2007 AMC8 Report for all schools in Idaho
Number of schools returning results 8
Average of school highest score 15.00
Average school team score 42.25
# of State Student Participants 391
Overall State Average Score 8.71
Average Score by Grade level
Grade # of Students Average
6th 41 8.07
7th 163 8.60
8th 185 8.97
Number of Female Students 190
Average Score of Female Students 8.11
Average Female Scores by Grade
Grade # of Students Average
6th 18 7.17
7th 94 8.28
8th 78 8.12
Number of Male Participants 193
Average Score of Male Participants 9.35
Average score for Males by Grade
Grade # of Students Average
6th 23 8.78
7th 66 9.15
8th 102 9.64
2007 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 0 0 0
24 0 0 0
23 0 0 0
22 0 0 0
21 0 0 0
20 1 0 1
19 2 0 2
18 0 0 0
17 3 0 3
16 5 1 6
15 3 1 5
14 8 4 12
13 7 6 13
12 16 10 26
11 16 15 31
10 30 19 50
9 23 25 49
8 25 32 58
7 14 20 34
6 18 24 43
5 10 13 25
4 5 14 20
3 3 3 6
2 3 2 5
1 1 1 2
0 (@) 0 0 0
0 ($) 0 0 0
(@) These students attempted some of the problems
($) 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 0 0
24 0 0 0 0
23 0 0 0 0
22 0 0 0 0
21 0 0 0 0
20 0 0 0 1
19 0 0 0 2
18 0 0 0 0
17 0 0 0 3
16 0 0 4 2
15 0 0 3 2
14 0 2 2 8
13 0 0 4 9
12 0 3 17 5
11 0 4 11 16
10 0 3 21 26
9 0 6 20 23
8 0 6 20 32
7 0 2 19 13
6 0 8 19 16
5 0 4 7 14
4 0 1 11 8
3 0 1 2 2
2 0 1 2 2
1 0 0 1 1
0(@) 0 0 0 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 2007
American Mathematics Contest 8
Tabulation of responses by 391 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 6.91 3.32 4.09 82.35* 2.81 0.51 0.00
2 17.65 5.12 3.84 6.91 65.98* 0.51 0.00
3 7.42 11.25 61.13* 15.86 3.07 1.28 0.00
4 10.23 11.25 5.37 41.43* 31.71 0.00 0.00
5 10.49 79.03* 3.58 3.32 3.58 0.00 0.00
6 5.37 20.72 47.06 4.09 21.99* 0.77 0.00
7 11.25 20.97 7.42 49.87* 7.93 2.56 0.00
8 2.81 46.55* 9.21 25.06 15.09 1.28 0.00
9 3.84 78.01* 3.07 3.32 11.76 0.00 0.00
10 29.41 9.21 34.78 14.07* 6.91 5.63 0.00
11 5.12 7.16 28.13 30.18* 26.60 2.81 0.00
12 43.22* 17.39 12.79 12.02 12.53 2.05 0.00
13 41.69 34.78 13.81* 4.60 2.81 2.30 0.00
14 38.36 19.18 9.46* 9.21 19.95 3.84 0.00
15 24.81* 11.76 9.72 19.95 31.20 2.30 0.26
16 16.11* 8.18 11.76 53.45 5.88 4.60 0.00
17 13.81 31.46 26.85* 15.35 6.65 5.88 0.00
18 9.97 12.28 15.35 43.48* 11.00 7.93 0.00
19 27.88 29.92 16.88* 10.49 5.88 8.95 0.00
20 34.02* 13.55 16.37 9.21 15.09 11.51 0.26
21 9.21 17.39 41.18 7.93* 13.55 10.74 0.00
22 8.18 30.18 18.93* 16.62 11.25 14.58 0.26
23 9.72 20.20* 29.16 16.88 9.46 14.07 0.51
24 24.30 14.58 12.28* 13.30 20.97 14.58 0.00
25 14.58 12.53* 39.13 7.16 11.25 15.35 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem