2007 AMC8 Report for all schools in Missouri
Number of schools returning results 50
Average of school highest score 17.40
Average school team score 47.68
# of State Student Participants 2793
Overall State Average Score 9.41
Average Score by Grade level
Grade # of Students Average
5th 32 7.41
6th 217 8.19
7th 940 8.97
8th 1550 9.90
Number of Female Students 1213
Average Score of Female Students 8.95
Average Female Scores by Grade
Grade # of Students Average
5th 11 6.73
6th 110 7.83
7th 397 8.56
8th 675 9.42
Number of Male Participants 1505
Average Score of Male Participants 9.79
Average score for Males by Grade
Grade # of Students Average
5th 21 7.76
6th 99 8.51
7th 522 9.30
8th 843 10.28
2007 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 1 0 1
24 2 0 2
23 2 0 2
22 6 2 8
21 4 2 6
20 9 4 13
19 11 5 16
18 13 4 18
17 25 11 36
16 34 13 48
15 44 21 67
14 63 34 98
13 83 51 136
12 106 96 211
11 157 101 267
10 186 158 358
9 187 136 330
8 155 156 320
7 162 152 321
6 117 102 222
5 66 75 146
4 42 60 104
3 15 18 36
2 9 9 18
1 3 2 5
0 (@) 0 1 1
0 ($) 3 0 3
(@) These students attempted some of the problems
($) These students attempted none of the problems
(*) Total includes students who failed to mark their gender
2007 American Mathematics Contest 8
Number of Students by Grade
Achieving indicated Score
SCORE 5th Grade 6th Grade 7th Grade 8th Grade
25 0 0 1 0
24 0 0 1 1
23 0 0 1 1
22 0 0 1 7
21 1 2 0 3
20 0 2 4 7
19 0 0 4 12
18 0 0 4 14
17 0 0 6 29
16 0 0 11 36
15 0 6 19 40
14 0 5 24 67
13 1 4 35 93
12 0 15 65 127
11 0 19 81 161
10 6 24 131 193
9 3 17 114 191
8 3 19 113 178
7 5 33 121 155
6 1 23 82 111
5 5 16 63 60
4 5 15 38 42
3 2 9 7 17
2 0 6 10 2
1 0 2 2 1
0(@) 0 0 2 2
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 2007
American Mathematics Contest 8
Tabulation of responses by 2793 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 3.08 4.37 2.90 86.47* 2.83 0.36 0.00
2 19.87 3.69 4.15 6.34 65.52* 0.43 0.00
3 8.02 12.75 60.26* 12.82 4.91 1.04 0.21
4 6.52 11.49 4.40 47.51* 29.39 0.39 0.29
5 5.26 85.71* 4.69 1.43 2.33 0.57 0.00
6 6.41 25.21 39.35 4.37 23.85* 0.75 0.07
7 11.13 18.12 5.23 54.28* 10.03 1.18 0.04
8 4.91 49.19* 8.81 23.06 13.00 0.93 0.11
9 4.15 76.58* 3.80 3.08 12.07 0.21 0.11
10 29.43 10.31 35.34 16.18* 5.62 3.01 0.11
11 7.27 7.77 22.74 34.44* 26.60 1.04 0.14
12 43.72* 15.32 14.39 12.82 12.46 1.25 0.04
13 47.48 28.21 13.78* 5.66 3.54 1.29 0.04
14 39.92 17.33 12.57* 7.98 20.55 1.61 0.04
15 38.74* 7.30 6.70 20.91 24.70 1.47 0.18
16 23.59* 9.56 9.99 48.26 6.95 1.58 0.07
17 11.56 31.51 30.33* 17.08 7.70 1.68 0.14
18 7.55 15.93 17.65 46.72* 9.31 2.76 0.07
19 30.47 29.04 19.76* 11.24 5.87 3.47 0.14
20 26.42* 16.94 18.30 12.71 19.94 5.55 0.14
21 8.49 20.19 39.24 10.78* 17.36 3.80 0.14
22 10.03 28.54 21.91* 22.95 10.49 5.91 0.18
23 7.91 24.85* 36.38 16.11 9.99 4.62 0.14
24 29.39 21.70 15.57* 14.04 13.78 5.30 0.21
25 14.36 12.42* 38.38 11.99 15.75 6.77 0.32
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem