 7 1
87.0 0 0 1 3 1 3 0
86.5 0 0 1 2 3 6 0
86.0 0 0 0 0 4 6 0
85.5 0 0 0 1 5 5 1
85.0 0 0 2 1 4 8 0
84.5 0 0 0 1 3 0 0
84.0 0 0 1 0 6 11 3
83.5 0 0 1 0 4 3 2
83.0 0 0 0 4 0 5 0
82.5 0 0 0 2 2 5 0
82.0 0 0 1 0 5 7 0
81.5 0 0 1 2 0 3 1
81.0 0 0 1 3 1 1 2
80.5 0 0 0 2 7 5 0
80.0 0 0 0 1 1 3 0
79.5 0 0 0 0 3 5 1
79.0 0 0 1 1 6 5 1
78.5 0 0 0 2 4 6 0
78.0 0 0 0 3 2 6 3
77.5 0 1 0 0 2 4 0
77.0 0 0 0 0 11 5 0
76.5 0 0 2 0 4 2 0
76.0 0 0 0 1 4 3 3
75.5 0 0 1 2 2 9 0
75.0 0 0 0 0 3 2 1
74.5 0 0 0 1 1 4 0
74.0 0 0 0 1 4 8 0
73.5 0 0 0 1 5 6 0
73.0 0 0 1 0 5 3 1
72.5 0 0 2 2 5 3 0
72.0 0 0 0 1 5 5 1
71.5 0 0 0 2 3 5 3
71.0 0 0 0 0 3 5 1
70.5 0 0 0 0 3 3 0
70.0 0 0 0 1 1 1 1
69.5 0 0 1 1 4 5 0
69.0 0 0 0 3 1 4 1
68.5 0 0 0 1 4 7 0
68.0 0 0 0 1 4 2 0
67.5 0 0 0 0 3 3 0
67.0 0 0 0 1 0 1 1
66.5 0 0 0 0 3 1 0
66.0 0 1 0 1 2 2 1
65.5 0 0 0 0 3 1 0
65.0 0 0 0 0 3 3 0
64.5 0 0 0 1 1 3 0
64.0 0 0 2 1 1 1 1
63.5 0 0 0 3 4 7 0
63.0 0 0 0 1 1 2 0
62.5 0 0 0 0 1 3 4
62.0 0 1 0 1 3 3 0
61.5 0 0 1 0 5 1 0
61.0 0 0 0 0 2 4 0
60.5 0 0 0 0 0 0 1
60.0 0 1 0 1 2 2 0
59.5 0 0 1 1 2 0 0
59.0 0 0 0 0 0 1 0
58.5 0 0 0 0 1 1 0
58.0 0 0 0 2 0 2 0
57.5 0 0 0 0 3 2 1
57.0 0 0 0 0 2 1 0
56.5 0 0 0 0 4 2 0
56.0 0 0 0 2 2 4 0
55.5 0 0 0 0 0 1 0
55.0 0 0 0 0 1 2 0
54.5 0 0 0 0 1 0 0
54.0 0 0 0 0 4 1 0
53.5 0 0 0 0 1 0 0
53.0 0 0 0 0 2 1 0
52.5 0 0 0 0 1 2 0
52.0 0 0 0 1 1 1 0
51.5 0 0 0 0 0 1 0
51.0 0 0 0 0 1 1 1
50.5 0 0 0 1 0 1 0
50.0 0 0 0 0 0 0 1
49.5 0 0 0 0 0 3 0
49.0 0 0 1 0 3 1 0
48.5 0 0 0 0 0 0 0
48.0 0 0 0 0 0 1 0
47.5 0 0 0 0 0 0 0
47.0 0 0 0 0 1 1 0
46.5 0 0 0 1 0 0 0
46.0 0 0 0 0 2 1 0
45.5 0 0 0 0 0 0 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 1 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 2 0
42.0 0 0 0 0 0 0 0
41.5 0 0 0 0 0 0 0
41.0 0 0 0 0 0 1 0
40.5 0 0 0 0 0 0 0
40.0 0 0 0 1 0 0 0
39.5 0 0 0 0 1 0 0
39.0 0 0 0 0 0 0 0
38.5 0 0 0 0 0 0 0
38.0 0 0 0 0 0 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 0 0 0 0
35.5 0 0 0 0 0 1 0
35.0 0 0 0 0 1 0 0
34.5 0 0 0 0 0 1 0
34.0 0 0 0 0 1 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 1 0 0
29.5 0 0 0 0 0 0 0
29.0 0 0 0 1 1 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 0 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 0 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 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 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 North Carolina
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 0.07 9.73* 0.07 0.01 0.10 0.00
2 0.03 0.07 1.05 8.17* 0.32 0.36 0.00
3 0.20 7.32* 0.53 0.56 0.04 1.35 0.00
4 8.76* 0.19 0.17 0.06 0.11 0.71 0.00
5 0.28 0.32 4.06* 0.70 1.56 3.09 0.00
6 1.07 1.56 0.27 4.29* 0.51 2.30 0.00
7 0.48 5.84* 0.27 0.87 0.18 2.36 0.00
8 0.24 1.08* 0.36 0.84 0.51 6.97 0.00
9 0.24 3.31* 0.34 0.36 0.36 5.39 0.00
10 0.21 0.43 3.45* 1.22 0.45 4.24 0.00
11 6.03* 0.53 0.24 0.19 0.81 2.20 0.00
12 0.51 0.57 6.25* 0.14 0.29 2.25 0.00
13 2.64 0.68 0.32 0.85 1.30* 4.21 0.00
14 1.06 0.45 0.25 3.58* 0.15 4.51 0.00
15 1.52 2.00 0.28 0.90 2.93* 2.38 0.00
16 0.17 0.22 0.40 0.58 5.39* 3.23 0.00
17 0.22 1.65* 1.00 0.31 0.10 6.72 0.00
18 0.42 1.50 0.29 2.06* 1.86 3.88 0.00
19 0.24 0.30 0.45 0.50 0.47* 8.05 0.00
20 0.31 0.29 0.45 1.96* 1.16 5.84 0.00
21 1.97 0.35 0.56* 1.29 0.55 5.26 0.01
22 1.42 2.31* 1.93 0.64 0.40 3.30 0.00
23 0.33 0.47 0.51 1.13* 0.39 7.16 0.01
24 0.07 0.13 1.72 0.17 0.05* 7.86 0.00
25 0.85 2.67* 1.07 0.37 0.28 4.76 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 North Carolina
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 0 0
149.5 0 0 124.5 0 0 99.5 3 2
149.0 0 0 124.0 1 0 99.0 0 0
148.5 0 0 123.5 0 0 98.5 6 1
148.0 0 0 123.0 1 1 98.0 1 0
147.5 0 0 122.5 0 0 97.5 1 0
147.0 0 0 122.0 0 0 97.0 2 0
146.5 0 0 121.5 0 0 96.5 0 0
146.0 0 0 121.0 0 0 96.0 2 1
145.5 0 0 120.5 0 0 95.5 0 1
145.0 0 0 120.0 0 0 95.0 5 0
144.5 0 0 119.5 0 0 94.5 1 2
144.0 0 0 119.0 0 0 94.0 1 0
143.5 0 0 118.5 1 0 93.5 5 2
143.0 0 0 118.0 0 0 93.0 2 1
142.5 0 0 117.5 0 0 92.5 1 2
142.0 0 0 117.0 0 0 92.0 6 2
141.5 0 0 116.5 0 0 91.5 2 3
141.0 0 0 116.0 1 0 91.0 2 0
140.5 0 0 115.5 0 0 90.5 0 2
140.0 0 0 115.0 0 0 90.0 7 7
139.5 1 0 114.5 0 0 89.5 0 1
139.0 0 0 114.0 0 0 89.0 8 8
138.5 0 0 113.5 2 0 88.5 3 0
138.0 0 0 113.0 0 0 88.0 3 2
137.5 0 0 112.5 1 0 87.5 4 4
137.0 0 0 112.0 0 0 87.0 0 0
136.5 0 0 111.5 0 1 86.5 5 4
136.0 0 0 111.0 1 1 86.0 4 0
135.5 0 0 110.5 0 0 85.5 2 5
135.0 0 0 110.0 0 0 85.0 2 2
134.5 0 0 109.5 0 0 84.5 6 5
134.0 0 0 109.0 3 0 84.0 8 3
133.5 0 0 108.5 0 0 83.5 2 0
133.0 0 0 108.0 3 0 83.0 4 7
132.5 0 0 107.5 1 1 82.5 0 1
132.0 0 0 107.0 0 0 82.0 4 3
131.5 0 0 106.5 1 1 81.5 8 4
131.0 0 0 106.0 0 0 81.0 4 1
130.5 0 0 105.5 6 1 80.5 6 8
130.0 1 0 105.0 0 0 80.0 3 1
129.5 0 0 104.5 4 0 79.5 4 4
129.0 0 0 104.0 3 0 79.0 3 3
128.5 0 0 103.5 0 0 78.5 9 6
128.0 0 0 103.0 3 1 78.0 11 12
127.5 3 0 102.5 0 0 77.5 8 1
127.0 0 0 102.0 2 4 77.0 10 11
126.5 0 0 101.5 0 0 76.5 1 2
126.0 1 0 101.0 0 1 76.0 9 11
125.5 1 0 100.5 2 3 75.5 6 7
American Mathematics Competitions
2003 AMC 12 B Results for North Carolina
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 4 8 50.0 2 1 25.0 0 0
74.5 12 6 49.5 1 1 24.5 0 0
74.0 4 4 49.0 0 2 24.0 1 0
73.5 10 7 48.5 1 1 23.5 0 0
73.0 3 6 48.0 2 3 23.0 0 0
72.5 6 10 47.5 1 0 22.5 0 0
72.0 4 6 47.0 2 2 22.0 0 0
71.5 1 4 46.5 1 1 21.5 0 0
71.0 7 5 46.0 1 0 21.0 0 0
70.5 6 3 45.5 1 0 20.5 0 0
70.0 4 6 45.0 0 1 20.0 0 0
69.5 6 6 44.5 0 3 19.5 0 0
69.0 8 5 44.0 0 1 19.0 0 0
68.5 5 8 43.5 0 0 18.5 0 0
68.0 5 2 43.0 0 0 18.0 1 0
67.5 8 5 42.5 0 1 17.5 0 0
67.0 3 5 42.0 2 2 17.0 0 0
66.5 7 9 41.5 3 1 16.5 0 0
66.0 11 7 41.0 0 2 16.0 0 0
65.5 3 5 40.5 0 0 15.5 0 0
65.0 6 10 40.0 0 0 15.0 0 0
64.5 2 5 39.5 0 0 14.5 0 0
64.0 6 9 39.0 0 0 14.0 0 0
63.5 4 4 38.5 1 0 13.5 0 0
63.0 3 1 38.0 0 0 13.0 0 0
62.5 7 6 37.5 0 2 12.5 0 0
62.0 1 3 37.0 2 0 12.0 0 0
61.5 4 6 36.5 1 0 11.5 0 0
61.0 2 3 36.0 1 1 11.0 0 0
60.5 2 4 35.5 0 0 10.5 0 0
60.0 2 8 35.0 0 0 10.0 0 0
59.5 1 3 34.5 0 0 9.5 0 0
59.0 1 1 34.0 0 0 9.0 0 0
58.5 1 3 33.5 0 0 8.5 0 0
58.0 2 4 33.0 1 0 8.0 0 0
57.5 2 1 32.5 1 0 7.5 0 0
57.0 2 5 32.0 0 0 7.0 0 0
56.5 2 3 31.5 0 0 6.5 0 0
56.0 1 1 31.0 0 0 6.0 0 0
55.5 0 1 30.5 0 0 5.5 0 0
55.0 1 1 30.0 0 0 5.0 0 0
54.5 2 3 29.5 0 0 4.5 0 0
54.0 2 4 29.0 0 0 4.0 0 0
53.5 3 1 28.5 0 0 3.5 0 0
53.0 1 4 28.0 0 1 3.0 0 0
52.5 1 2 27.5 0 0 2.5 0 0
52.0 0 1 27.0 0 0 2.0 0 0
51.5 2 3 26.5 0 0 1.5 0 0
51.0 1 3 26.0 0 0 1.0 0 0
50.5 0 0 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 B Results for North Carolina
SCORE DISTRIBUTION
score -----------grade-----------
5 6 7 8 9 10 11 12 13 unknown
---------------------------
150.0 0 0 0 0 0 0 1 0 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 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 0 0 0 0
140.0 0 0 0 0 0 0 0 0 0 0
139.5 0 0 0 0 0 0 1 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 0 0 0 0
134.0 0 0 0 0 0 0 0 0 0 0
133.5 0 0 0 0 0 0 0 0 0 0
133.0 0 0 0 0 0 0 0 0 0 0
132.5 0 0 0 0 0 0 0 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 0 0 0
130.5 0 0 0 0 0 0 0 0 0 0
130.0 0 0 0 0 0 0 0 1 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 1 0 0 0 2 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 1 0 0 0 0
125.5 0 0 0 0 0 0 1 0 0 0
125.0 0 0 0 0 1 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 1 0 0 0
123.5 0 0 0 0 0 0 0 0 0 0
123.0 0 0 0 0 0 1 1 0 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 0
121.5 0 0 0 0 0 0 0 0 0 0
121.0 0 0 0 0 0 0 0 0 0 0
120.5 0 0 0 0 0 0 0 0 0 0
120.0 0 0 0 0 0 0 0 0 0 0
119.5 0 0 0 0 0 0 0 0 0 0
119.0 0 0 0 0 0 0 0 0 0 0
118.5 0 0 0 0 0 0 0 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 0 0 0 0 0
116.5 0 0 0 0 0 0 0 0 0 0
116.0 0 0 0 0 0 0 0 1 0 0
115.5 0 0 0 0 0 0 0 0 0 0
115.0 0 0 0 0 0 0 0 0 0 0
114.5 0 0 0 0 0 0 0 0 0 0
114.0 0 0 0 0 0 0 0 0 0 0
113.5 0 0 0 0 0 0 0 2 0 0
113.0 0 0 0 0 0 0 0 0 0 0
112.5 0 0 0 0 0 0 0 1 0 0
112.0 0 0 0 0 0 0 0 0 0 0
111.5 0 0 0 0 0 0 1 0 0 0
111.0 0 0 0 0 0 0 0 2 0 0
110.5 0 0 0 0 0 0 0 0 0 0
110.0 0 0 0 0 0 0 0 0 0 0
109.5 0 0 0 0 0 0 0 0 0 0
109.0 0 0 0 0 0 1 1 2 0 0
108.5 0 0 0 0 0 0 0 0 0 0
108.0 0 0 0 0 0 1 1 1 0 0
107.5 0 0 0 0 0 1 0 1 0 0
107.0 0 0 0 0 0 0 0 0 0 0
106.5 0 0 0 1 0 0 0 1 0 0
106.0 0 0 0 0 0 0 0 0 0 0
105.5 0 0 0 0 0 1 3 3 0 0
105.0 0 0 0 0 0 0 0 0 0 0
104.5 0 0 0 0 1 0 1 2 0 0
104.0 0 0 0 0 0 0 2 1 0 0
103.5 0 0 0 0 0 0 0 0 0 0
103.0 0 0 0 0 0 1 2 1 0 0
102.5 0 0 0 0 0 0 0 0 0 0
102.0 0 0 0 0 0 0 2 4 0 0
101.5 0 0 0 0 0 0 0 0 0 0
101.0 0 0 0 0 0 1 2 0 0 0
100.5 0 0 0 0 1 0 1 3 0 0
100.0 0 0 0 0 0 0 0 0 0 0
99.5 0 0 0 0 0 1 3 1 0