2004 AMC8 Report for all schools in South Dakota
Number of schools returning results 5
Average of school highest score 14.60
Average school team score 40.20
# of State Student Participants 207
Overall State Average Score 8.57
Average Score by Grade level
Grade # of Students Average
6th 11 10.09
7th 57 8.18
8th 139 8.62
Number of Female Students 117
Average Score of Female Students 8.47
Average Female Scores by Grade
Grade # of Students Average
6th 7 8.86
7th 28 7.75
8th 82 8.68
Number of Male Participants 89
Average Score of Male Participants 8.69
Average score for Males by Grade
Grade # of Students Average
6th 4 12.25
7th 29 8.59
8th 56 8.48
2004 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 0 0 0
19 0 0 0
18 1 0 1
17 0 0 0
16 0 0 0
15 2 2 4
14 2 2 4
13 4 5 9
12 7 5 12
11 7 12 20
10 12 15 27
9 9 16 25
8 12 15 27
7 10 15 25
6 12 15 27
5 4 8 12
4 5 6 11
3 1 1 2
2 1 0 1
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
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 0
23 0 0 0 0
22 0 0 0 0
21 0 0 0 0
20 0 0 0 0
19 0 0 0 0
18 0 1 0 0
17 0 0 0 0
16 0 0 0 0
15 0 1 1 2
14 0 0 1 3
13 0 0 2 7
12 0 0 5 7
11 0 2 4 14
10 0 3 3 21
9 0 1 8 16
8 0 0 8 19
7 0 0 7 18
6 0 2 7 18
5 0 1 6 5
4 0 0 5 6
3 0 0 0 2
2 0 0 0 1
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
Table of Item Difficulty for the 2004
American Mathematics Contest 8
Tabulation of responses by 207 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.97 90.82* 4.83 1.45 1.93 0.00 0.00
2 3.86 37.20* 47.34 11.59 0.00 0.00 0.00
3 63.29* 19.32 8.70 4.83 2.90 0.48 0.48
4 2.90 45.89* 27.05 12.56 11.59 0.00 0.00
5 9.18 1.45 26.09 49.28* 14.01 0.00 0.00
6 20.77 16.43 50.72* 5.31 5.80 0.97 0.00
7 1.45 35.27* 2.90 55.56 4.83 0.00 0.00
8 22.71 42.51* 13.04 8.70 10.14 2.90 0.00
9 13.53 8.21 19.32 29.95* 26.57 2.42 0.00
10 3.38 1.45 4.35 28.99 60.39* 0.97 0.48
11 6.28 30.92 49.76* 9.18 2.42 1.45 0.00
12 19.81 14.49* 19.81 30.43 12.08 3.38 0.00
13 40.58 5.80 14.01 20.29 16.43* 2.90 0.00
14 9.18 25.12 44.93* 12.08 3.86 4.83 0.00
15 15.46 17.39 33.33* 12.08 18.36 3.38 0.00
16 3.38 4.35 11.59* 5.31 70.05 5.31 0.00
17 5.31 24.64 25.60 20.77* 17.87 5.80 0.00
18 39.13* 7.25 19.32 20.29 7.25 6.76 0.00
19 29.47 29.95* 17.39 7.25 7.25 8.21 0.48
20 13.53 25.60 30.43 14.49* 7.73 8.21 0.00
21 12.56 17.39 19.81 21.26* 20.29 8.70 0.00
22 5.31 10.63* 11.59 7.73 52.17 11.11 1.45
23 44.44 8.70 8.21 12.08* 13.53 13.04 0.00
24 14.49 20.29 22.22* 14.49 10.63 17.87 0.00
25 17.39 26.57 13.04 11.11* 14.49 17.39 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem