American Mathematics Competitions
2003 AMC 10 A Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1421
Number of unofficial participants: 28
Average score of participants: 66.4
Average score for female students is: 64.7 ( 702 Students)
Average score for male students is: 68.1 ( 658 Students)
Average score for unspecified gender is 68.6 ( 61 Students)
Average score for grade 10 is: 67.5 ( 837 Students)
Average score for grade 9 is: 64.8 ( 525 Students)
Average score for grade 8 and below is: 67.1 ( 37 Students)
Average score with unknown grade: 64.4 ( 22 Students)
AIME qualifying score = 119.0 or better
Number of AIME qualifers 1
Number of schools returning results 58
Average school winning score 94.74
American Mathematics Competitions
2003 AMC 12 A Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 2033
Number of unofficial participants: 22
Average score of participants: 71.5
Average score for female students is: 68.3 ( 884 Students)
Average score for male students is: 73.9 ( 1098 Students)
Average score for unspecified gender is 75.0 ( 51 Students)
Average score for grade 13 is: 93.5 ( 1 Student)
Average score for grade 12 is: 73.9 ( 900 Students)
Average score for grade 11 is: 68.3 ( 965 Students)
Average score for grade 10 is: 76.6 ( 108 Students)
Average score for grade 9 is: 78.8 ( 38 Students)
Average score with unknown grade: 74.4 ( 21 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 105
Number of schools returning results 65
Average school winning score 100.47
Average school team score 282.75
American Mathematics Competitions
2003 AMC 10 B Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 348
Number of unofficial participants: 6
Average score of participants: 70.1
Average score for female students is: 68.0 ( 167 Students)
Average score for male students is: 72.6 ( 162 Students)
Average score for unspecified gender is 67.2 ( 19 Students)
Average score for grade 10 is: 73.0 ( 134 Students)
Average score for grade 9 is: 67.9 ( 196 Students)
Average score for grade 8 and below is: 76.7 ( 11 Students)
Average score with unknown grade: 64.6 ( 7 Students)
AIME qualifying score = 121.0 or better
Number of AIME qualifers 0
Number of schools returning results 12
Average school winning score 102.79
American Mathematics Competitions
2003 AMC 12 B Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 492
Number of unofficial participants: 14
Average score of participants: 66.1
Average score for female students is: 63.7 ( 233 Students)
Average score for male students is: 68.4 ( 245 Students)
Average score for unspecified gender is 64.4 ( 14 Students)
Average score for grade 12 is: 70.4 ( 169 Students)
Average score for grade 11 is: 63.6 ( 218 Students)
Average score for grade 10 is: 65.5 ( 67 Students)
Average score for grade 9 is: 61.3 ( 34 Students)
Average score for grade 8 and below is: 52.0 ( 2 Students)
Average score with unknown grade: 84.0 ( 2 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 19
Number of schools returning results 19
Average school winning score 99.39
Average school team score 268.34
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 0 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 1 0 0
139.0 0 0 0 0
138.5 0 0 0 0
138.0 0 0 0 0
137.5 0 0 0 0
137.0 1 0 0 0
136.5 0 0 0 0
136.0 1 0 0 0
135.5 0 0 0 0
135.0 0 0 0 0
134.5 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 1 0 0 0
131.5 0 0 0 0
131.0 2 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 0 1 0 0
126.0 0 0 0 0
125.5 2 0 0 0
125.0 0 0 0 0
124.5 0 0 0 0
124.0 0 1 0 0
123.5 0 0 0 0
123.0 0 0 0 0
122.5 0 1 0 0
122.0 1 0 0 0
121.5 0 1 0 0
121.0 0 0 0 0
120.5 1 0 0 1
120.0 0 0 0 0
119.5 1 0 0 0
119.0 0 0 0 0
118.5 1 1 0 0
118.0 1 0 0 0
117.5 0 0 0 0
117.0 1 0 1 0
116.5 0 0 1 0
116.0 2 0 1 1
115.5 1 0 0 0
115.0 3 0 0 0
114.5 2 0 2 0
114.0 0 0 0 0
113.5 3 2 1 0
113.0 0 0 0 0
112.5 6 0 2 0
112.0 0 0 1 0
111.5 3 0 1 0
111.0 1 2 0 0
110.5 0 0 0 0
110.0 5 2 2 1
109.5 0 0 0 0
109.0 5 0 0 1
108.5 2 0 2 0
108.0 4 0 1 1
107.5 2 0 2 1
107.0 0 0 0 0
106.5 9 1 3 0
106.0 0 0 1 0
105.5 7 3 1 1
105.0 0 0 0 0
104.5 5 0 1 1
104.0 1 0 3 0
103.5 0 1 0 0
103.0 4 1 5 0
102.5 1 0 1 2
102.0 9 1 2 1
101.5 2 0 2 0
101.0 2 0 0 0
100.5 6 0 2 2
100.0 5 0 0 0
99.5 7 1 2 0
99.0 3 0 2 1
98.5 5 3 0 0
98.0 9 0 5 0
97.5 1 0 1 1
97.0 8 3 7 2
96.5 2 0 1 0
96.0 18 1 0 1
95.5 6 0 5 0
95.0 14 1 6 1
94.5 13 0 3 2
94.0 5 0 1 0
93.5 14 3 4 3
93.0 3 0 2 0
92.5 11 2 7 3
92.0 2 0 3 0
91.5 8 0 3 1
91.0 12 0 7 0
90.5 4 0 1 0
90.0 24 3 10 3
89.5 1 0 6 1
89.0 26 2 15 2
88.5 10 0 7 1
88.0 15 0 3 2
87.5 10 3 9 2
87.0 6 1 2 2
86.5 15 5 13 1
86.0 4 0 6 1
85.5 13 2 5 6
85.0 12 4 9 4
84.5 9 4 5 6
84.0 27 4 10 2
83.5 7 1 4 4
83.0 36 5 11 3
82.5 14 2 11 0
82.0 20 4 10 4
81.5 10 2 12 5
81.0 13 1 4 3
80.5 21 3 25 2
80.0 16 0 9 3
79.5 26 5 15 4
79.0 16 1 9 1
78.5 14 8 7 9
78.0 26 4 13 4
77.5 20 3 11 2
77.0 39 6 19 3
76.5 15 5 4 4
76.0 27 7 16 3
75.5 17 2 9 5
75.0 23 5 10 5
74.5 31 5 20 5
74.0 23 6 13 8
73.5 27 11 22 2
73.0 21 4 10 5
72.5 29 11 11 8
72.0 23 1 22 2
71.5 30 8 16 6
71.0 28 7 24 2
70.5 27 5 16 7
70.0 28 7 25 5
69.5 22 3 18 7
69.0 26 9 23 4
68.5 22 6 20 2
68.0 34 9 23 4
67.5 28 10 16 3
67.0 27 8 21 3
66.5 32 8 26 7
66.0 28 6 23 10
65.5 30 9 22 4
65.0 21 11 14 2
64.5 25 3 12 5
64.0 28 8 12 4
63.5 25 5 14 6
63.0 33 4 23 4
62.5 23 8 13 3
62.0 24 6 17 8
61.5 25 9 17 3
61.0 23 6 12 4
60.5 23 5 22 6
60.0 32 6 16 2
59.5 24 5 18 2
59.0 22 7 14 3
58.5 11 2 16 9
58.0 32 8 21 4
57.5 21 8 14 1
57.0 23 4 24 0
56.5 20 5 8 4
56.0 28 4 12 3
55.5 9 4 18 3
55.0 15 3 12 2
54.5 8 6 17 3
54.0 15 6 28 3
53.5 13 6 10 1
53.0 12 4 7 1
52.5 6 4 6 3
52.0 14 2 10 1
51.5 10 4 6 3
51.0 12 5 11 3
50.5 7 4 13 2
50.0 7 1 11 2
49.5 7 3 13 3
49.0 7 2 4 0
48.5 10 3 6 1
48.0 9 4 13 3
47.5 3 0 2 1
47.0 7 0 9 0
46.5 7 3 5 0
46.0 3 4 11 2
45.5 6 2 7 1
45.0 5 5 8 1
44.5 6 1 3 2
44.0 6 0 7 1
43.5 2 1 7 1
43.0 4 2 5 0
42.5 0 1 3 0
42.0 9 4 12 4
41.5 5 2 5 1
41.0 2 2 3 1
40.5 3 0 1 0
40.0 0 0 3 0
39.5 0 1 1 1
39.0 2 0 5 0
38.5 3 0 2 0
38.0 5 3 4 1
37.5 0 3 4 0
37.0 2 0 2 0
36.5 0 0 2 0
36.0 8 2 10 2
35.5 1 2 1 0
35.0 0 3 1 0
34.5 5 0 2 0
34.0 0 0 2 0
33.5 1 0 0 0
33.0 3 0 3 0
32.5 0 0 3 0
32.0 1 0 0 0
31.5 1 2 2 0
31.0 0 1 2 0
30.5 0 0 1 0
30.0 0 5 10 1
29.5 0 1 2 0
29.0 1 0 1 0
28.5 0 1 0 0
28.0 0 0 1 1
27.5 0 0 0 0
27.0 1 0 1 0
26.5 1 1 1 0
26.0 0 0 0 0
25.5 0 1 0 1
25.0 0 0 0 0
24.5 1 1 0 0
24.0 4 2 8 0
23.5 0 0 0 0
23.0 1 0 0 0
22.5 0 0 0 0
22.0 1 0 1 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 1 0
18.0 2 2 3 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 1 1 0
11.5 0 0 0 0
11.0 0 0 0 0
10.5 0 0 0 0
10.0 0 0 0 0
9.5 0 0 0 0
9.0 0 0 0 0
8.5 0 0 0 0
8.0 0 0 0 0
7.5 0 0 0 0
7.0 0 0 0 0
6.5 0 0 0 0
6.0 0 0 0 0
5.5 0 0 0 0
5.0 0 0 0 0
4.5 0 0 0 0
4.0 0 0 0 0
3.5 0 0 0 0
3.0 0 0 0 0
2.5 0 0 0 0
2.0 0 0 0 0
1.5 0 0 0 0
1.0 0 0 0 0
0.5 0 0 0 0
0 0 0 0
American Mathematics Competitions
2003 AMC 10 A Results for Nebraska
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 1 1
149.0 0 0 124.0 0 0 99.0 2 0
148.5 0 0 123.5 0 0 98.5 0 0
148.0 0 0 123.0 0 0 98.0 3 1
147.5 0 0 122.5 0 0 97.5 0 0
147.0 0 0 122.0 0 0 97.0 5 1
146.5 0 0 121.5 0 0 96.5 1 0
146.0 0 0 121.0 0 0 96.0 0 0
145.5 0 0 120.5 0 0 95.5 1 3
145.0 0 0 120.0 0 0 95.0 5 1
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 0 0 93.5 3 1
143.0 0 0 118.0 0 0 93.0 2 0
142.5 0 0 117.5 0 0 92.5 3 4
142.0 0 0 117.0 1 0 92.0 1 2
141.5 0 0 116.5 1 0 91.5 1 1
141.0 0 0 116.0 1 0 91.0 4 3
140.5 0 0 115.5 0 0 90.5 0 1
140.0 0 0 115.0 0 0 90.0 6 4
139.5 0 0 114.5 1 1 89.5 3 2
139.0 0 0 114.0 0 0 89.0 8 6
138.5 0 0 113.5 1 0 88.5 5 2
138.0 0 0 113.0 0 0 88.0 1 2
137.5 0 0 112.5 1 1 87.5 5 4
137.0 0 0 112.0 0 1 87.0 0 2
136.5 0 0 111.5 0 0 86.5 7 6
136.0 0 0 111.0 0 0 86.0 3 2
135.5 0 0 110.5 0 0 85.5 2 3
135.0 0 0 110.0 2 0 85.0 5 4
134.5 1 0 109.5 0 0 84.5 2 2
134.0 0 0 109.0 0 0 84.0 4 6
133.5 0 0 108.5 0 2 83.5 3 1
133.0 0 0 108.0 1 0 83.0 8 3
132.5 0 0 107.5 2 0 82.5 8 3
132.0 0 0 107.0 0 0 82.0 3 6
131.5 0 0 106.5 3 0 81.5 6 6
131.0 0 0 106.0 0 1 81.0 1 3
130.5 0 0 105.5 0 1 80.5 15 9
130.0 0 0 105.0 0 0 80.0 5 4
129.5 0 0 104.5 1 0 79.5 10 4
129.0 0 0 104.0 2 1 79.0 4 5
128.5 0 0 103.5 0 0 78.5 2 5
128.0 0 0 103.0 3 2 78.0 8 5
127.5 0 0 102.5 0 1 77.5 4 6
127.0 0 0 102.0 2 0 77.0 13 5
126.5 0 0 101.5 2 0 76.5 1 3
126.0 0 0 101.0 0 0 76.0 7 7
125.5 0 0 100.5 1 1 75.5 4 5
American Mathematics Competitions
2003 AMC 10 A Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 5 5 50.0 4 7 25.0 0 0
74.5 8 12 49.5 6 7 24.5 0 0
74.0 7 6 49.0 2 2 24.0 5 3
73.5 11 10 48.5 1 5 23.5 0 0
73.0 7 3 48.0 6 5 23.0 0 0
72.5 3 7 47.5 1 1 22.5 0 0
72.0 7 13 47.0 2 7 22.0 1 0
71.5 7 8 46.5 1 4 21.5 0 0
71.0 12 12 46.0 5 4 21.0 0 0
70.5 8 8 45.5 2 5 20.5 0 0
70.0 9 13 45.0 3 4 20.0 0 0
69.5 9 7 44.5 0 3 19.5 0 0
69.0 13 9 44.0 4 3 19.0 0 0
68.5 5 12 43.5 4 3 18.5 0 1
68.0 8 14 43.0 2 3 18.0 3 0
67.5 5 10 42.5 1 2 17.5 0 0
67.0 8 13 42.0 3 9 17.0 0 0
66.5 13 12 41.5 0 4 16.5 0 0
66.0 10 11 41.0 2 1 16.0 0 0
65.5 6 15 40.5 0 1 15.5 0 0
65.0 8 5 40.0 1 2 15.0 0 0
64.5 2 9 39.5 0 1 14.5 0 0
64.0 5 6 39.0 2 3 14.0 0 0
63.5 6 8 38.5 2 0 13.5 0 0
63.0 9 14 38.0 1 3 13.0 0 0
62.5 10 3 37.5 0 3 12.5 0 0
62.0 9 7 37.0 0 2 12.0 0 1
61.5 5 11 36.5 1 1 11.5 0 0
61.0 7 5 36.0 6 4 11.0 0 0
60.5 11 11 35.5 1 0 10.5 0 0
60.0 9 5 35.0 1 0 10.0 0 0
59.5 9 8 34.5 1 1 9.5 0 0
59.0 9 5 34.0 0 2 9.0 0 0
58.5 7 9 33.5 0 0 8.5 0 0
58.0 7 12 33.0 2 1 8.0 0 0
57.5 4 10 32.5 2 1 7.5 0 0
57.0 11 9 32.0 0 0 7.0 0 0
56.5 1 7 31.5 1 1 6.5 0 0
56.0 7 5 31.0 0 2 6.0 0 0
55.5 7 11 30.5 1 0 5.5 0 0
55.0 6 6 30.0 5 5 5.0 0 0
54.5 9 8 29.5 1 1 4.5 0 0
54.0 13 14 29.0 1 0 4.0 0 0
53.5 6 3 28.5 0 0 3.5 0 0
53.0 3 4 28.0 0 1 3.0 0 0
52.5 3 3 27.5 0 0 2.5 0 0
52.0 4 5 27.0 0 1 2.0 0 0
51.5 2 4 26.5 1 0 1.5 0 0
51.0 4 7 26.0 0 0 1.0 0 0
50.5 3 10 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 10 A Results for Nebraska
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 1 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 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 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 1 0
116.5 0 0 0 0 1 0 0
116.0 0 0 0 0 0 1 0
115.5 0 0 0 0 0 0 0
115.0 0 0 0 0 0 0 0
114.5 0 0 1 0 0 1 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 1 1 0
112.0 0 0 0 0 0 1 0
111.5 0 0 0 0 1 0 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 1 1 0
109.5 0 0 0 0 0 0 0
109.0 0 0 0 0 0 0 0
108.5 0 0 0 0 0 2 0
108.0 0 0 0 0 1 0 0
107.5 0 0 0 0 2 0 0
107.0 0 0 0 0 0 0 0
106.5 0 0 0 0 2 1 0
106.0 0 0 0 0 0 1 0
105.5 0 0 0 0 0 1 0
105.0 0 0 0 0 0 0 0
104.5 0 0 0 1 0 0 0
104.0 0 0 0 0 0 3 0
103.5 0 0 0 0 0 0 0
103.0 0 0 0 0 0 5 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 1 1 0
101.0 0 0 0 0 0 0 0
100.5 0 0 0 0 1 1 0
100.0 0 0 0 0 0 0 0
99.5 0 0 0 0 2 0 0
99.0 0 0 0 0 1 1 0
98.5 0 0 0 0 0 0 0
98.0 0 0 0 0 1 4 0
97.5 0 0 0 0 0 1 0
97.0 0 0 0 0 1 6 0
96.5 0 0 0 1 0 0 0
96.0 0 0 0 0 0 0 0
95.5 0 0 0 0 1 4 0
95.0 0 0 0 0 2 4 0
94.5 0 0 0 0 1 2 0
94.0 0 0 0 0 0 1 0
93.5 0 0 0 0 1 3 0
93.0 0 0 0 0 0 2 0
92.5 0 0 0 0 1 6 0
92.0 0 0 0 0 1 2 0
91.5 0 0 0 0 1 2 0
91.0 0 0 0 0 1 6 0
90.5 0 0 0 0 0 1 0
90.0 0 0 0 0 6 4 0
89.5 0 0 0 0 2 3 1
89.0 0 0 0 0 8 7 0
88.5 0 0 0 0 2 5 0
88.0 0 0 0 0 2 1 0
87.5 0 0 0 0 2 7 0
87.0 0 0 0 0 2 0 0
86.5 0 0 0 0 7 6 0
86.0 0 0 0 0 1 5 0
85.5 0 0 0 0 3 2 0
85.0 0 0 0 0 3 6 0
84.5 0 0 0 0 1 4 0
84.0 0 0 0 0 5 5 0
83.5 0 0 0 0 2 2 0
83.0 0 0 0 0 7 4 0
82.5 0 0 0 0 3 8 0
82.0 0 0 0 0 3 6 1
81.5 0 0 0 0 4 8 0
81.0 0 0 0 1 0 3 0
80.5 0 0 0 1 12 12 0
80.0 0 0 0 0 4 5 0
79.5 0 0 0 0 6 9 0
79.0 0 0 0 1 1 7 0
78.5 0 0 0 0 2 5 0
78.0 0 0 0 0 5 8 0
77.5 0 0 0 1 3 6 1
77.0 0 0 0 0 8 11 0
76.5 0 0 1 0 0 3 0
76.0 0 0 0 1 4 11 0
75.5 0 0 0 0 1 8 0
75.0 0 0 0 0 2 8 0
74.5 0 0 0 0 6 14 0
74.0 0 0 0 0 7 6 0
73.5 0 0 0 0 8 13 1
73.0 0 0 0 0 2 8 0
72.5 0 1 0 0 4 5 1
72.0 0 0 0 0 8 13 1
71.5 0 0 0 0 8 8 0
71.0 0 0 0 0 12 12 0
70.5 0 0 0 1 2 13 0
70.0 0 0 0 3 6 15 1
69.5 0 0 0 0 5 13 0
69.0 0 0 0 3 5 15 0
68.5 0 0 0 0 6 12 2
68.0 0 0 0 2 6 14 1
67.5 0 0 0 0 6 9 1
67.0 0 0 0 0 8 13 0
66.5 0 0 0 0 13 13 0
66.0 0 0 0 0 9 13 1
65.5 0 0 0 1 10 11 0
65.0 0 0 0 0 5 8 1
64.5 0 0 0 0 5 7 0
64.0 0 0 0 0 8 4 0
63.5 0 0 0 0 3 11 0
63.0 0 0 0 0 8 15 0
62.5 0 0 0 1 5 7 0
62.0 0 0 0 4 4 8 1
61.5 0 0 0 0 5 12 0
61.0 0 0 0 0 4 8 0
60.5 0 0 0 0 8 14 0
60.0 0 0 0 0 7 8 1
59.5 0 0 0 1 8 9 0
59.0 0 0 0 1 3 10 0
58.5 0 1 0 0 5 10 0
58.0 0 0 0 0 7 13 1
57.5 0 0 0 0 4 10 0
57.0 0 0 0 0 8 15 1
56.5 0 0 0 0 3 5 0
56.0 0 0 0 1 5 6 0
55.5 0 0 0 0 9 9 0
55.0 0 0 0 0 3 9 0
54.5 0 0 0 1 5 11 0
54.0 0 0 0 1 13 13 1
53.5 0 0 0 0 3 7 0
53.0 0 0 0 0 3 4 0
52.5 0 0 0 1 3 2 0
52.0 0 0 0 0 4 5 1
51.5 0 0 0 0 3 3 0
51.0 0 0 0 1 3 7 0
50.5 0 0 0 0 5 8 0
50.0 0 0 0 0 3 8 0
49.5 0 0 0 0 6 7 0
49.0 0 0 0 0 1 3 0
48.5 0 0 0 0 3 3 0
48.0 0 0 0 2 4 7 0
47.5 0 0 0 0 1 1 0
47.0 0 0 0 0 5 4 0
46.5 0 0 0 0 1 4 0
46.0 0 0 0 0 5 4 2
45.5 0 0 0 0 4 3 0
45.0 0 0 0 0 5 3 0
44.5 0 0 0 0 2 1 0
44.0 0 0 0 0 3 4 0
43.5 0 0 0 0 3 4 0
43.0 0 0 0 0 2 3 0
42.5 0 0 0 0 1 2 0
42.0 0 0 0 1 5 6 0
41.5 0 0 0 0 2 2 1
41.0 0 0 0 1 1 1 0
40.5 0 0 0 0 0 1 0
40.0 0 0 0 0 1 2 0
39.5 0 0 0 0 0 1 0
39.0 0 0 0 0 4 1 0
38.5 0 0 0 0 1 1 0
38.0 0 0 0 0 1 3 0
37.5 0 0 0 0 1 3 0
37.0 0 0 0 0 1 1 0
36.5 0 0 0 0 2 0 0
36.0 0 0 0 0 6 4 0
35.5 0 0 0 0 1 0 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 1 1 0
33.5 0 0 0 0 0 0 0
33.0 0 0 0 0 1 2 0
32.5 0 0 0 0 2 1 0
32.0 0 0 0 0 0 0 0
31.5 0 0 0 0 2 0 0
31.0 0 0 0 0 1 1 0
30.5 0 0 0 0 1 0 0
30.0 0 0 0 0 7 3 0
29.5 0 0 0 0 1 1 0
29.0 0 0 0 0 0 1 0
28.5 0 0 0 0 0 0 0
28.0 0 0 0 0 0 1 0
27.5 0 0 0 0 0 0 0
27.0 0 0 0 0 1 0 0
26.5 0 0 0 0 1 0 0
26.0 0 0 0 0 0 0 0
25.5 0 0 0 0 0 0 0
25.0 0 0 0 0 0 0 0
24.5 0 0 0 0 0 0 0
24.0 0 0 0 0 3 5 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 1 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 1 0 0
18.0 0 0 0 0 1 2 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 A Results for Nebraska
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 0.81 2.46 0.81 2.97* 0.63 2.32 0.00
2 0.11 8.30* 0.20 0.95 0.07 0.37 0.00
3 0.67 2.31 0.61 2.60* 0.44 3.38 0.00
4 4.08* 0.23 0.52 2.70 0.17 2.30 0.00
5 0.91 3.59* 0.29 0.17 0.10 4.95 0.00
6 1.82 1.13 1.70* 0.62 1.06 3.67 0.01
7 1.14 1.40* 1.05 1.58 0.42 4.41 0.01
8 1.59 0.83 0.42 0.39 4.98* 1.78 0.01
9 1.03* 0.55 2.16 1.51 0.09 4.66 0.00
10 0.71 0.61 0.84 1.32 2.96* 3.56 0.00
11 0.36 0.23 0.36 0.35 4.65* 4.04 0.01
12 2.07* 2.71 0.26 1.38 0.83 2.75 0.00
13 4.15* 0.37 0.33 0.30 0.10 4.76 0.00
14 1.08* 0.91 0.46 0.72 0.72 6.11 0.00
15 0.74 1.65 3.29* 0.85 0.66 2.81 0.00
16 0.63 0.94 1.52* 0.20 0.67 6.04 0.00
17 0.51 0.54* 0.19 0.29 0.47 8.00 0.00
18 0.65 0.53* 0.23 0.65 0.91 7.02 0.00
19 0.21 0.32 0.35* 0.18 0.20 8.73 0.00
20 0.60 0.38 0.41 0.34 0.28* 7.99 0.00
21 0.68 0.54 1.18 1.73* 2.39 3.48 0.00
22 1.07 2.39* 0.56 0.24 0.08 5.66 0.00
23 0.31 0.35 0.69* 0.48 0.71 7.46 0.00
24 0.20 0.37 0.76 0.80 3.83* 4.04 0.00
25 0.23 0.51* 0.31 0.18 0.27 8.49 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 Nebraska
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 5 0
149.5 0 0 124.5 0 0 99.5 6 1
149.0 0 0 124.0 0 0 99.0 1 1
148.5 0 0 123.5 0 0 98.5 3 2
148.0 0 0 123.0 0 0 98.0 7 2
147.5 0 0 122.5 0 0 97.5 0 1
147.0 0 0 122.0 1 0 97.0 6 2
146.5 0 0 121.5 0 0 96.5 0 2
146.0 0 0 121.0 0 0 96.0 9 7
145.5 0 0 120.5 1 0 95.5 5 1
145.0 0 0 120.0 0 0 95.0 10 4
144.5 0 0 119.5 1 0 94.5 12 1
144.0 0 0 119.0 0 0 94.0 3 2
143.5 0 0 118.5 1 0 93.5 10 2
143.0 0 0 118.0 0 1 93.0 3 0
142.5 0 0 117.5 0 0 92.5 6 4
142.0 0 0 117.0 0 1 92.0 2 0
141.5 0 0 116.5 0 0 91.5 5 3
141.0 0 0 116.0 2 0 91.0 8 4
140.5 0 0 115.5 1 0 90.5 3 1
140.0 0 0 115.0 3 0 90.0 12 12
139.5 0 0 114.5 1 1 89.5 1 0
139.0 0 0 114.0 0 0 89.0 16 8
138.5 0 0 113.5 3 0 88.5 7 3
138.0 0 0 113.0 0 0 88.0 11 4
137.5 0 0 112.5 5 1 87.5 6 4
137.0 1 0 112.0 0 0 87.0 3 2
136.5 0 0 111.5 1 1 86.5 8 7
136.0 1 0 111.0 1 0 86.0 4 0
135.5 0 0 110.5 0 0 85.5 8 5
135.0 0 0 110.0 2 3 85.0 7 4
134.5 0 0 109.5 0 0 84.5 7 2
134.0 0 0 109.0 1 3 84.0 18 8
133.5 0 0 108.5 2 0 83.5 4 3
133.0 0 0 108.0 2 1 83.0 22 13
132.5 0 0 107.5 2 0 82.5 8 5
132.0 1 0 107.0 0 0 82.0 14 6
131.5 0 0 106.5 9 0 81.5 6 3
131.0 2 0 106.0 0 0 81.0 3 9
130.5 0 0 105.5 4 3 80.5 11 9
130.0 0 0 105.0 0 0 80.0 10 5
129.5 0 0 104.5 0 4 79.5 15 10
129.0 0 0 104.0 1 0 79.0 12 4
128.5 0 0 103.5 0 0 78.5 9 5
128.0 0 0 103.0 4 0 78.0 11 15
127.5 0 0 102.5 1 0 77.5 10 10
127.0 0 0 102.0 8 1 77.0 21 17
126.5 0 0 101.5 2 0 76.5 9 5
126.0 0 0 101.0 1 1 76.0 14 13
125.5 2 0 100.5 4 2 75.5 8 8
American Mathematics Competitions
2003 AMC 12 A Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 13 10 50.0 5 2 25.0 0 0
74.5 19 11 49.5 4 3 24.5 0 1
74.0 10 12 49.0 4 3 24.0 3 1
73.5 20 6 48.5 5 5 23.5 0 0
73.0 11 10 48.0 5 4 23.0 1 0
72.5 17 12 47.5 2 1 22.5 0 0
72.0 11 12 47.0 4 3 22.0 1 0
71.5 15 14 46.5 3 4 21.5 0 0
71.0 15 13 46.0 0 3 21.0 0 0
70.5 12 15 45.5 2 3 20.5 0 0
70.0 17 10 45.0 3 2 20.0 0 0
69.5 11 11 44.5 2 3 19.5 0 0
69.0 13 13 44.0 4 2 19.0 0 0
68.5 13 9 43.5 1 1 18.5 0 0
68.0 14 20 43.0 2 2 18.0 1 1
67.5 15 13 42.5 0 0 17.5 0 0
67.0 16 11 42.0 3 5 17.0 0 0
66.5 17 15 41.5 3 2 16.5 0 0
66.0 18 8 41.0 1 1 16.0 0 0
65.5 13 16 40.5 0 3 15.5 0 0
65.0 7 13 40.0 0 0 15.0 0 0
64.5 10 15 39.5 0 0 14.5 0 0
64.0 17 9 39.0 0 2 14.0 0 0
63.5 12 12 38.5 1 2 13.5 0 0
63.0 19 13 38.0 1 4 13.0 0 0
62.5 9 14 37.5 0 0 12.5 0 0
62.0 7 15 37.0 1 1 12.0 0 1
61.5 10 15 36.5 0 0 11.5 0 0
61.0 12 11 36.0 2 6 11.0 0 0
60.5 11 12 35.5 0 1 10.5 0 0
60.0 18 14 35.0 0 0 10.0 0 0
59.5 7 15 34.5 2 3 9.5 0 0
59.0 11 11 34.0 0 0 9.0 0 0
58.5 4 7 33.5 0 1 8.5 0 0
58.0 14 16 33.0 1 2 8.0 0 0
57.5 13 8 32.5 0 0 7.5 0 0
57.0 10 12 32.0 1 0 7.0 0 0
56.5 8 11 31.5 0 1 6.5 0 0
56.0 10 18 31.0 0 0 6.0 0 0
55.5 4 5 30.5 0 0 5.5 0 0
55.0 11 4 30.0 0 0 5.0 0 0
54.5 5 3 29.5 0 0 4.5 0 0
54.0 8 7 29.0 1 0 4.0 0 0
53.5 6 6 28.5 0 0 3.5 0 0
53.0 5 7 28.0 0 0 3.0 0 0
52.5 3 3 27.5 0 0 2.5 0 0
52.0 3 11 27.0 0 1 2.0 0 0
51.5 4 6 26.5 0 1 1.5 0 0
51.0 8 4 26.0 0 0 1.0 0 0
50.5 3 3 25.5 0 0 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 A Results for Nebraska
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 1 0 0
136.5 0 0 0 0 0 0 0 0 0 0
136.0 0 0 0 0 0 0 0 1 0 0
135.5 0 0 0 0 0 0 0 0 0 0
135.0 0 0 0 0 0 0 0 0 0 0
134.5 0 0 0 0 0 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 1 0 0
131.5 0 0 0 0 0 0 0 0 0 0
131.0 0 0 0 0 0 1 0 1 0 0
130.5 0 0 0 0 0 0 0 0 0 0
130.0 0 0 0 0 0 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 2 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 1 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 1 0 0
120.0 0 0 0 0 0 0 0 0 0 0
119.5 0 0 0 0 0 0 0 1 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 1 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 1 0 0
116.5 0 0 0 0 0 0 0 0 0 0
116.0 0 0 0 0 0 0 0 2 0 0
115.5 0 0 0 0 0 0 0 1 0 0
115.0 0 0 0 0 0 0 0 3 0 0
114.5 0 0 0 0 0 1 0 1 0 0
114.0 0 0 0 0 0 0 0 0 0 0
113.5 0 0 0 0 0 0 1 2 0 0
113.0 0 0 0 0 0 0 0 0 0 0
112.5 0 0 0 0 0 1 1 4 0 0
112.0 0 0 0 0 0 0 0 0 0 0
111.5 0 0 0 0 0 0 0 3 0 0
111.0 0 0 0 0 0 0 0 1 0 0
110.5 0 0 0 0 0 0 0 0 0 0
110.0 0 0 0 0 0 2 0 3 0 0
109.5 0 0 0 0 0 0 0 0 0 0
109.0 0 0 0 0 1 0 1 2 0 1
108.5 0 0 0 0 0 0 0 2 0 0
108.0 0 0 0 0 0 0 1 3 0 0
107.5 0 0 0 0 0 0 1 1 0 0
107.0 0 0 0 0 0 0 0 0 0 0
106.5 0 0 0 0 0 1 1 7 0 0
106.0 0 0 0 0 0 0 0 0 0 0
105.5 0 0 0 0 0 0 3 4 0 0
105.0 0 0 0 0 0 0 0 0 0 0
104.5 0 0 0 0 0 1 2 2 0 0
104.0 0 0 0 0 0 0 1 0 0 0
103.5 0 0 0 0 0 0 0 0 0 0
103.0 0 0 0 0 0 0 1 3 0 0
102.5 0 0 0 0 0 0 0 1 0 0
102.0 0 0 0 0 1 0 3 5 0 0
101.5 0 0 0 0 0 0 2 0 0 0
101.0 0 0 0 0 1 1 0 0 0 0
100.5 0 0 0 0 0 0 1 5 0 0
100.0 0 0 0 0 0 0 1 4 0 0
99.5 0 0 0 0 0 0 3 4 0 0
99.0 0 0 0 0 0 1 1 1 0 0
98.5 0 0 0 0 0 0 3 2 0 0
98.0 0 0 0 0 2 0 2 5 0 0
97.5 0 0 0 0 0 0 1 0 0 0
97.0 0 0 0 0 1 0 4 3 0 0
96.5 0 0 0 0 0 0 0 2 0 0
96.0 0 0 0 0 0 0 6 11 0 1
95.5 0 0 0 0 0 0 2 3 0 1
95.0 0 0 0 0 3 2 6 3 0 0
94.5 0 0 0 0 0 2 4 7 0 0
94.0 0 0 0 0 0 0 2 3 0 0
93.5 0 0 0 0 1 0 7 5 1 0
93.0 0 0 0 0 0 0 0 3 0 0
92.5 0 0 0 0 0 1 4 5 0 1
92.0 0 0 0 0 0 0 1 1 0 0
91.5 0 0 0 0 0 0 5 3 0 0
91.0 0 0 0 0 1 1 4 6 0 0
90.5 0 0 0 0 0 0 1 3 0 0
90.0 0 0 0 0 0 1 9 14 0 0
89.5 0 0 0 0 0 0 1 0 0 0
89.0 0 0 0 0 1 1 7 17 0 0
88.5 0 0 0 0 0 1 7 2 0 0
88.0 0 0 0 0 1 0 4 10 0 0
87.5 0 0 0 0 0 0 5 5 0 0
87.0 0 0 0 0 0 2 2 2 0 0
86.5 0 0 0 0 0 1 7 7 0 0
86.0 0 0 0 0 0 1 1 2 0 0
85.5 0 0 0 0 0 1 6 6 0 0
85.0 0 0 0 0 1 1 4 6 0 0
84.5 0 0 0 0 0 0 5 4 0 0
84.0 0 0 0 0 0 3 14 10 0 0
83.5 0 0 0 0 1 2 1 3 0 0
83.0 0 0 0 0 0 2 18 15 0 1
82.5 0 0 0 0 0 0 9 4 0 1
82.0 0 0 0 0 0 0 8 12 0 0
81.5 0 0 0 0 0 0 8 2 0 0
81.0 0 0 0 0 0 2 5 5 0 1
80.5 0 0 0 0 0 1 6 14 0 0
80.0 0 0 0 0 0 0 7 9 0 0
79.5 0 0 0 0 1 2 9 14 0 0
79.0 0 0 0 0 1 2 5 8 0 0
78.5 0 0 0 0 0 1 6 7 0 0
78.0 0 0 0 0 0 2 12 12 0 0
77.5 0 0 0 0 0 0 7 13 0 0
77.0 0 0 0 0 2 1 19 17 0 0
76.5 0 0 0 0 1 0 9 5 0 0
76.0 0 0 0 0 0 3 12 12 0 0
75.5 0 0 0 0 0 1 8 7 0 1
75.0 0 0 0 0 1 2 5 15 0 0
74.5 0 0 0 0 1 5 13 12 0 0
74.0 0 0 0 0 1 1 9 12 0 0
73.5 0 0 0 0 2 4 5 15 0 1
73.0 0 0 0 0 1 3 5 12 0 0
72.5 0 0 0 0 0 2 14 10 0 3
72.0 0 0 0 0 0 1 11 11 0 0
71.5 0 0 0 0 0 2 13 15 0 0
71.0 0 0 0 0 1 1 14 12 0 0
70.5 0 0 0 0 1 0 18 8 0 0
70.0 0 0 0 0 0 2 16 10 0 0
69.5 0 0 0 0 0 1 11 10 0 0
69.0 0 0 0 0 0 1 13 12 0 0
68.5 0 0 0 0 1 3 9 9 0 0
68.0 0 0 0 0 0 2 16 16 0 0
67.5 0 0 0 0 0 2 13 13 0 0
67.0 0 0 0 0 0 1 15 11 0 0
66.5 0 0 0 0 0 1 19 12 0 0
66.0 0 0 0 0 1 2 15 9 0 1
65.5 0 0 0 0 0 0 15 14 0 1
65.0 0 0 0 0 0 1 11 8 0 1
64.5 0 0 0 0 1 1 11 12 0 0
64.0 0 0 0 0 2 1 12 11 0 2
63.5 0 0 0 0 0 0 16 9 0 0
63.0 0 0 0 0 0 2 14 17 0 0
62.5 0 0 0 0 0 2 15 6 0 0
62.0 0 0 0 0 0 1 12 10 0 1
61.5 0 0 0 0 0 0 18 7 0 0
61.0 0 0 0 0 0 0 13 10 0 0
60.5 0 0 0 0 0 2 13 8 0 0
60.0 0 0 0 0 1 0 21 10 0 0
59.5 0 0 0 0 0 0 9 15 0 0
59.0 0 0 0 0 0 0 10 11 0 1
58.5 0 0 0 0 1 0 6 4 0 0
58.0 0 0 0 0 0 2 18 11 0 1
57.5 0 0 0 0 1 1 13 6 0 0
57.0 0 0 0 0 0 1 17 5 0 0
56.5 0 0 0 0 0 2 10 8 0 0
56.0 0 0 0 0 0 0 18 10 0 0
55.5 0 0 0 0 0 1 6 2 0 0
55.0 0 0 0 0 0 1 8 6 0 0
54.5 0 0 0 0 0 0 5 3 0 0
54.0 0 0 0 0 0 1 8 6 0 0
53.5 0 0 0 0 0 2 4 6 0 1
53.0 0 0 0 0 0 0 9 3 0 0
52.5 0 0 0 0 0 0 4 2 0 0
52.0 0 0 0 0 0 0 11 3 0 0
51.5 0 0 0 0 1 1 7 1 0 0
51.0 0 0 0 0 0 0 6 6 0 0
50.5 0 0 0 0 0 0 6 1 0 0
50.0 0 0 0 0 0 0 3 4 0 0
49.5 0 0 0 0 0 0 4 3 0 0
49.0 0 0 0 0 0 0 5 2 0 0
48.5 0 0 0 0 0 0 4 6 0 0
48.0 0 0 0 0 0 0 7 2 0 0
47.5 0 0 0 0 0 0 2 1 0 0
47.0 0 0 0 0 0 0 3 4 0 0
46.5 0 0 0 0 1 0 3 3 0 0
46.0 0 0 0 0 0 1 2 0 0 0
45.5 0 0 0 0 0 0 4 2 0 0
45.0 0 0 0 0 0 0 2 3 0 0
44.5 0 0 0 0 0 0 3 3 0 0
44.0 0 0 0 0 0 0 4 2 0 0
43.5 0 0 0 0 0 0 2 0 0 0
43.0 0 0 0 0 0 0 3 1 0 0
42.5 0 0 0 0 0 0 0 0 0 0
42.0 0 0 0 0 0 0 4 5 0 0
41.5 0 0 0 0 0 0 3 2 0 0
41.0 0 0 0 0 0 0 2 0 0 0
40.5 0 0 0 0 0 0 1 2 0 0
40.0 0 0 0 0 0 0 0 0 0 0
39.5 0 0 0 0 0 0 0 0 0 0
39.0 0 0 0 0 0 0 2 0 0 0
38.5 0 0 0 0 0 1 2 0 0 0
38.0 0 0 0 0 0 0 4 1 0 0
37.5 0 0 0 0 0 0 0 0 0 0
37.0 0 0 0 0 0 0 1 1 0 0
36.5 0 0 0 0 0 0 0 0 0 0
36.0 0 0 0 0 0 0 3 5 0 0
35.5 0 0 0 0 0 0 1 0 0 0
35.0 0 0 0 0 0 0 0 0 0 0
34.5 0 0 0 0 0 0 2 3 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 0 3 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 1 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 0 0 0
29.5 0 0 0 0 0 0 0 0 0 0
29.0 0 0 0 0 0 0 1 0 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 1 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 1 0 0 0
24.0 0 0 0 0 0 0 3 1 0 0
23.5 0 0 0 0 0 0 0 0 0 0
23.0 0 0 0 0 0 0 1 0 0 0
22.5 0 0 0 0 0 0 0 0 0 0
22.0 0 0 0 0 0 0 1 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 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 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 Nebraska
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 0.52 1.54 0.69 4.40* 0.61 2.23 0.00
2 0.02 8.79* 0.12 0.67 0.02 0.37 0.00
3 0.42 2.28 0.33 4.26* 0.27 2.43 0.00
4 4.53* 0.18 0.24 3.22 0.07 1.75 0.00
5 0.31 0.14 0.18 0.16 6.30* 2.91 0.00
6 1.17 1.50 2.52* 0.52 0.65 3.63 0.00
7 1.52 1.59* 0.70 1.47 0.34 4.37 0.00
8 1.38 0.65 0.27 0.19 6.06* 1.45 0.00
9 0.30 0.61 1.20 2.06* 0.15 5.68 0.00
10 0.40 1.06 0.39 1.99* 0.16 5.99 0.00
11 0.60 0.59 0.75* 0.31 0.97 6.78 0.00
12 0.14 0.32 0.54 0.50 5.64* 2.86 0.00
13 0.58 0.46 0.70 1.10 3.72* 3.44 0.00
14 0.91 0.41 0.38 3.23* 1.37 3.69 0.00
15 0.16 0.25 0.47* 0.09 0.19 8.85 0.00
16 0.47 0.42 3.93* 0.34 0.73 4.10 0.00
17 0.92 0.59* 0.30 0.60 0.20 7.39 0.00
18 0.17 0.40* 0.14 0.09 0.20 9.01 0.00
19 0.62 0.47 0.73 0.83* 0.34 7.01 0.00
20 0.39* 0.23 0.61 1.26 0.30 7.21 0.00
21 0.71 0.30 0.16 0.53* 1.52 6.77 0.00
22 0.55 0.44 0.44* 0.62 0.19 7.75 0.00
23 0.28 0.33* 0.23 0.21 0.14 8.81 0.00
24 0.11 1.30* 0.55 0.15 0.19 7.70 0.00
25 0.39 0.30 0.15* 0.09 1.79 7.28 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 Nebraska
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 0
149.0 0 0 124.0 0 0 99.0 1 0
148.5 0 0 123.5 0 0 98.5 0 0
148.0 0 0 123.0 0 0 98.0 0 0
147.5 0 0 122.5 0 0 97.5 1 0
147.0 0 0 122.0 0 0 97.0 1 1
146.5 0 0 121.5 0 0 96.5 0 0
146.0 0 0 121.0 0 0 96.0 1 0
145.5 0 0 120.5 0 1 95.5 0 0
145.0 0 0 120.0 0 0 95.0 0 1
144.5 0 0 119.5 0 0 94.5 1 1
144.0 0 0 119.0 0 0 94.0 0 0
143.5 0 0 118.5 0 0 93.5 3 0
143.0 0 0 118.0 0 0 93.0 0 0
142.5 0 0 117.5 0 0 92.5 3 0
142.0 0 0 117.0 0 0 92.0 0 0
141.5 0 0 116.5 0 0 91.5 0 1
141.0 0 0 116.0 1 0 91.0 0 0
140.5 0 0 115.5 0 0 90.5 0 0
140.0 0 0 115.0 0 0 90.0 2 1
139.5 0 0 114.5 0 0 89.5 0 1
139.0 0 0 114.0 0 0 89.0 2 0
138.5 0 0 113.5 0 0 88.5 0 1
138.0 0 0 113.0 0 0 88.0 1 1
137.5 0 0 112.5 0 0 87.5 1 1
137.0 0 0 112.0 0 0 87.0 0 2
136.5 0 0 111.5 0 0 86.5 0 1
136.0 0 0 111.0 0 0 86.0 1 0
135.5 0 0 110.5 0 0 85.5 3 3
135.0 0 0 110.0 0 1 85.0 0 2
134.5 0 0 109.5 0 0 84.5 3 3
134.0 0 0 109.0 1 0 84.0 0 2
133.5 0 0 108.5 0 0 83.5 3 1
133.0 0 0 108.0 1 0 83.0 3 0
132.5 0 0 107.5 1 0 82.5 0 0
132.0 0 0 107.0 0 0 82.0 3 1
131.5 0 0 106.5 0 0 81.5 2 3
131.0 0 0 106.0 0 0 81.0 2 1
130.5 0 0 105.5 1 0 80.5 1 1
130.0 0 0 105.0 0 0 80.0 1 2
129.5 0 0 104.5 1 0 79.5 2 2
129.0 0 0 104.0 0 0 79.0 1 0
128.5 0 0 103.5 0 0 78.5 6 2
128.0 0 0 103.0 0 0 78.0 2 0
127.5 0 0 102.5 2 0 77.5 1 0
127.0 0 0 102.0 0 1 77.0 2 1
126.5 0 0 101.5 0 0 76.5 3 1
126.0 0 0 101.0 0 0 76.0 2 1
125.5 0 0 100.5 0 2 75.5 4 1
American Mathematics Competitions
2003 AMC 10 B Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 1 4 50.0 1 0 25.0 0 0
74.5 2 2 49.5 1 2 24.5 0 0
74.0 3 5 49.0 0 0 24.0 0 0
73.5 1 1 48.5 1 0 23.5 0 0
73.0 2 3 48.0 0 1 23.0 0 0
72.5 3 5 47.5 0 1 22.5 0 0
72.0 1 0 47.0 0 0 22.0 0 0
71.5 4 2 46.5 0 0 21.5 0 0
71.0 1 1 46.0 0 2 21.0 0 0
70.5 6 1 45.5 0 1 20.5 0 0
70.0 2 3 45.0 0 1 20.0 0 0
69.5 3 4 44.5 2 0 19.5 0 0
69.0 2 2 44.0 0 1 19.0 0 0
68.5 1 0 43.5 0 1 18.5 0 0
68.0 2 2 43.0 0 0 18.0 0 0
67.5 1 0 42.5 0 0 17.5 0 0
67.0 0 3 42.0 1 3 17.0 0 0
66.5 3 4 41.5 0 1 16.5 0 0
66.0 5 5 41.0 0 1 16.0 0 0
65.5 0 4 40.5 0 0 15.5 0 0
65.0 2 0 40.0 0 0 15.0 0 0
64.5 3 2 39.5 1 0 14.5 0 0
64.0 0 3 39.0 0 0 14.0 0 0
63.5 3 2 38.5 0 0 13.5 0 0
63.0 1 3 38.0 1 0 13.0 0 0
62.5 2 1 37.5 0 0 12.5 0 0
62.0 2 5 37.0 0 0 12.0 0 0
61.5 2 1 36.5 0 0 11.5 0 0
61.0 1 3 36.0 1 1 11.0 0 0
60.5 2 4 35.5 0 0 10.5 0 0
60.0 2 0 35.0 0 0 10.0 0 0
59.5 0 2 34.5 0 0 9.5 0 0
59.0 1 2 34.0 0 0 9.0 0 0
58.5 5 4 33.5 0 0 8.5 0 0
58.0 1 3 33.0 0 0 8.0 0 0
57.5 0 1 32.5 0 0 7.5 0 0
57.0 0 0 32.0 0 0 7.0 0 0
56.5 0 3 31.5 0 0 6.5 0 0
56.0 0 3 31.0 0 0 6.0 0 0
55.5 1 2 30.5 0 0 5.5 0 0
55.0 1 1 30.0 1 0 5.0 0 0
54.5 2 1 29.5 0 0 4.5 0 0
54.0 2 1 29.0 0 0 4.0 0 0
53.5 1 0 28.5 0 0 3.5 0 0
53.0 0 1 28.0 1 0 3.0 0 0
52.5 1 1 27.5 0 0 2.5 0 0
52.0 0 1 27.0 0 0 2.0 0 0
51.5 1 2 26.5 0 0 1.5 0 0
51.0 1 2 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 10 B Results for Nebraska
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 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 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 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 1 0 0 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 0 0 0
114.0 0 0 0 0 0 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 0 0 0
112.0 0 0 0 0 0 0 0
111.5 0 0 0 0 0 0 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 0 0 0
109.0 0 0 0 0 0 1 0
108.5 0 0 0 0 0 0 0
108.0 0 0 0 0 0 1 0
107.5 0 0 0 0 0 1 0
107.0 0 0 0 0 0 0 0
106.5 0 0 0 0 0 0 0
106.0 0 0 0 0 0 0 0
105.5 0 0 0 0 0 1 0
105.0 0 0 0 0 0 0 0
104.5 0 0 0 0 1 0 0
104.0 0 0 0 0 0 0 0
103.5 0 0 0 0 0 0 0
103.0 0 0 0 0 0 0 0
102.5 0 0 1 0 1 0 0
102.0 0 0 0 0 1 0 0
101.5 0 0 0 0 0 0 0
101.0 0 0 0 0 0 0 0
100.5 0 0 0 0 1 1 0
100.0 0 0 0 0 0 0 0
99.5 0 0 0 0 0 0 0
99.0 0 0 0 0 0 1 0
98.5 0 0 0 0 0 0 0
98.0 0 0 0 0 0 0 0
97.5 0 0 0 0 0 1 0
97.0 0 0 0 0 0 2 0
96.5 0 0 0 0 0 0 0
96.0 0 0 0 0 0 1 0
95.5 0 0 0 0 0 0 0
95.0 0 0 0 0 1 0 0
94.5 0 0 0 0 1 1 0
94.0 0 0 0 0 0 0 0
93.5 0 0 0 0 0 3 0
93.0 0 0 0 0 0 0 0
92.5 0 0 0 0 3 0 0
92.0 0 0 0 0 0 0 0
91.5 0 0 0 0 0 1 0
91.0 0 0 0 0 0 0 0
90.5 0 0 0 0 0 0 0
90.0 0 0 0 0 2 1 0
89.5 0 0 0 0 0 1 0
89.0 0 0 0 0 0 2 0
88.5 0 0 0 0 1 0 0
88.0 0 0 0 0 0 2 0
87.5 0 0 0 0 1 1 0
87.0 0 0 0 0 1 1 0
86.5 0 0 0 0 0 1 0
86.0 0 0 0 0 0 1 0
85.5 0 0 0 1 3 2 0
85.0 0 0 0 1 2 1 0
84.5 0 0 0 0 3 3 0
84.0 0 0 0 0 1 1 0
83.5 0 0 0 0 2 2 0
83.0 0 0 0 0 2 1 0
82.5 0 0 0 0 0 0 0
82.0 0 0 0 0 2 2 0
81.5 0 0 0 0 2 3 0
81.0 0 0 0 0 2 1 0
80.5 0 0 0 0 2 0 0
80.0 0 0 0 0 3 0 0
79.5 0 0 0 1 3 0 0
79.0 0 0 0 0 0 1 0
78.5 0 0 0 0 4 4 1
78.0 0 0 0 0 2 2 0
77.5 0 0 0 0 2 0 0
77.0 0 0 1 0 0 2 0
76.5 0 0 0 0 3 1 0
76.0 0 0 0 0 1 2 0
75.5 0 0 0 0 1 4 0
75.0 0 0 0 0 4 1 0
74.5 0 0 0 0 3 1 1
74.0 0 0 0 0 7 1 0
73.5 0 0 0 0 1 1 0
73.0 0 0 0 0 4 1 0
72.5 0 0 0 1 6 1 0
72.0 0 0 0 0 2 0 0
71.5 0 0 0 0 4 2 0
71.0 0 0 0 0 2 0 0
70.5 0 0 0 0 5 2 0
70.0 0 0 0 0 2 3 0
69.5 0 0 0 0 6 1 0
69.0 0 0 0 0 1 2 1
68.5 0 0 0 0 0 2 0
68.0 0 0 0 0 2 2 0
67.5 0 0 0 0 2 1 0
67.0 0 0 0 0 3 0 0
66.5 0 0 0 1 3 3 0
66.0 0 0 0 0 5 5 0
65.5 0 0 0 0 2 2 0
65.0 0 0 0 0 1 1 0
64.5 0 0 0 0 3 2 0
64.0 0 0 0 0 1 3 0
63.5 0 0 0 0 5 0 1
63.0 0 0 0 0 1 3 0
62.5 0 0 0 0 2 1 0
62.0 0 0 0 1 4 2 1
61.5 0 0 0 0 1 2 0
61.0 0 0 0 0 4 0 0
60.5 0 0 0 0 2 4 0
60.0 0 0 0 0 1 1 0
59.5 0 0 0 0 2 0 0
59.0 0 0 0 0 2 1 0
58.5 0 0 0 0 8 1 0
58.0 0 0 0 0 1 3 0
57.5 0 0 0 0 1 0 0
57.0 0 0 0 0 0 0 0
56.5 0 0 0 0 2 1 1
56.0 0 0 0 0 1 2 0
55.5 0 0 0 0 1 2 0
55.0 0 0 0 0 2 0 0
54.5 0 0 0 0 0 3 0
54.0 0 0 0 0 3 0 0
53.5 0 0 0 0 1 0 0
53.0 0 0 0 0 1 0 0
52.5 0 0 0 0 2 1 0
52.0 0 0 0 0 1 0 0
51.5 0 0 0 0 2 1 0
51.0 0 0 0 1 1 1 0
50.5 0 0 0 0 1 1 0
50.0 0 0 0 0 0 2 0
49.5 0 0 0 0 3 0 0
49.0 0 0 0 0 0 0 0
48.5 0 0 0 0 0 1 0
48.0 0 0 0 0 2 0 1
47.5 0 0 0 0 0 1 0
47.0 0 0 0 0 0 0 0
46.5 0 0 0 0 0 0 0
46.0 0 0 0 1 1 0 0
45.5 0 0 0 0 1 0 0
45.0 0 0 0 0 1 0 0
44.5 0 0 0 0 2 0 0
44.0 0 0 0 0 1 0 0
43.5 0 0 0 0 1 0 0
43.0 0 0 0 0 0 0 0
42.5 0 0 0 0 0 0 0
42.0 0 0 0 0 3 1 0
41.5 0 0 0 0 0 1 0
41.0 0 0 0 0 0 1 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 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 1 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 2 0 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 1 0 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 1 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 1 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 Nebraska
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 0.14 9.57* 0.06 0.06 0.17 0.00
2 0.03 0.34 0.86 6.67* 0.55 1.55 0.00
3 0.66 5.09* 0.55 0.49 0.06 3.16 0.00
4 5.98* 0.43 0.40 0.17 0.17 2.84 0.00
5 0.49 0.32 3.13* 0.75 1.18 4.14 0.00
6 1.03 1.15 0.55 1.18* 0.52 5.57 0.00
7 0.34 2.13* 0.20 0.75 0.49 6.09 0.00
8 0.17 0.40* 0.43 0.37 0.55 8.07 0.00
9 0.14 0.92* 0.34 0.32 0.17 8.10 0.00
10 0.32 0.26 1.55* 1.09 0.63 6.15 0.00
11 2.73* 0.60 0.26 0.34 0.57 5.49 0.00
12 0.86 0.55 4.66* 0.14 0.32 3.48 0.00
13 1.70 0.52 0.23 0.32 0.43* 6.81 0.00
14 1.21 0.43 0.20 1.67* 0.20 6.29 0.00
15 1.29 2.33 0.32 1.03 2.13* 2.90 0.00
16 0.37 0.29 0.37 0.78 2.59* 5.60 0.00
17 0.17 0.46* 0.52 0.23 0.11 8.51 0.00
18 0.46 1.29 0.23 0.92* 1.15 5.95 0.00
19 0.09 0.14 0.37 0.55 0.14* 8.71 0.00
20 0.32 0.17 0.29 0.78* 1.24 7.21 0.00
21 0.80 0.32 0.37* 1.35 0.57 6.58 0.00
22 1.15 2.30* 1.29 0.49 0.60 4.14 0.03
23 0.29 0.20 0.32 0.98* 0.40 7.82 0.00
24 0.09 0.11 1.87 0.06 0.06* 7.82 0.00
25 0.89 2.13* 0.75 0.23 0.29 5.72 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
American Mathematics Competitions
2003 AMC 12 B Results for Nebraska
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 1
149.0 0 0 124.0 0 1 99.0 0 0
148.5 0 0 123.5 0 0 98.5 2 1
148.0 0 0 123.0 0 0 98.0 0 0
147.5 0 0 122.5 1 0 97.5 0 0
147.0 0 0 122.0 0 0 97.0 3 0
146.5 0 0 121.5 1 0 96.5 0 0
146.0 0 0 121.0 0 0 96.0 1 0
145.5 0 0 120.5 0 0 95.5 0 0
145.0 0 0 120.0 0 0 95.0 1 0
144.5 0 0 119.5 0 0 94.5 0 0
144.0 0 0 119.0 0 0 94.0 0 0
143.5 0 0 118.5 1 0 93.5 2 1
143.0 0 0 118.0 0 0 93.0 0 0
142.5 0 0 117.5 0 0 92.5 1 0
142.0 0 0 117.0 0 0 92.0 0 0
141.5 0 0 116.5 0 0 91.5 0 0
141.0 0 0 116.0 0 0 91.0 0 0
140.5 0 0 115.5 0 0 90.5 0 0
140.0 0 0 115.0 0 0 90.0 2 1
139.5 1 0 114.5 0 0 89.5 0 0
139.0 0 0 114.0 0 0 89.0 2 0
138.5 0 0 113.5 2 0 88.5 0 0
138.0 0 0 113.0 0 0 88.0 0 0
137.5 0 0 112.5 0 0 87.5 2 1
137.0 0 0 112.0 0 0 87.0 1 0
136.5 0 0 111.5 0 0 86.5 3 2
136.0 0 0 111.0 1 0 86.0 0 0
135.5 0 0 110.5 0 0 85.5 0 2
135.0 0 0 110.0 1 1 85.0 4 0
134.5 0 0 109.5 0 0 84.5 2 2
134.0 0 0 109.0 0 0 84.0 2 2
133.5 0 0 108.5 0 0 83.5 0 1
133.0 0 0 108.0 0 0 83.0 2 3
132.5 0 0 107.5 0 0 82.5 1 0
132.0 0 0 107.0 0 0 82.0 3 1
131.5 0 0 106.5 1 0 81.5 2 0
131.0 0 0 106.0 0 0 81.0 0 1
130.5 0 0 105.5 2 1 80.5 2 1
130.0 0 0 105.0 0 0 80.0 0 0
129.5 0 0 104.5 0 0 79.5 5 0
129.0 0 0 104.0 0 0 79.0 1 0
128.5 0 0 103.5 1 0 78.5 3 5
128.0 0 0 103.0 0 1 78.0 2 2
127.5 0 0 102.5 0 0 77.5 1 2
127.0 0 0 102.0 1 0 77.0 2 4
126.5 1 0 101.5 0 0 76.5 2 3
126.0 0 0 101.0 0 0 76.0 5 2
125.5 0 0 100.5 0 0 75.5 1 1
American Mathematics Competitions
2003 AMC 12 B Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 3 2 50.0 0 1 25.0 0 0
74.5 4 1 49.5 0 3 24.5 0 1
74.0 3 3 49.0 1 1 24.0 1 1
73.5 8 3 48.5 1 2 23.5 0 0
73.0 4 0 48.0 2 2 23.0 0 0
72.5 5 5 47.5 0 0 22.5 0 0
72.0 0 1 47.0 0 0 22.0 0 0
71.5 1 7 46.5 2 1 21.5 0 0
71.0 4 3 46.0 2 2 21.0 0 0
70.5 1 4 45.5 1 1 20.5 0 0
70.0 3 4 45.0 2 3 20.0 0 0
69.5 1 2 44.5 1 0 19.5 0 0
69.0 5 4 44.0 0 0 19.0 0 0
68.5 4 2 43.5 0 1 18.5 0 0
68.0 3 6 43.0 0 2 18.0 1 1
67.5 3 7 42.5 1 0 17.5 0 0
67.0 4 4 42.0 1 3 17.0 0 0
66.5 4 4 41.5 1 1 16.5 0 0
66.0 2 3 41.0 1 1 16.0 0 0
65.5 4 5 40.5 0 0 15.5 0 0
65.0 5 6 40.0 0 0 15.0 0 0
64.5 0 2 39.5 1 0 14.5 0 0
64.0 4 3 39.0 0 0 14.0 0 0
63.5 3 2 38.5 0 0 13.5 0 0
63.0 1 3 38.0 0 3 13.0 0 0
62.5 2 5 37.5 3 0 12.5 0 0
62.0 3 3 37.0 0 0 12.0 1 0
61.5 5 4 36.5 0 0 11.5 0 0
61.0 2 4 36.0 1 1 11.0 0 0
60.5 4 1 35.5 2 0 10.5 0 0
60.0 4 2 35.0 2 0 10.0 0 0
59.5 3 2 34.5 0 0 9.5 0 0
59.0 1 6 34.0 0 0 9.0 0 0
58.5 1 1 33.5 0 0 8.5 0 0
58.0 3 5 33.0 0 0 8.0 0 0
57.5 5 3 32.5 0 0 7.5 0 0
57.0 2 2 32.0 0 0 7.0 0 0
56.5 1 2 31.5 0 1 6.5 0 0
56.0 3 1 31.0 1 0 6.0 0 0
55.5 3 1 30.5 0 0 5.5 0 0
55.0 2 1 30.0 3 2 5.0 0 0
54.5 3 3 29.5 0 1 4.5 0 0
54.0 1 4 29.0 0 0 4.0 0 0
53.5 2 4 28.5 0 1 3.5 0 0
53.0 2 1 28.0 0 0 3.0 0 0
52.5 2 2 27.5 0 0 2.5 0 0
52.0 1 1 27.0 0 0 2.0 0 0
51.5 1 3 26.5 1 0 1.5 0 0
51.0 2 3 26.0 0 0 1.0 0 0
50.5 1 3 25.5 0 1 0.5 0 0
0.0 0 0
American Mathematics Competitions
2003 AMC 12 B Results for Nebraska
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 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 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 1 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 1 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 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 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 1 0 0
113.0 0 0 0 0 0 0 0 0 0 0
112.5 0 0 0 0 0 0 0 0 0 0
112.0 0 0 0 0 0 0 0 0 0 0
111.5 0 0 0 0 0 0 0 0 0 0
111.0 0 0 0 0 0 0 0 1 0 1
110.5 0 0 0 0 0 0 0 0 0 0
110.0 0 0 0 0 1 1 0 0 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 1 0 0 0
106.0 0 0 0 0 0 0 0 0 0 0
105.5 0 0 0 0 0 0 0 3 0 0
105.0 0 0 0 0 0 0 0 0 0 0
104.5 0 0 0 0 0 0 0 0 0 0
104.0 0 0 0 0 0 0 0 0 0 0
103.5 0 0 0 0 1 0 0 0 0 0
103.0 0 0 0 0 0 1 0 0 0 0
102.5 0 0 0 0 0 0 0 0 0 0
102.0 0 0 0 0 0 1 0 0 0 0
101.5 0 0 0 0 0 0 0 0 0 0
101.0 0 0 0 0 0 0 0 0 0 0
100.5 0 0 0 0 0 0 0 0 0 0
100.0 0 0 0 0 0 0 0 0 0 0
99.5 0 0 0 0 0 0 0 1 0 0
99.0 0 0 0 0 0 0 0 0 0 0
98.5 0 0 0 0 0 0 1