2008 AMC8 Report for all schools in Idaho
Number of schools returning results 10
Average of school highest score 16.50
Average school team score 45.70
# of State Student Participants 483
Overall State Average Score 10.28
Average Score by Grade level
Grade # of Students Average
6th 9 8.89
7th 236 9.69
8th 237 10.91
Number of Female Students 255
Average Score of Female Students 9.97
Average Female Scores by Grade
Grade # of Students Average
6th 3 11.00
7th 133 9.29
8th 118 10.71
Number of Male Participants 222
Average Score of Male Participants 10.66
Average score for Males by Grade
Grade # of Students Average
6th 6 7.83
7th 101 10.26
8th 115 11.17
2008 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 1 0 1
21 1 0 1
20 2 0 2
19 2 0 2
18 4 0 4
17 5 3 8
16 9 10 19
15 12 4 16
14 10 12 22
13 15 20 36
12 19 23 42
11 24 37 62
10 28 37 65
9 26 30 58
8 22 23 46
7 16 24 40
6 14 17 31
5 8 9 18
4 0 4 4
3 4 2 6
2 0 0 0
1 0 0 0
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
2008 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 1
21 0 0 0 1
20 0 0 1 1
19 0 0 0 2
18 0 0 0 4
17 0 0 2 6
16 0 0 11 8
15 0 0 5 11
14 0 1 9 12
13 0 0 13 23
12 0 0 21 21
11 0 0 29 32
10 0 4 28 33
9 0 1 34 23
8 0 0 22 24
7 0 1 19 20
6 0 0 22 9
5 0 2 13 3
4 0 0 4 0
3 0 0 3 3
2 0 0 0 0
1 0 0 0 0
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
2008 American Mathematics Contest 8
Number of Schools with 3+ students
Achieving team Scores
SCORE school count
63 1
57 1
55 1
52 1
46 1
43 2
36 1
35 1
27 1
Table of Item Difficulty for the 2008
American Mathematics Contest 8
Tabulation of responses by 483 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.83 92.34* 3.73 2.90 0.21 0.00 0.00
2 59.01* 11.59 7.87 14.91 5.59 1.04 0.00
3 72.05* 8.28 1.86 3.93 13.66 0.00 0.21
4 4.76 19.88 55.69* 13.66 4.14 1.66 0.21
5 6.21 10.35 10.14 12.84 59.21* 1.24 0.00
6 32.92 9.52 1.86 54.87* 0.83 0.00 0.00
7 5.38 6.21 7.45 16.15 63.35* 1.24 0.21
8 4.97 3.31 7.25 82.19* 2.28 0.00 0.00
9 4.55 1.86 2.07 14.29* 77.23 0.00 0.00
10 47.00 7.45 9.32 31.06* 4.35 0.83 0.00
11 71.01* 14.29 9.73 1.86 2.90 0.21 0.00
12 11.18 25.47 26.92* 18.84* 16.15* 1.24 0.21
13 4.76 7.04 41.20* 11.39 34.16 1.45 0.00
14 29.19 19.46 20.29* 7.25 23.40 0.21 0.21
15 17.81 27.74* 24.43 15.94 9.32 4.76 0.00
16 18.22 19.25 15.73 33.95* 10.14 2.69 0.00
17 24.22 26.09 19.88 17.39* 7.04 4.76 0.62
18 23.40 17.60 20.29 13.04 21.12* 3.93 0.62
19 38.10 20.08* 10.56 19.25 7.25 4.76 0.00
20 21.12 21.74* 30.64 11.80 9.52 5.18 0.00
21 43.27 16.36 18.84* 10.56 4.76 6.00 0.21
22 24.02* 21.33 19.05 18.01 9.73 7.87 0.00
23 10.77 18.63 20.50* 30.23 10.14 9.52 0.21
24 21.33 20.50 24.22* 13.25 12.42 8.07 0.21
25 19.88* 16.77 18.84 12.22 24.84 7.45 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem