2004 AMC8 Report for all schools in Arizona
Number of schools returning results 30
Average of school highest score 16.10
Average school team score 44.27
# of State Student Participants 1795
Overall State Average Score 9.14
Average Score by Grade level
Grade # of Students Average
5th 109 6.83
6th 234 8.03
7th 636 9.21
8th 744 9.80
Number of Female Students 852
Average Score of Female Students 8.68
Average Female Scores by Grade
Grade # of Students Average
5th 64 6.39
6th 100 7.53
7th 306 8.92
8th 340 9.25
Number of Male Participants 932
Average Score of Male Participants 9.58
Average score for Males by Grade
Grade # of Students Average
5th 45 7.44
6th 131 8.45
7th 327 9.49
8th 399 10.27
2004 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 0 0 0
24 1 0 1
23 1 0 1
22 1 0 1
21 2 1 3
20 2 2 4
19 9 2 11
18 6 2 8
17 18 6 24
16 13 8 21
15 31 20 51
14 40 27 68
13 54 39 95
12 76 52 128
11 92 65 157
10 102 86 189
9 94 100 196
8 113 116 230
7 95 108 204
6 77 80 157
5 49 70 119
4 34 40 74
3 16 17 34
2 3 9 14
1 2 0 2
0 (@) 1 0 1
0 ($) 0 2 2
(@) These students attempted some of the problems
($) These students attempted none of the problems
(*) Total includes students who failed to mark their gender
2004 American Mathematics Contest 8
Number of Students by Grade
Achieving indicated Score
SCORE 5th Grade 6th Grade 7th Grade 8th Grade
25 0 0 0 0
24 0 0 0 1
23 0 0 0 1
22 0 0 1 0
21 0 0 0 3
20 0 0 0 4
19 0 0 2 9
18 0 0 3 5
17 0 1 12 10
16 0 2 7 12
15 2 2 15 31
14 1 3 22 40
13 3 4 40 44
12 1 9 50 63
11 4 16 53 77
10 4 33 69 76
9 8 30 74 71
8 18 34 89 79
7 12 36 74 75
6 20 20 46 64
5 14 24 38 38
4 13 8 24 27
3 7 6 10 10
2 1 4 5 4
1 0 1 1 0
0(@) 1 1 1 0
0($) 0 0 0 0
(@) These students attempted some of the problems
($) These students attempted none of the problems
Note: Some students failed to indicate a grade
Table of Item Difficulty for the 2004
American Mathematics Contest 8
Tabulation of responses by 1795 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 2.45 86.85* 5.79 1.84 2.67 0.39 0.00
2 7.80 41.06* 40.67 9.08 0.84 0.56 0.00
3 69.58* 15.60 7.74 4.01 2.01 1.00 0.06
4 3.45 45.18* 22.01 15.99 13.09 0.28 0.00
5 12.53 3.18 21.84 54.32* 7.74 0.28 0.11
6 23.12 20.78 42.28* 7.41 5.46 0.89 0.06
7 3.40 39.50* 7.35 44.51 4.62 0.56 0.06
8 26.24 49.69* 10.14 4.62 8.36 0.84 0.11
9 10.19 15.65 17.05 34.04* 21.62 1.45 0.00
10 4.18 7.63 5.74 25.07 56.10* 1.17 0.11
11 7.97 21.84 56.27* 7.52 5.01 1.39 0.00
12 22.67 21.78* 16.77 23.84 12.98 1.89 0.06
13 36.49 7.24 14.99 17.21 22.40* 1.56 0.11
14 12.31 29.14 33.59* 17.05 5.46 2.34 0.11
15 15.88 17.66 31.42* 16.21 16.49 2.28 0.06
16 6.46 10.25 16.32* 5.91 57.99 3.06 0.00
17 6.07 24.18 26.41 21.17* 18.77 3.29 0.11
18 37.77* 8.41 20.78 22.45 6.35 4.07 0.17
19 23.12 36.60* 18.38 9.08 7.13 5.46 0.22
20 13.65 23.51 26.91 20.50* 9.53 5.79 0.11
21 11.42 20.22 17.66 24.12* 20.39 5.91 0.28
22 9.36 15.49* 14.15 8.91 44.68 7.08 0.33
23 36.77 10.81 10.58 20.72* 13.82 6.96 0.33
24 16.10 21.95 24.40* 16.99 10.81 9.53 0.22
25 16.55 25.46 17.49 13.09* 17.44 9.86 0.11
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem