American Mathematics Competitions
2003 AMC 10 A Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1559
Number of unofficial participants: 0
Average score of participants: 71.0
Average score for female students is: 69.6 ( 656 Students)
Average score for male students is: 72.0 ( 756 Students)
Average score for unspecified gender is 72.4 ( 147 Students)
Average score for grade 10 is: 71.3 ( 739 Students)
Average score for grade 9 is: 69.3 ( 592 Students)
Average score for grade 8 and below is: 76.0 ( 138 Students)
Average score with unknown grade: 71.9 ( 90 Students)
AIME qualifying score = 119.0 or better
Number of AIME qualifers 2
Number of schools returning results 38
Average school winning score 102.16
American Mathematics Competitions
2003 AMC 12 A Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1577
Number of unofficial participants: 0
Average score of participants: 75.6
Average score for female students is: 72.6 ( 664 Students)
Average score for male students is: 78.0 ( 859 Students)
Average score for unspecified gender is 74.8 ( 54 Students)
Average score for grade 13 is: 6.0 ( 1 Student)
Average score for grade 12 is: 77.4 ( 625 Students)
Average score for grade 11 is: 73.7 ( 831 Students)
Average score for grade 10 is: 78.1 ( 77 Students)
Average score for grade 9 is: 92.5 ( 13 Students)
Average score for grade 8 and below is: 99.6 ( 10 Students)
Average score with unknown grade: 72.3 ( 20 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 130
Number of schools returning results 38
Average school winning score 109.14
Average school team score 302.08
American Mathematics Competitions
2003 AMC 10 B Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 552
Number of unofficial participants: 0
Average score of participants: 78.2
Average score for female students is: 75.3 ( 251 Students)
Average score for male students is: 80.6 ( 288 Students)
Average score for unspecified gender is 79.8 ( 13 Students)
Average score for grade 10 is: 79.7 ( 316 Students)
Average score for grade 9 is: 74.8 ( 205 Students)
Average score for grade 8 and below is: 85.2 ( 26 Students)
Average score with unknown grade: 81.0 ( 5 Students)
AIME qualifying score = 121.0 or better
Number of AIME qualifers 2
Number of schools returning results 16
Average school winning score 106.00
American Mathematics Competitions
2003 AMC 12 B Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 863
Number of unofficial participants: 0
Average score of participants: 73.7
Average score for female students is: 71.1 ( 372 Students)
Average score for male students is: 76.0 ( 449 Students)
Average score for unspecified gender is 71.5 ( 42 Students)
Average score for grade 12 is: 75.6 ( 329 Students)
Average score for grade 11 is: 72.7 ( 435 Students)
Average score for grade 10 is: 72.6 ( 63 Students)
Average score for grade 9 is: 70.6 ( 19 Students)
Average score with unknown grade: 67.2 ( 17 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 34
Number of schools returning results 19
Average school winning score 103.53
Average school team score 274.16
2003 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
150.0 0 0 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 1 0 0 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 0 0
140.0 0 0 0 0
139.5 0 0 0 0
139.0 0 0 0 0
138.5 0 0 0 0
138.0 2 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 1 0
134.0 0 0 0 0
133.5 0 0 0 0
133.0 0 0 0 0
132.5 0 0 0 0
132.0 0 0 0 0
131.5 0 0 0 0
131.0 0 0 0 0
130.5 0 0 0 0
130.0 0 0 0 0
129.5 0 0 0 0
129.0 0 0 0 0
128.5 0 0 0 0
128.0 0 0 0 0
127.5 0 0 0 0
127.0 0 0 0 0
126.5 1 0 0 0
126.0 0 0 0 0
125.5 0 0 0 0
125.0 0 0 0 0
124.5 0 0 0 0
124.0 0 0 0 1
123.5 0 0 0 0
123.0 1 0 0 0
122.5 0 0 0 0
122.0 1 0 0 0
121.5 0 1 0 1
121.0 0 0 0 0
120.5 0 0 0 0
120.0 0 0 0 2
119.5 2 1 0 2
119.0 1 0 1 0
118.5 2 3 0 0
118.0 2 0 0 0
117.5 0 0 0 0
117.0 1 3 1 0
116.5 0 0 0 0
116.0 2 0 3 2
115.5 0 0 0 0
115.0 1 0 0 1
114.5 2 0 1 0
114.0 0 0 1 0
113.5 1 1 0 1
113.0 1 0 0 0
112.5 4 2 1 0
112.0 0 0 0 0
111.5 6 1 1 3
111.0 0 0 2 0
110.5 0 0 0 0
110.0 8 3 2 1
109.5 0 0 1 1
109.0 6 0 1 3
108.5 3 0 2 1
108.0 5 0 2 1
107.5 2 0 3 2
107.0 0 0 2 0
106.5 7 0 4 3
106.0 1 0 1 0
105.5 10 1 1 4
105.0 3 0 5 2
104.5 6 1 1 1
104.0 8 3 4 4
103.5 0 0 0 1
103.0 12 2 7 2
102.5 2 1 3 1
102.0 7 5 4 2
101.5 2 1 7 0
101.0 4 1 0 5
100.5 9 4 9 3
100.0 1 0 0 0
99.5 14 6 2 2
99.0 3 0 2 0
98.5 8 5 3 4
98.0 9 2 8 3
97.5 6 1 3 1
97.0 8 2 5 5
96.5 2 0 2 0
96.0 14 3 12 6
95.5 3 1 6 1
95.0 16 16 7 4
94.5 19 5 6 4
94.0 2 4 2 3
93.5 21 8 9 4
93.0 6 0 5 1
92.5 16 4 4 5
92.0 10 2 8 3
91.5 9 3 2 7
91.0 18 2 13 5
90.5 1 4 0 6
90.0 23 10 8 8
89.5 10 1 5 1
89.0 18 10 17 11
88.5 10 4 13 7
88.0 14 10 13 10
87.5 17 6 11 3
87.0 5 4 9 4
86.5 19 14 10 11
86.0 8 1 5 1
85.5 19 15 15 10
85.0 11 2 15 4
84.5 11 5 11 7
84.0 19 9 17 6
83.5 6 4 9 8
83.0 31 16 18 15
82.5 9 5 11 1
82.0 22 13 17 9
81.5 11 10 15 1
81.0 11 9 5 5
80.5 18 9 21 4
80.0 9 9 15 9
79.5 24 10 21 8
79.0 10 4 16 3
78.5 15 16 15 8
78.0 27 10 22 6
77.5 13 11 17 8
77.0 23 22 14 8
76.5 12 10 14 7
76.0 25 16 18 12
75.5 18 7 16 2
75.0 18 15 13 12
74.5 19 12 25 6
74.0 16 21 15 5
73.5 23 19 20 7
73.0 14 7 12 9
72.5 27 19 16 9
72.0 19 5 20 7
71.5 18 24 17 6
71.0 18 19 26 8
70.5 6 7 17 6
70.0 24 9 18 9
69.5 17 5 27 4
69.0 18 20 31 5
68.5 21 11 15 4
68.0 15 13 18 7
67.5 13 20 24 10
67.0 9 2 26 4
66.5 24 13 20 6
66.0 27 11 29 4
65.5 15 10 23 7
65.0 18 9 25 5
64.5 22 7 27 7
64.0 13 14 21 6
63.5 15 12 15 2
63.0 23 10 19 3
62.5 15 8 16 6
62.0 12 4 20 4
61.5 16 9 19 3
61.0 12 3 9 2
60.5 11 11 21 1
60.0 12 7 21 8
59.5 13 10 19 2
59.0 16 11 15 2
58.5 10 3 4 5
58.0 11 10 7 5
57.5 7 1 15 2
57.0 11 5 22 1
56.5 8 10 8 3
56.0 15 1 13 5
55.5 11 6 22 0
55.0 5 6 9 1
54.5 11 3 12 0
54.0 6 5 10 2
53.5 9 2 6 2
53.0 8 7 13 0
52.5 3 0 8 1
52.0 5 3 12 1
51.5 6 2 8 2
51.0 6 3 5 0
50.5 4 2 5 1
50.0 5 1 5 0
49.5 6 1 6 2
49.0 7 2 10 1
48.5 3 2 11 0
48.0 7 8 12 1
47.5 5 0 9 2
47.0 1 0 3 0
46.5 1 0 3 1
46.0 4 0 1 1
45.5 3 0 8 1
45.0 2 0 1 0
44.5 3 3 6 0
44.0 3 1 3 0
43.5 2 2 4 2
43.0 4 0 2 0
42.5 3 1 1 1
42.0 11 2 5 2
41.5 0 1 5 2
41.0 0 3 1 0
40.5 1 1 2 0
40.0 3 1 2 0
39.5 1 0 5 0
39.0 1 1 2 1
38.5 2 0 6 1
38.0 0 1 2 0
37.5 1 1 0 1
37.0 1 0 2 0
36.5 1 1 1 0
36.0 10 3 3 2
35.5 0 1 1 0
35.0 0 1 1 0
34.5 0 0 2 0
34.0 0 0 0 0
33.5 1 0 0 0
33.0 1 0 0 0
32.5 1 0 1 0
32.0 1 0 1 0
31.5 1 0 2 0
31.0 0 0 0 0
30.5 0 0 1 0
30.0 1 1 5 2
29.5 0 0 0 0
29.0 0 0 0 0
28.5 0 0 0 0
28.0 1 0 0 0
27.5 0 0 1 0
27.0 0 1 0 0
26.5 1 0 0 0
26.0 0 0 0 0
25.5 0 1 0 0
25.0 0 0 0 0
24.5 0 0 0 0
24.0 1 0 2 0
23.5 0 0 0 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 1 0 0
18.0 0 1 0 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 1 0 0 1
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 1 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 Oregon
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 0
149.5 0 0 124.5 0 0 99.5 0 2
149.0 0 0 124.0 0 0 99.0 2 0
148.5 0 0 123.5 0 0 98.5 1 1
148.0 0 0 123.0 0 0 98.0 4 2
147.5 0 0 122.5 0 0 97.5 1 1
147.0 0 0 122.0 0 0 97.0 5 0
146.5 0 0 121.5 0 0 96.5 1 0
146.0 0 0 121.0 0 0 96.0 7 3
145.5 0 0 120.5 0 0 95.5 4 1
145.0 0 0 120.0 0 0 95.0 1 5
144.5 0 0 119.5 0 0 94.5 1 3
144.0 0 0 119.0 1 0 94.0 2 0
143.5 0 0 118.5 0 0 93.5 5 3
143.0 0 0 118.0 0 0 93.0 3 1
142.5 0 0 117.5 0 0 92.5 2 2
142.0 0 0 117.0 0 1 92.0 6 1
141.5 0 0 116.5 0 0 91.5 2 0
141.0 0 0 116.0 3 0 91.0 7 6
140.5 0 0 115.5 0 0 90.5 0 0
140.0 0 0 115.0 0 0 90.0 6 2
139.5 0 0 114.5 1 0 89.5 3 2
139.0 0 0 114.0 1 0 89.0 8 6
138.5 0 0 113.5 0 0 88.5 6 6
138.0 0 0 113.0 0 0 88.0 7 5
137.5 0 0 112.5 0 1 87.5 6 5
137.0 0 0 112.0 0 0 87.0 1 6
136.5 0 0 111.5 0 0 86.5 4 6
136.0 0 0 111.0 1 1 86.0 4 1
135.5 0 0 110.5 0 0 85.5 8 3
135.0 0 0 110.0 2 0 85.0 9 4
134.5 0 0 109.5 0 0 84.5 5 6
134.0 0 0 109.0 0 0 84.0 10 6
133.5 0 0 108.5 0 2 83.5 5 4
133.0 0 0 108.0 2 0 83.0 11 4
132.5 0 0 107.5 2 1 82.5 9 2
132.0 0 0 107.0 2 0 82.0 9 8
131.5 0 0 106.5 3 1 81.5 8 5
131.0 0 0 106.0 1 0 81.0 2 3
130.5 0 0 105.5 1 0 80.5 11 9
130.0 0 0 105.0 3 2 80.0 9 6
129.5 0 0 104.5 0 1 79.5 13 6
129.0 0 0 104.0 1 2 79.0 8 8
128.5 0 0 103.5 0 0 78.5 8 5
128.0 0 0 103.0 4 3 78.0 9 8
127.5 0 0 102.5 2 1 77.5 9 6
127.0 0 0 102.0 4 0 77.0 7 6
126.5 0 0 101.5 3 4 76.5 8 4
126.0 0 0 101.0 0 0 76.0 6 9
125.5 0 0 100.5 7 1 75.5 8 7
American Mathematics Competitions
2003 AMC 10 A Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 6 5 50.0 2 3 25.0 0 0
74.5 13 10 49.5 5 1 24.5 0 0
74.0 9 4 49.0 5 4 24.0 1 1
73.5 8 11 48.5 7 4 23.5 0 0
73.0 7 3 48.0 8 3 23.0 0 0
72.5 9 6 47.5 4 3 22.5 0 0
72.0 13 6 47.0 0 3 22.0 0 0
71.5 5 8 46.5 3 0 21.5 0 0
71.0 10 13 46.0 1 0 21.0 0 0
70.5 9 7 45.5 5 3 20.5 0 0
70.0 8 10 45.0 0 0 20.0 0 0
69.5 11 11 44.5 2 4 19.5 0 0
69.0 7 21 44.0 2 1 19.0 0 0
68.5 7 5 43.5 2 2 18.5 0 0
68.0 8 9 43.0 1 1 18.0 0 0
67.5 6 15 42.5 1 0 17.5 0 0
67.0 14 11 42.0 4 1 17.0 0 0
66.5 6 14 41.5 2 3 16.5 0 0
66.0 14 12 41.0 0 0 16.0 0 0
65.5 9 12 40.5 1 1 15.5 0 0
65.0 12 11 40.0 2 0 15.0 0 0
64.5 9 17 39.5 1 3 14.5 0 0
64.0 10 10 39.0 0 2 14.0 0 0
63.5 6 8 38.5 4 1 13.5 0 0
63.0 10 9 38.0 2 0 13.0 0 0
62.5 8 6 37.5 0 0 12.5 0 0
62.0 10 9 37.0 0 2 12.0 0 0
61.5 7 8 36.5 1 0 11.5 0 0
61.0 5 4 36.0 2 0 11.0 0 0
60.5 7 12 35.5 0 1 10.5 0 0
60.0 11 9 35.0 1 0 10.0 0 0
59.5 6 10 34.5 0 2 9.5 0 0
59.0 6 5 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 0 0 8.0 0 0
57.5 8 6 32.5 1 0 7.5 0 0
57.0 11 11 32.0 1 0 7.0 0 0
56.5 5 2 31.5 0 2 6.5 0 0
56.0 6 5 31.0 0 0 6.0 0 0
55.5 9 9 30.5 0 1 5.5 0 0
55.0 3 6 30.0 4 1 5.0 0 0
54.5 3 9 29.5 0 0 4.5 0 0
54.0 7 2 29.0 0 0 4.0 0 0
53.5 4 2 28.5 0 0 3.5 0 0
53.0 3 7 28.0 0 0 3.0 0 0
52.5 2 5 27.5 1 0 2.5 0 0
52.0 5 4 27.0 0 0 2.0 0 0
51.5 6 2 26.5 0 0 1.5 0 0
51.0 3 1 26.0 0 0 1.0 0 0
50.5 1 4 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 10 A Results for Oregon
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 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 0 0 0 0 1
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 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 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 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 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 0 0 0 0
122.0 0 0 0 0 0 0 0
121.5 0 0 0 0 0 0 0
121.0 0 0 0 0 0 0 0
120.5 0 0 0 0 0 0 0
120.0 0 0 0 0 0 0 0
119.5 0 0 0 0 0 0 0
119.0 0 0 0 1 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 1 0 0 0
116.5 0 0 0 0 0 0 0
116.0 0 1 0 0 0 2 0
115.5 0 0 0 0 0 0 0
115.0 0 0 0 0 0 0 0
114.5 0 0 0 0 1 0 0
114.0 0 0 0 0 1 0 0
113.5 0 0 0 0 0 0 0
113.0 0 0 0 0 0 0 0
112.5 0 0 0 0 1 0 0
112.0 0 0 0 0 0 0 0
111.5 0 0 0 0 0 1 0
111.0 0 1 0 0 0 1 0
110.5 0 0 0 0 0 0 0
110.0 0 0 0 1 0 1 0
109.5 0 0 0 0 0 1 0
109.0 0 0 0 0 0 0 1
108.5 0 0 0 0 1 1 0
108.0 0 0 0 1 1 0 0
107.5 0 0 0 0 2 1 0
107.0 0 0 0 1 1 0 0
106.5 0 0 0 0 0 4 0
106.0 0 0 0 0 1 0 0
105.5 0 0 0 0 0 1 0
105.0 0 0 0 1 1 3 0
104.5 0 0 0 0 0 1 0
104.0 0 0 0 0 3 0 1
103.5 0 0 0 0 0 0 0
103.0 0 0 0 1 2 4 0
102.5 0 0 0 0 1 2 0
102.0 0 0 0 2 0 2 0
101.5 0 0 0 0 3 4 0
101.0 0 0 0 0 0 0 0
100.5 0 0 0 0 3 6 0
100.0 0 0 0 0 0 0 0
99.5 0 0 0 1 1 0 0
99.0 0 0 0 1 0 1 0
98.5 0 0 0 0 1 1 1
98.0 0 0 0 0 3 3 2
97.5 0 0 0 0 1 1 1
97.0 0 1 0 0 2 2 0
96.5 0 0 0 0 0 2 0
96.0 0 0 0 0 2 8 2
95.5 0 0 2 0 3 1 0
95.0 0 0 0 0 2 4 1
94.5 0 0 0 0 3 1 2
94.0 0 0 0 0 0 2 0
93.5 0 0 0 0 6 3 0
93.0 0 0 0 2 1 2 0
92.5 0 0 0 1 2 1 0
92.0 0 0 1 1 2 4 0
91.5 0 0 0 0 0 2 0
91.0 0 0 2 3 1 7 0
90.5 0 0 0 0 0 0 0
90.0 0 0 0 0 4 4 0
89.5 0 0 1 0 3 1 0
89.0 0 0 0 1 5 11 0
88.5 0 0 1 0 2 9 1
88.0 0 1 0 2 3 7 0
87.5 0 0 0 1 3 7 0
87.0 0 0 0 1 1 6 1
86.5 0 0 0 0 2 8 0
86.0 0 0 0 1 2 2 0
85.5 0 2 0 2 4 4 3
85.0 0 0 2 0 5 8 0
84.5 0 0 0 0 5 6 0
84.0 0 0 1 0 5 10 1
83.5 0 0 0 0 2 7 0
83.0 0 1 0 3 6 6 2
82.5 0 0 0 0 2 9 0
82.0 0 0 1 1 8 7 0
81.5 0 0 0 3 3 8 1
81.0 0 1 0 0 1 3 0
80.5 0 0 0 1 9 11 0
80.0 0 1 0 3 5 6 0
79.5 0 0 1 0 9 9 2
79.0 0 1 1 1 4 9 0
78.5 0 0 0 0 5 8 2
78.0 0 1 1 1 8 7 4
77.5 0 0 0 2 10 3 2
77.0 0 0 0 1 4 9 0
76.5 0 0 0 1 3 9 1
76.0 0 0 1 1 4 11 1
75.5 0 1 0 2 4 9 0
75.0 0 0 0 1 7 4 1
74.5 0 0 1 2 11 10 1
74.0 0 0 1 0 6 7 1
73.5 0 1 0 0 4 15 0
73.0 0 0 0 2 4 4 2
72.5 0 0 0 1 5 9 1
72.0 0 0 1 2 3 14 0
71.5 0 0 0 0 7 6 4
71.0 0 0 0 2 12 11 1
70.5 0 0 0 1 7 8 1
70.0 0 0 1 2 8 7 0
69.5 0 0 0 0 15 9 3
69.0 0 0 0 0 20 10 1
68.5 0 0 0 1 3 10 1
68.0 0 1 0 0 8 9 0
67.5 0 0 1 1 8 12 2
67.0 0 0 1 3 11 9 2
66.5 0 0 0 0 8 11 1
66.0 0 0 0 1 19 8 1
65.5 0 0 0 1 11 8 3
65.0 0 0 1 0 9 12 3
64.5 0 0 1 1 9 15 1
64.0 0 0 1 0 10 9 1
63.5 0 0 0 3 7 4 1
63.0 0 0 0 0 9 10 0
62.5 0 0 1 0 5 9 1
62.0 0 1 0 4 6 7 2
61.5 0 1 0 1 7 9 1
61.0 0 0 0 1 5 3 0
60.5 0 0 0 0 4 16 1
60.0 0 0 2 2 9 7 1
59.5 0 0 0 1 9 8 1
59.0 0 0 0 0 9 5 1
58.5 0 0 0 0 2 2 0
58.0 0 0 0 0 4 3 0
57.5 0 1 0 0 4 9 1
57.0 0 0 1 0 15 6 0
56.5 0 0 0 1 2 5 0
56.0 0 0 0 0 5 6 2
55.5 0 0 0 0 8 11 3
55.0 0 0 0 1 4 4 0
54.5 0 0 0 0 4 8 0
54.0 0 0 0 1 2 7 0
53.5 0 0 0 0 4 2 0
53.0 0 0 0 0 6 6 1
52.5 0 0 0 0 2 5 1
52.0 0 0 0 0 7 3 2
51.5 0 0 0 0 4 4 0
51.0 0 0 0 0 3 1 1
50.5 0 0 0 1 2 1 1
50.0 0 0 0 0 2 3 0
49.5 0 0 0 0 1 5 0
49.0 0 1 0 0 7 2 0
48.5 0 0 0 0 5 6 0
48.0 0 0 0 2 6 4 0
47.5 0 0 1 0 2 4 2
47.0 0 0 0 0 2 1 0
46.5 0 0 0 0 1 2 0
46.0 0 0 0 0 1 0 0
45.5 0 0 1 1 3 2 1
45.0 0 0 0 0 0 1 0
44.5 0 0 0 0 3 3 0
44.0 0 0 1 0 1 1 0
43.5 0 0 0 0 1 2 1
43.0 0 0 0 0 0 2 0
42.5 0 0 0 0 0 1 0
42.0 0 0 0 0 2 3 0
41.5 0 0 0 0 4 1 0
41.0 0 0 0 0 0 0 1
40.5 0 0 0 0 2 0 0
40.0 0 0 0 1 0 1 0
39.5 0 0 0 0 3 2 0
39.0 0 0 0 0 2 0 0
38.5 0 0 0 0 1 5 0
38.0 0 0 0 0 0 2 0
37.5 0 0 0 0 0 0 0
37.0 0 0 0 0 1 1 0
36.5 0 0 0 0 0 1 0
36.0 0 0 1 0 2 0 0
35.5 0 0 0 0 0 1 0
35.0 0 0 0 0 0 1 0
34.5 0 0 0 0 0 2 0
34.0 0 0 0 0 0 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 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 1 0 0 0 0
30.0 0 0 0 0 1 4 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 1 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 2 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 A Results for Oregon
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 0.51 2.64 0.76 3.43* 0.48 2.17 0.01
2 0.02 8.56* 0.12 0.92 0.04 0.33 0.00
3 0.47 2.57 0.49 3.64* 0.21 2.61 0.01
4 4.12* 0.13 0.21 3.35 0.08 2.10 0.01
5 0.68 3.98* 0.19 0.10 0.06 5.00 0.00
6 1.69 1.46 1.70* 0.60 0.90 3.63 0.01
7 1.49 1.61* 0.85 1.66 0.37 4.02 0.01
8 1.48 0.51 0.40 0.31 5.48* 1.82 0.01
9 1.17* 0.45 1.51 1.49 0.07 5.30 0.01
10 0.47 0.56 0.70 1.17 4.08* 3.01 0.01
11 0.22 0.15 0.17 0.18 5.68* 3.59 0.01
12 2.37* 2.65 0.19 0.83 0.80 3.18 0.00
13 5.09* 0.26 0.28 0.15 0.04 4.19 0.00
14 1.28* 0.94 0.32 0.64 0.80 6.02 0.00
15 0.62 1.85 3.20* 0.52 0.55 3.25 0.01
16 0.78 0.76 1.60* 0.16 0.56 6.13 0.01
17 0.35 0.52* 0.17 0.23 0.40 8.32 0.01
18 0.42 0.36* 0.15 0.40 0.62 8.03 0.01
19 0.19 0.20 0.34* 0.07 0.09 9.10 0.01
20 0.30 0.15 0.26 0.27 0.33* 8.69 0.01
21 0.48 0.32 0.95 1.87* 2.27 4.11 0.01
22 0.60 1.69* 0.44 0.12 0.09 7.06 0.01
23 0.21 0.18 0.57* 0.47 0.58 7.98 0.01
24 0.16 0.28 0.49 0.40 3.96* 4.70 0.01
25 0.10 0.25* 0.19 0.12 0.15 9.19 0.01
(*) 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 Oregon
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 1 0
149.5 0 0 124.5 0 0 99.5 10 4
149.0 0 0 124.0 0 0 99.0 2 1
148.5 0 0 123.5 0 0 98.5 4 3
148.0 0 0 123.0 1 0 98.0 7 2
147.5 0 0 122.5 0 0 97.5 3 3
147.0 0 0 122.0 1 0 97.0 6 2
146.5 0 0 121.5 0 0 96.5 2 0
146.0 0 0 121.0 0 0 96.0 10 4
145.5 0 0 120.5 0 0 95.5 2 1
145.0 0 0 120.0 0 0 95.0 7 7
144.5 0 0 119.5 2 0 94.5 16 3
144.0 1 0 119.0 1 0 94.0 1 1
143.5 0 0 118.5 2 0 93.5 17 3
143.0 0 0 118.0 2 0 93.0 4 2
142.5 0 0 117.5 0 0 92.5 8 6
142.0 0 0 117.0 1 0 92.0 7 3
141.5 0 0 116.5 0 0 91.5 6 3
141.0 0 0 116.0 2 0 91.0 13 5
140.5 0 0 115.5 0 0 90.5 0 1
140.0 0 0 115.0 1 0 90.0 15 8
139.5 0 0 114.5 1 1 89.5 5 5
139.0 0 0 114.0 0 0 89.0 13 5
138.5 0 0 113.5 0 1 88.5 6 3
138.0 2 0 113.0 1 0 88.0 11 2
137.5 0 0 112.5 3 1 87.5 10 7
137.0 0 0 112.0 0 0 87.0 3 2
136.5 0 0 111.5 5 1 86.5 14 3
136.0 0 0 111.0 0 0 86.0 4 4
135.5 0 0 110.5 0 0 85.5 13 6
135.0 0 0 110.0 5 3 85.0 6 5
134.5 0 0 109.5 0 0 84.5 3 8
134.0 0 0 109.0 3 2 84.0 8 11
133.5 0 0 108.5 2 1 83.5 4 2
133.0 0 0 108.0 3 2 83.0 15 15
132.5 0 0 107.5 2 0 82.5 7 2
132.0 0 0 107.0 0 0 82.0 11 10
131.5 0 0 106.5 3 4 81.5 5 4
131.0 0 0 106.0 1 0 81.0 4 7
130.5 0 0 105.5 7 3 80.5 8 9
130.0 0 0 105.0 1 2 80.0 7 2
129.5 0 0 104.5 3 1 79.5 12 9
129.0 0 0 104.0 8 0 79.0 4 6
128.5 0 0 103.5 0 0 78.5 7 6
128.0 0 0 103.0 9 3 78.0 19 7
127.5 0 0 102.5 2 0 77.5 9 4
127.0 0 0 102.0 7 0 77.0 14 9
126.5 0 1 101.5 2 0 76.5 7 5
126.0 0 0 101.0 3 1 76.0 12 11
125.5 0 0 100.5 3 5 75.5 10 8
American Mathematics Competitions
2003 AMC 12 A Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 8 10 50.0 4 1 25.0 0 0
74.5 7 12 49.5 3 3 24.5 0 0
74.0 8 7 49.0 3 4 24.0 1 0
73.5 8 15 48.5 1 2 23.5 0 0
73.0 12 2 48.0 5 2 23.0 0 0
72.5 14 11 47.5 2 3 22.5 0 0
72.0 11 8 47.0 0 1 22.0 0 0
71.5 12 6 46.5 0 1 21.5 0 0
71.0 12 6 46.0 1 3 21.0 0 0
70.5 2 2 45.5 2 1 20.5 0 0
70.0 9 14 45.0 1 1 20.0 0 0
69.5 12 5 44.5 2 1 19.5 0 0
69.0 7 11 44.0 1 1 19.0 0 0
68.5 11 8 43.5 2 0 18.5 0 0
68.0 3 10 43.0 3 1 18.0 0 0
67.5 6 6 42.5 1 2 17.5 0 0
67.0 7 2 42.0 4 7 17.0 0 0
66.5 8 15 41.5 0 0 16.5 0 0
66.0 16 10 41.0 0 0 16.0 0 0
65.5 8 7 40.5 0 1 15.5 0 0
65.0 6 11 40.0 2 1 15.0 0 0
64.5 9 13 39.5 1 0 14.5 0 0
64.0 9 4 39.0 0 1 14.0 0 0
63.5 9 6 38.5 0 2 13.5 0 0
63.0 7 16 38.0 0 0 13.0 0 0
62.5 5 10 37.5 1 0 12.5 0 0
62.0 3 8 37.0 1 0 12.0 1 0
61.5 5 10 36.5 1 0 11.5 0 0
61.0 5 6 36.0 4 4 11.0 0 0
60.5 5 6 35.5 0 0 10.5 0 0
60.0 5 7 35.0 0 0 10.0 0 0
59.5 5 7 34.5 0 0 9.5 0 0
59.0 7 8 34.0 0 0 9.0 0 0
58.5 5 4 33.5 0 1 8.5 0 0
58.0 4 6 33.0 1 0 8.0 0 0
57.5 4 3 32.5 1 0 7.5 0 0
57.0 4 6 32.0 1 0 7.0 0 0
56.5 4 4 31.5 0 1 6.5 0 0
56.0 10 4 31.0 0 0 6.0 1 0
55.5 5 5 30.5 0 0 5.5 0 0
55.0 3 2 30.0 1 0 5.0 0 0
54.5 5 6 29.5 0 0 4.5 0 0
54.0 1 5 29.0 0 0 4.0 0 0
53.5 6 3 28.5 0 0 3.5 0 0
53.0 1 7 28.0 1 0 3.0 0 0
52.5 1 2 27.5 0 0 2.5 0 0
52.0 3 2 27.0 0 0 2.0 0 0
51.5 3 3 26.5 1 0 1.5 0 0
51.0 0 6 26.0 0 0 1.0 0 0
50.5 3 1 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 A Results for Oregon
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 0 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 1 0 0 0 1 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 0 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 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 1 0 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 0 0 0 1 0 0
122.5 0 0 0 0 0 0 0 0 0 0
122.0 0 0 0 0 0 0 0 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 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 2 0 0
119.0 0 0 0 1 0 0 0 0 0 0
118.5 0 0 0 0 0 0 0 2 0 0
118.0 0 0 0 0 0 0 0 2 0 0
117.5 0 0 0 0 0 0 0 0 0 0
117.0 0 0 0 1 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 1 1 0 0
115.5 0 0 0 0 0 0 0 0 0 0
115.0 0 0 0 0 0 0 0 1 0 0
114.5 0 0 0 0 0 0 0 2 0 0
114.0 0 0 0 0 0 0 0 0 0 0
113.5 0 0 0 0 0 1 0 0 0 0
113.0 0 0 0 0 0 0 1 0 0 0
112.5 0 0 0 0 0 0 2 2 0 0
112.0 0 0 0 0 0 0 0 0 0 0
111.5 0 0 0 0 0 0 1 5 0 0
111.0 0 0 0 0 0 0 0 0 0 0
110.5 0 0 0 0 0 0 0 0 0 0
110.0 0 0 0 0 0 2 3 3 0 0
109.5 0 0 0 0 0 0 0 0 0 0
109.0 0 0 0 0 0 1 4 1 0 0
108.5 0 0 0 0 1 1 1 0 0 0
108.0 0 0 0 0 1 1 3 0 0 0
107.5 0 0 0 0 0 1 1 0 0 0
107.0 0 0 0 0 0 0 0 0 0 0
106.5 0 0 0 0 0 0 4 3 0 0
106.0 0 0 0 0 0 0 1 0 0 0
105.5 0 0 0 0 0 0 5 5 0 0
105.0 0 0 0 0 0 0 1 2 0 0
104.5 0 0 0 0 0 0 4 2 0 0
104.0 0 0 0 0 0 1 1 6 0 0
103.5 0 0 0 0 0 0 0 0 0 0
103.0 0 0 0 0 0 1 7 4 0 0
102.5 0 0 0 0 0 0 1 1 0 0
102.0 0 0 1 0 0 1 4 1 0 0
101.5 0 0 0 0 0 0 2 0 0 0
101.0 0 0 0 0 0 0 4 0 0 0
100.5 0 0 0 0 1 1 3 4 0 0
100.0 0 0 0 0 0 0 1 0 0 0
99.5 0 0 0 0 1 0 8 5 0 0
99.0 0 0 0 0 1 0 1 1 0 0
98.5 0 0 0 0 0 0 4 4 0 0
98.0 0 0 0 0 0 0 6 3 0 0
97.5 0 0 0 0 0 0 3 3 0 0
97.0 0 0 0 0 0 0 3 5 0 0
96.5 0 0 0 0 0 0 1 1 0 0
96.0 0 0 0 1 0 0 6 7 0 0
95.5 0 0 0 0 0 1 0 2 0 0
95.0 0 0 0 0 1 1 8 6 0 0
94.5 0 0 0 1 0 1 9 8 0 0
94.0 0 0 0 0 0 0 2 0 0 0
93.5 0 0 0 0 0 1 11 9 0 0
93.0 0 0 0 0 0 0 3 3 0 0
92.5 0 0 0 1 0 0 5 9 0 1
92.0 0 0 0 0 1 0 3 5 0 1
91.5 0 0 0 0 0 0 5 4 0 0
91.0 0 0 0 1 2 0 5 10 0 0
90.5 0 0 0 0 0 0 0 1 0 0
90.0 0 0 0 0 0 1 10 12 0 0
89.5 0 0 0 0 1 1 5 3 0 0
89.0 0 0 0 0 0 2 10 6 0 0
88.5 0 0 0 0 0 0 7 2 0 1
88.0 0 0 0 0 0 1 6 7 0 0
87.5 0 0 0 0 0 0 8 9 0 0
87.0 0 0 0 0 1 0 1 3 0 0
86.5 0 0 0 0 0 2 9 8 0 0
86.0 0 0 0 0 0 0 6 2 0 0
85.5 0 0 0 0 0 1 10 8 0 0
85.0 0 0 0 0 0 0 8 3 0 0
84.5 0 0 0 0 0 0 8 3 0 0
84.0 0 0 0 0 0 0 9 10 0 0
83.5 0 0 0 0 0 0 2 4 0 0
83.0 0 0 0 0 1 1 10 18 0 1
82.5 0 0 0 0 0 1 5 3 0 0
82.0 0 0 0 0 0 3 8 10 0 1
81.5 0 0 0 0 0 3 6 2 0 0
81.0 0 0 0 0 0 0 7 3 0 1
80.5 0 0 0 0 0 0 11 7 0 0
80.0 0 0 0 0 0 0 6 3 0 0
79.5 0 0 0 0 0 3 11 10 0 0
79.0 0 0 0 0 0 1 3 6 0 0
78.5 0 0 0 0 0 0 8 6 0 1
78.0 0 0 0 0 0 3 16 7 0 1
77.5 0 0 0 0 0 0 10 3 0 0
77.0 0 0 0 0 0 2 11 10 0 0
76.5 0 0 0 0 0 1 9 2 0 0
76.0 0 0 0 0 0 2 11 12 0 0
75.5 0 0 0 1 0 0 11 6 0 0
75.0 0 0 0 0 0 0 9 9 0 0
74.5 0 0 0 0 0 1 7 11 0 0
74.0 0 0 0 0 0 1 8 6 0 1
73.5 0 0 0 0 0 1 8 14 0 0
73.0 0 0 0 0 0 1 8 5 0 0
72.5 0 0 0 0 0 2 19 6 0 0
72.0 0 0 0 0 0 0 13 6 0 0
71.5 0 0 0 0 0 1 12 5 0 0
71.0 0 0 0 0 0 1 9 7 0 1
70.5 0 0 0 0 0 0 1 4 0 1
70.0 0 0 0 1 0 1 14 8 0 0
69.5 0 0 0 0 0 0 11 6 0 0
69.0 0 0 0 0 0 0 9 9 0 0
68.5 0 0 0 0 0 0 13 6 0 2
68.0 0 0 0 0 0 2 6 7 0 0
67.5 0 0 0 0 0 0 6 7 0 0
67.0 0 0 0 0 0 0 5 4 0 0
66.5 0 0 0 0 0 1 15 8 0 0
66.0 0 0 0 0 0 1 17 9 0 0
65.5 0 0 0 0 0 1 8 6 0 0
65.0 0 0 0 0 0 1 10 7 0 0
64.5 0 0 0 0 0 0 10 12 0 0
64.0 0 0 0 0 0 0 9 4 0 0
63.5 0 0 0 0 0 0 8 7 0 0
63.0 0 0 0 0 0 1 13 7 0 2
62.5 0 0 0 0 0 0 4 11 0 0
62.0 0 0 0 0 0 0 8 3 0 1
61.5 0 0 0 0 0 0 10 6 0 0
61.0 0 0 0 0 0 0 5 7 0 0
60.5 0 0 0 0 0 2 5 4 0 0
60.0 0 0 0 0 0 0 8 4 0 0
59.5 0 0 0 0 0 1 7 4 0 1
59.0 0 0 0 0 1 0 10 5 0 0
58.5 0 0 0 0 0 2 3 5 0 0
58.0 0 0 0 0 0 0 6 4 0 1
57.5 0 0 0 0 0 1 4 2 0 0
57.0 0 0 0 0 0 0 7 4 0 0
56.5 0 0 0 0 0 3 3 2 0 0
56.0 0 0 0 0 0 1 8 5 0 1
55.5 0 0 0 0 0 1 5 4 0 1
55.0 0 0 0 0 0 0 2 3 0 0
54.5 0 0 0 0 0 0 10 1 0 0
54.0 0 0 0 0 0 1 5 0 0 0
53.5 0 0 0 0 0 0 6 3 0 0
53.0 0 0 0 0 0 0 4 4 0 0
52.5 0 0 0 0 0 0 3 0 0 0
52.0 0 0 0 0 0 0 1 4 0 0
51.5 0 0 0 0 0 0 4 2 0 0
51.0 0 0 0 0 0 0 5 1 0 0
50.5 0 0 0 0 0 0 2 2 0 0
50.0 0 0 0 0 0 2 2 1 0 0
49.5 0 0 0 0 0 1 5 0 0 0
49.0 0 0 0 0 0 0 5 2 0 0
48.5 0 0 0 0 0 0 2 1 0 0
48.0 0 0 0 0 0 0 3 4 0 0
47.5 0 0 0 0 0 0 3 2 0 0
47.0 0 0 0 0 0 0 0 1 0 0
46.5 0 0 0 0 0 0 1 0 0 0
46.0 0 0 0 0 0 0 3 1 0 0
45.5 0 0 0 0 0 0 3 0 0 0
45.0 0 0 0 0 0 0 1 1 0 0
44.5 0 0 0 0 0 0 2 1 0 0
44.0 0 0 0 0 0 0 3 0 0 0
43.5 0 0 0 0 0 0 1 1 0 0
43.0 0 0 0 0 0 1 3 0 0 0
42.5 0 0 0 0 0 0 2 1 0 0
42.0 0 0 0 0 0 1 4 6 0 0
41.5 0 0 0 0 0 0 0 0 0 0
41.0 0 0 0 0 0 0 0 0 0 0
40.5 0 0 0 0 0 0 1 0 0 0
40.0 0 0 0 0 0 0 2 1 0 0
39.5 0 0 0 0 0 0 1 0 0 0
39.0 0 0 0 0 0 0 0 1 0 0
38.5 0 0 0 0 0 0 2 0 0 0
38.0 0 0 0 0 0 0 0 0 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 8 2 0 0
35.5 0 0 0 0 0 0 0 0 0 0
35.0 0 0 0 0 0 0 0 0 0 0
34.5 0 0 0 0 0 0 0 0 0 0
34.0 0 0 0 0 0 0 0 0 0 0
33.5 0 0 0 0 0 0 1 0 0 0
33.0 0 0 0 0 0 0 1 0 0 0
32.5 0 0 0 0 0 0 1 0 0 0
32.0 0 0 0 0 0 0 1 0 0 0
31.5 0 0 0 0 0 0 1 0 0 0
31.0 0 0 0 0 0 0 0 0 0 0
30.5 0 0 0 0 0 0 0 0 0 0
30.0 0 0 0 0 0 0 0 1 0 0
29.5 0 0 0 0 0 0 0 0 0 0
29.0 0 0 0 0 0 0 0 0 0 0
28.5 0 0 0 0 0 0 0 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 1 0 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 0 1 0 0
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 0 0 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 1 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 1 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 Oregon
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 0.49 1.57 0.65 4.87* 0.45 1.96 0.00
2 0.03 8.79* 0.15 0.68 0.03 0.32 0.00
3 0.28 2.62 0.40 4.73* 0.22 1.74 0.01
4 5.16* 0.12 0.15 3.18 0.06 1.33 0.01
5 0.20 0.15 0.12 0.11 7.18* 2.24 0.00
6 1.40 1.81 3.14* 0.46 0.49 2.69 0.02
7 1.46 1.95* 0.81 1.92 0.26 3.61 0.00
8 0.93 0.39 0.24 0.21 6.85* 1.38 0.00
9 0.23 0.62 1.25 2.75* 0.15 5.00 0.01
10 0.44 0.86 0.35 3.05* 0.16 5.13 0.01
11 0.54 0.51 1.23* 0.55 0.62 6.54 0.01
12 0.11 0.29 0.46 0.27 6.14* 2.73 0.01
13 0.37 0.33 0.72 1.02 4.77* 2.78 0.01
14 0.71 0.40 0.36 4.48* 0.88 3.17 0.01
15 0.20 0.20 0.76* 0.11 0.27 8.45 0.00
16 0.49 0.44 3.87* 0.31 0.94 3.94 0.01
17 0.60 0.81* 0.30 0.58 0.16 7.55 0.01
18 0.15 0.29* 0.11 0.22 0.20 9.02 0.00
19 0.64 0.43 0.87 1.01* 0.44 6.61 0.00
20 0.41* 0.29 0.49 1.17 0.13 7.51 0.00
21 0.62 0.37 0.22 0.61* 1.26 6.91 0.01
22 0.51 0.41 0.30* 0.63 0.19 7.95 0.01
23 0.18 0.28* 0.20 0.18 0.13 9.03 0.00
24 0.13 1.34* 0.56 0.14 0.18 7.66 0.00
25 0.45 0.29 0.12* 0.09 1.48 7.57 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 Oregon
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 0
149.5 0 0 124.5 0 0 99.5 2 0
149.0 0 0 124.0 1 0 99.0 0 0
148.5 0 0 123.5 0 0 98.5 2 2
148.0 0 0 123.0 0 0 98.0 3 0
147.5 0 0 122.5 0 0 97.5 1 0
147.0 0 0 122.0 0 0 97.0 3 2
146.5 0 0 121.5 1 0 96.5 0 0
146.0 0 0 121.0 0 0 96.0 6 0
145.5 0 0 120.5 0 0 95.5 0 1
145.0 0 0 120.0 2 0 95.0 3 1
144.5 0 0 119.5 2 0 94.5 2 2
144.0 0 0 119.0 0 0 94.0 1 1
143.5 0 0 118.5 0 0 93.5 3 0
143.0 0 0 118.0 0 0 93.0 1 0
142.5 0 0 117.5 0 0 92.5 5 0
142.0 0 0 117.0 0 0 92.0 2 1
141.5 0 0 116.5 0 0 91.5 5 2
141.0 0 0 116.0 1 1 91.0 4 1
140.5 0 0 115.5 0 0 90.5 5 0
140.0 0 0 115.0 1 0 90.0 5 3
139.5 0 0 114.5 0 0 89.5 1 0
139.0 0 0 114.0 0 0 89.0 3 8
138.5 0 0 113.5 1 0 88.5 3 3
138.0 0 0 113.0 0 0 88.0 5 5
137.5 0 0 112.5 0 0 87.5 1 2
137.0 0 0 112.0 0 0 87.0 2 2
136.5 0 0 111.5 2 1 86.5 5 6
136.0 0 0 111.0 0 0 86.0 0 1
135.5 0 0 110.5 0 0 85.5 4 6
135.0 0 0 110.0 0 1 85.0 3 1
134.5 0 0 109.5 1 0 84.5 4 3
134.0 0 0 109.0 0 3 84.0 3 3
133.5 0 0 108.5 0 1 83.5 3 5
133.0 0 0 108.0 1 0 83.0 8 7
132.5 0 0 107.5 2 0 82.5 1 0
132.0 0 0 107.0 0 0 82.0 3 6
131.5 0 0 106.5 0 3 81.5 1 0
131.0 0 0 106.0 0 0 81.0 3 2
130.5 0 0 105.5 2 1 80.5 0 3
130.0 0 0 105.0 2 0 80.0 6 3
129.5 0 0 104.5 1 0 79.5 4 4
129.0 0 0 104.0 3 1 79.0 2 1
128.5 0 0 103.5 0 1 78.5 4 3
128.0 0 0 103.0 1 1 78.0 4 2
127.5 0 0 102.5 0 1 77.5 1 7
127.0 0 0 102.0 2 0 77.0 5 3
126.5 0 0 101.5 0 0 76.5 4 3
126.0 0 0 101.0 3 2 76.0 7 5
125.5 0 0 100.5 3 0 75.5 1 1
American Mathematics Competitions
2003 AMC 10 B Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 9 2 50.0 0 0 25.0 0 0
74.5 3 3 49.5 0 2 24.5 0 0
74.0 1 4 49.0 1 0 24.0 0 0
73.5 4 2 48.5 0 0 23.5 0 0
73.0 7 2 48.0 1 0 23.0 0 0
72.5 4 5 47.5 0 1 22.5 0 0
72.0 6 1 47.0 0 0 22.0 0 0
71.5 3 2 46.5 0 1 21.5 0 0
71.0 3 4 46.0 0 1 21.0 0 0
70.5 5 1 45.5 0 1 20.5 0 0
70.0 4 5 45.0 0 0 20.0 0 0
69.5 3 1 44.5 0 0 19.5 0 0
69.0 0 5 44.0 0 0 19.0 0 0
68.5 1 3 43.5 1 1 18.5 0 0
68.0 2 4 43.0 0 0 18.0 0 0
67.5 0 10 42.5 0 1 17.5 0 0
67.0 4 0 42.0 2 0 17.0 0 0
66.5 3 3 41.5 0 2 16.5 0 0
66.0 3 1 41.0 0 0 16.0 0 0
65.5 3 4 40.5 0 0 15.5 0 0
65.0 3 2 40.0 0 0 15.0 0 0
64.5 2 5 39.5 0 0 14.5 0 0
64.0 1 5 39.0 0 1 14.0 0 0
63.5 0 2 38.5 1 0 13.5 0 0
63.0 1 2 38.0 0 0 13.0 0 0
62.5 3 3 37.5 1 0 12.5 0 0
62.0 3 1 37.0 0 0 12.0 0 1
61.5 0 3 36.5 0 0 11.5 0 0
61.0 1 1 36.0 0 2 11.0 0 0
60.5 0 1 35.5 0 0 10.5 0 0
60.0 5 3 35.0 0 0 10.0 0 0
59.5 1 1 34.5 0 0 9.5 0 0
59.0 1 1 34.0 0 0 9.0 0 0
58.5 3 2 33.5 0 0 8.5 0 0
58.0 1 4 33.0 0 0 8.0 0 0
57.5 1 1 32.5 0 0 7.5 0 0
57.0 1 0 32.0 0 0 7.0 0 0
56.5 3 0 31.5 0 0 6.5 0 0
56.0 1 4 31.0 0 0 6.0 0 0
55.5 0 0 30.5 0 0 5.5 0 0
55.0 0 1 30.0 1 1 5.0 0 0
54.5 0 0 29.5 0 0 4.5 0 0
54.0 1 1 29.0 0 0 4.0 0 0
53.5 1 1 28.5 0 0 3.5 0 0
53.0 0 0 28.0 0 0 3.0 0 0
52.5 1 0 27.5 0 0 2.5 0 0
52.0 1 0 27.0 0 0 2.0 0 0
51.5 1 1 26.5 0 0 1.5 0 0
51.0 0 0 26.0 0 0 1.0 0 0
50.5 0 1 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 10 B Results for Oregon
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 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 0 0 0 0 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 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 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 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 0 0
124.5 0 0 0 0 0 0 0
124.0 0 0 0 0 0 1 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 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 0 0 0
120.0 0 0 0 0 1 1 0
119.5 0 0 0 1 0 1 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 0 0 0 0
116.5 0 0 0 0 0 0 0
116.0 0 0 0 0 1 1 0
115.5 0 0 0 0 0 0 0
115.0 0 0 0 0 1 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 0 0 1 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 0 0 0
111.5 0 0 0 0 0 3 0
111.0 0 0 0 0 0 0 0
110.5 0 0 0 0 0 0 0
110.0 0 0 0 0 0 1 0
109.5 0 0 0 0 1 0 0
109.0 0 0 0 1 1 1 0
108.5 0 0 0 0 0 1 0
108.0 0 0 0 0 0 1 0
107.5 0 0 0 0 1 1 0
107.0 0 0 0 0 0 0 0
106.5 0 0 0 0 0 3 0
106.0 0 0 0 0 0 0 0
105.5 0 0 0 1 0 3 0
105.0 0 0 0 0 1 1 0
104.5 0 0 0 0 1 0 0
104.0 0 0 0 0 0 4 0
103.5 0 0 0 0 0 1 0
103.0 0 0 0 0 0 2 0
102.5 0 0 0 0 0 1 0
102.0 0 0 0 0 0 2 0
101.5 0 0 0 0 0 0 0
101.0 0 0 0 2 1 2 0
100.5 0 0 0 0 1 2 0
100.0 0 0 0 0 0 0 0
99.5 0 0 0 1 0 1 0
99.0 0 0 0 0 0 0 0
98.5 0 0 0 0 0 4 0
98.0 0 0 0 1 2 0 0
97.5 0 0 0 0 0 1 0
97.0 0 0 0 0 2 3 0
96.5 0 0 0 0 0 0 0
96.0 0 0 0 1 2 3 0
95.5 0 0 0 0 0 1 0
95.0 0 0 0 0 2 2 0
94.5 0 0 0 0 2 1 1
94.0 0 0 0 0 0 3 0
93.5 0 0 0 0 0 3 1
93.0 0 0 0 0 0 1 0
92.5 0 0 0 0 2 3 0
92.0 0 0 0 0 1 2 0
91.5 0 0 0 0 2 5 0
91.0 0 0 0 0 0 5 0
90.5 0 0 0 0 3 3 0
90.0 0 0 0 0 4 4 0
89.5 0 0 0 0 0 1 0
89.0 0 0 1 0 4 6 0
88.5 0 0 0 1 2 4 0
88.0 0 1 0 1 3 5 0
87.5 0 0 0 0 1 2 0
87.0 0 0 0 0 2 2 0
86.5 0 0 0 0 2 9 0
86.0 0 0 0 0 0 1 0
85.5 0 0 0 0 2 8 0
85.0 0 0 0 0 1 3 0
84.5 0 1 0 0 3 3 0
84.0 0 0 0 2 0 4 0
83.5 0 0 0 0 5 3 0
83.0 0 0 0 0 6 9 0
82.5 0 0 0 0 0 1 0
82.0 0 0 0 1 1 7 0
81.5 0 0 0 0 0 1 0
81.0 0 0 0 0 1 4 0
80.5 0 0 0 0 3 1 0
80.0 0 0 0 0 3 6 0
79.5 0 0 1 0 2 4 1
79.0 0 0 0 0 2 1 0
78.5 0 0 0 1 1 6 0
78.0 0 0 0 0 4 2 0
77.5 0 0 0 0 5 3 0
77.0 0 0 0 1 2 5 0
76.5 0 0 0 0 1 6 0
76.0 0 0 0 0 7 5 0
75.5 0 0 0 0 1 1 0
75.0 0 0 0 0 7 5 0
74.5 0 0 0 0 1 5 0
74.0 0 0 0 0 1 4 0
73.5 0 0 0 0 4 3 0
73.0 0 0 0 1 2 6 0
72.5 0 0 0 0 7 2 0
72.0 0 0 0 0 3 4 0
71.5 0 0 0 0 3 2 1
71.0 0 0 0 0 1 7 0
70.5 0 0 0 1 3 2 0
70.0 0 0 0 0 1 8 0
69.5 0 0 0 0 3 1 0
69.0 0 0 0 1 1 3 0
68.5 0 0 0 1 1 2 0
68.0 0 0 0 0 6 1 0
67.5 0 0 0 0 5 5 0
67.0 0 0 0 0 1 3 0
66.5 0 0 0 0 3 3 0
66.0 0 0 0 0 0 3 1
65.5 0 0 0 0 4 3 0
65.0 0 0 0 0 3 2 0
64.5 0 0 0 0 2 5 0
64.0 0 0 0 0 3 3 0
63.5 0 0 0 0 1 1 0
63.0 0 0 0 0 1 2 0
62.5 0 0 0 0 3 3 0
62.0 0 0 1 1 1 1 0
61.5 0 0 0 0 2 1 0
61.0 0 0 0 0 1 1 0
60.5 0 0 0 0 1 0 0
60.0 0 0 0 0 6 2 0
59.5 0 0 0 0 1 1 0
59.0 0 0 0 0 2 0 0
58.5 0 0 0 0 4 1 0
58.0 0 1 0 0 2 2 0
57.5 0 0 0 0 0 2 0
57.0 0 0 0 0 0 1 0
56.5 0 0 0 0 1 2 0
56.0 0 0 0 0 4 1 0
55.5 0 0 0 0 0 0 0
55.0 0 0 0 0 0 1 0
54.5 0 0 0 0 0 0 0
54.0 0 0 0 0 0 2 0
53.5 0 0 0 0 2 0 0
53.0 0 0 0 0 0 0 0
52.5 0 0 0 0 0 1 0
52.0 0 0 0 0 1 0 0
51.5 0 0 0 0 1 1 0
51.0 0 0 0 0 0 0 0
50.5 0 0 0 0 0 1 0
50.0 0 0 0 0 0 0 0
49.5 0 0 0 0 0 2 0
49.0 0 0 0 0 1 0 0
48.5 0 0 0 0 0 0 0
48.0 0 0 0 0 1 0 0
47.5 0 0 0 0 0 2 0
47.0 0 0 0 0 0 0 0
46.5 0 0 0 0 0 1 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 0 0 0
44.5 0 0 0 0 0 0 0
44.0 0 0 0 0 0 0 0
43.5 0 0 0 0 1 1 0
43.0 0 0 0 0 0 0 0
42.5 0 0 0 0 0 1 0
42.0 0 0 0 0 2 0 0
41.5 0 0 0 0 2 0 0
41.0 0 0 0 0 0 0 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 1 0 0
38.5 0 0 0 0 0 1 0
38.0 0 0 0 0 0 0 0
37.5 0 0 0 0 1 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 1 1 0
35.5 0 0 0 0 0 0 0
35.0 0 0 0 0 0 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 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 2 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 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 1 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 Oregon
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 0.00 0.09 9.53* 0.16 0.04 0.16 0.02
2 0.04 0.13 1.23 7.70* 0.18 0.72 0.00
3 0.25 7.28* 0.42 0.38 0.05 1.61 0.00
4 8.21* 0.18 0.31 0.11 0.11 1.09 0.00
5 0.42 0.27 3.80* 0.74 0.91 3.84 0.02
6 0.91 1.83 0.24 3.17* 0.43 3.42 0.00
7 0.51 4.18* 0.25 0.85 0.38 3.82 0.00
8 0.07 0.69* 0.40 0.58 0.31 7.95 0.00
9 0.33 2.14* 0.38 0.31 0.27 6.58 0.00
10 0.11 0.34 2.68* 1.09 0.49 5.29 0.00
11 4.49* 0.40 0.42 0.25 0.63 3.80 0.00
12 0.40 0.38 5.96* 0.18 0.27 2.81 0.00
13 2.01 0.54 0.25 0.58 0.74* 5.87 0.00
14 0.89 0.27 0.24 2.32* 0.18 6.11 0.00
15 1.56 1.79 0.18 0.82 2.30* 3.35 0.00
16 0.20 0.13 0.34 0.40 4.35* 4.58 0.00
17 0.09 1.20* 0.62 0.16 0.02 7.92 0.00
18 0.38 1.03 0.25 0.92* 1.14 6.27 0.00
19 0.13 0.14 0.34 0.45 0.34* 8.59 0.00
20 0.13 0.40 0.36 1.49* 1.01 6.61 0.00
21 1.54 0.16 0.47* 1.27 0.31 6.25 0.00
22 1.34 2.16* 1.32 0.72 0.31 4.15 0.00
23 0.34 0.33 0.54 0.83* 0.20 7.75 0.00
24 0.16 0.09 1.27 0.07 0.09* 8.32 0.00
25 0.76 2.19* 0.94 0.27 0.25 5.58 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 Oregon
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 0
149.5 0 0 124.5 0 0 99.5 6 0
149.0 0 0 124.0 0 0 99.0 0 0
148.5 0 0 123.5 0 0 98.5 3 1
148.0 0 0 123.0 0 0 98.0 2 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 1 0 96.5 0 0
146.0 0 0 121.0 0 0 96.0 3 0
145.5 0 0 120.5 0 0 95.5 1 0
145.0 0 0 120.0 0 0 95.0 9 6
144.5 0 0 119.5 1 0 94.5 3 2
144.0 0 0 119.0 0 0 94.0 4 0
143.5 0 0 118.5 3 0 93.5 5 3
143.0 0 0 118.0 0 0 93.0 0 0
142.5 0 0 117.5 0 0 92.5 2 2
142.0 0 0 117.0 3 0 92.0 1 1
141.5 0 0 116.5 0 0 91.5 1 2
141.0 0 0 116.0 0 0 91.0 2 0
140.5 0 0 115.5 0 0 90.5 2 2
140.0 0 0 115.0 0 0 90.0 8 2
139.5 0 0 114.5 0 0 89.5 0 0
139.0 0 0 114.0 0 0 89.0 6 4
138.5 0 0 113.5 1 0 88.5 3 0
138.0 0 0 113.0 0 0 88.0 8 2
137.5 0 0 112.5 1 1 87.5 2 4
137.0 0 0 112.0 0 0 87.0 3 1
136.5 0 0 111.5 1 0 86.5 8 5
136.0 0 0 111.0 0 0 86.0 1 0
135.5 0 0 110.5 0 0 85.5 9 6
135.0 0 0 110.0 3 0 85.0 2 0
134.5 0 0 109.5 0 0 84.5 2 2
134.0 0 0 109.0 0 0 84.0 5 2
133.5 0 0 108.5 0 0 83.5 4 0
133.0 0 0 108.0 0 0 83.0 12 4
132.5 0 0 107.5 0 0 82.5 1 4
132.0 0 0 107.0 0 0 82.0 6 6
131.5 0 0 106.5 0 0 81.5 8 2
131.0 0 0 106.0 0 0 81.0 5 4
130.5 0 0 105.5 1 0 80.5 2 5
130.0 0 0 105.0 0 0 80.0 6 3
129.5 0 0 104.5 0 1 79.5 6 3
129.0 0 0 104.0 2 1 79.0 1 2
128.5 0 0 103.5 0 0 78.5 10 6
128.0 0 0 103.0 2 0 78.0 7 2
127.5 0 0 102.5 0 1 77.5 7 3
127.0 0 0 102.0 4 1 77.0 12 9
126.5 0 0 101.5 0 1 76.5 4 6
126.0 0 0 101.0 0 1 76.0 12 3
125.5 0 0 100.5 3 1 75.5 1 6
American Mathematics Competitions
2003 AMC 12 B Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 6 9 50.0 0 1 25.0 0 0
74.5 6 6 49.5 1 0 24.5 0 0
74.0 11 8 49.0 1 0 24.0 0 0
73.5 12 6 48.5 1 1 23.5 0 0
73.0 2 4 48.0 6 1 23.0 0 0
72.5 9 10 47.5 0 0 22.5 0 0
72.0 2 3 47.0 0 0 22.0 0 0
71.5 7 17 46.5 0 0 21.5 0 0
71.0 11 7 46.0 0 0 21.0 0 0
70.5 0 7 45.5 0 0 20.5 0 0
70.0 4 4 45.0 0 0 20.0 0 0
69.5 3 2 44.5 2 1 19.5 0 0
69.0 7 12 44.0 0 1 19.0 0 0
68.5 5 5 43.5 1 1 18.5 1 0
68.0 8 5 43.0 0 0 18.0 0 1
67.5 11 8 42.5 0 1 17.5 0 0
67.0 1 1 42.0 1 1 17.0 0 0
66.5 5 8 41.5 0 1 16.5 0 0
66.0 4 6 41.0 2 1 16.0 0 0
65.5 4 6 40.5 1 0 15.5 0 0
65.0 4 4 40.0 0 1 15.0 0 0
64.5 4 3 39.5 0 0 14.5 0 0
64.0 3 10 39.0 1 0 14.0 0 0
63.5 5 7 38.5 0 0 13.5 0 0
63.0 4 6 38.0 1 0 13.0 0 0
62.5 1 3 37.5 0 1 12.5 0 0
62.0 1 3 37.0 0 0 12.0 0 0
61.5 2 7 36.5 1 0 11.5 0 0
61.0 3 0 36.0 3 0 11.0 0 0
60.5 2 9 35.5 1 0 10.5 0 0
60.0 1 5 35.0 1 0 10.0 0 0
59.5 4 4 34.5 0 0 9.5 0 0
59.0 8 3 34.0 0 0 9.0 0 0
58.5 2 1 33.5 0 0 8.5 0 0
58.0 4 5 33.0 0 0 8.0 0 0
57.5 0 1 32.5 0 0 7.5 0 0
57.0 4 1 32.0 0 0 7.0 0 0
56.5 3 6 31.5 0 0 6.5 0 0
56.0 1 0 31.0 0 0 6.0 0 0
55.5 3 3 30.5 0 0 5.5 0 0
55.0 3 3 30.0 1 0 5.0 0 0
54.5 2 1 29.5 0 0 4.5 0 0
54.0 2 3 29.0 0 0 4.0 0 0
53.5 0 2 28.5 0 0 3.5 0 0
53.0 1 5 28.0 0 0 3.0 0 0
52.5 0 0 27.5 0 0 2.5 0 0
52.0 0 2 27.0 1 0 2.0 0 0
51.5 0 2 26.5 0 0 1.5 0 0
51.0 2 1 26.0 0 0 1.0 0 0
50.5 1 1 25.5 0 1 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 B Results for Oregon
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 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 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 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 0 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 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 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 0 0 0 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 1 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 1 0 0 0
119.0 0 0 0 0 0 0 0 0 0 0
118.5 0 0 0 0 0 0 0 3 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 3 0 0
116.5 0 0 0 0 0 0 0 0 0 0
116.0 0 0 0 0 0 0 0 0 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 1 0 0 0
113.0 0 0 0 0 0 0 0 0 0 0
112.5 0 0 0 0 0 0 1 1 0 0
112.0 0 0 0 0 0 0 0 0 0 0
111.5 0 0 0 0 0 0 0 1 0 0
111.0 0 0 0 0 0 0 0 0 0 0
110.5 0 0 0 0 0 0 0 0 0 0
110.0 0 0 0 0 0 0 0 3 0 0
109.5 0 0 0 0 0 0 0 0 0 0
109.0 0 0 0 0 0 0 0 0 0 0
108.5 0 0 0 0 0 0 0 0 0 0
108.0 0 0 0 0 0 0 0 0 0 0
107.5 0 0 0 0 0 0 0 0 0 0
107.0 0 0 0 0 0 0 0 0 0 0
106.5 0 0 0 0 0 0 0 0 0 0
106.0 0 0 0 0 0 0 0 0 0 0
105.5 0 0 0 0 0 0 1 0 0 0
105.0 0 0 0 0 0 0 0 0 0 0
104.5 0 0 0 0 0 0 0 1 0 0
104.0 0 0 0 0 0 0 1 2 0 0
103.5 0 0 0 0 0 0 0 0 0 0
103.0 0 0 0 0 0 0 2 0 0 0
102.5 0 0 0 0 0 0 0 1 0 0
102.0 0 0 0 0 0 0 2 3 0 0
101.5 0 0 0 0 0 0 1 0 0 0
101.0 0 0 0 0 0 0 0 1 0 0
100.5 0 0 0 0 0 0 3 1 0 0
100.0 0 0 0 0 0 0 0 0 0 0
99.5 0 0 0 0 0 1 1 4 0 0
99.0 0 0 0 0 0 0 0 0 0 0
98.5 0 0 0 0 0 0 2