2004 AMC8 Report for all schools in North Dakota
Number of schools returning results 13
Average of school highest score 13.31
Average school team score 36.85
# of State Student Participants 375
Overall State Average Score 8.13
Average Score by Grade level
Grade # of Students Average
5th 2 8.00
6th 1 7.00
7th 152 7.60
8th 219 8.51
Number of Female Students 185
Average Score of Female Students 7.91
Average Female Scores by Grade
Grade # of Students Average
7th 78 7.28
8th 106 8.38
Number of Male Participants 187
Average Score of Male Participants 8.34
Average score for Males by Grade
Grade # of Students Average
5th 2 8.00
6th 1 7.00
7th 72 7.88
8th 112 8.66
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 0 0 0
17 0 0 0
16 1 1 2
15 0 0 0
14 8 6 14
13 6 1 7
12 11 9 20
11 20 14 35
10 20 24 44
9 23 17 41
8 21 24 45
7 21 32 53
6 23 18 41
5 15 23 39
4 14 8 22
3 3 8 11
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 0 0 0
17 0 0 0 0
16 0 0 0 2
15 0 0 0 0
14 0 0 3 11
13 0 0 0 7
12 0 0 7 13
11 0 0 14 21
10 0 0 22 22
9 0 0 11 30
8 2 0 18 25
7 0 1 21 30
6 0 0 13 28
5 0 0 23 16
4 0 0 12 10
3 0 0 8 3
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 375 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 2.40 81.07* 8.80 3.20 4.53 0.00 0.00
2 9.33 47.47* 32.27 10.13 0.80 0.00 0.00
3 64.27* 19.20 8.80 5.07 2.40 0.27 0.00
4 4.00 47.73* 21.07 14.40 12.80 0.00 0.00
5 8.27 2.40 34.93 44.53* 9.87 0.00 0.00
6 23.47 19.73 40.00* 8.27 8.53 0.00 0.00
7 1.60 18.93* 6.67 64.27 8.27 0.00 0.27
8 20.27 48.80* 11.20 6.93 12.27 0.27 0.27
9 16.27 18.93 15.47 30.93* 17.87 0.53 0.00
10 5.87 6.93 6.67 33.60 46.67* 0.27 0.00
11 9.87 29.33 43.47* 8.80 7.73 0.80 0.00
12 18.40 22.67* 13.07 29.87 14.67 1.33 0.00
13 38.13 4.53 16.27 21.87 17.87* 1.07 0.27
14 18.40 24.80 37.07* 14.67 3.73 1.33 0.00
15 19.73 21.60 22.67* 16.80 17.60 1.60 0.00
16 10.40 12.27 11.73* 5.07 59.20 1.33 0.00
17 8.00 31.20 29.07 14.13* 16.27 1.33 0.00
18 33.33* 7.73 24.53 19.47 13.07 1.87 0.00
19 28.53 37.07* 17.07 8.80 6.93 1.60 0.00
20 19.47 22.93 31.73 15.73* 7.47 2.67 0.00
21 14.40 17.87 19.47 22.40* 23.47 2.13 0.27
22 6.93 12.00* 14.13 6.67 57.60 2.40 0.27
23 51.47 10.40 9.60 13.07* 12.80 2.40 0.27
24 17.33 21.33 25.07* 18.40 14.13 3.73 0.00
25 19.20 28.53 18.40 14.13* 15.73 3.73 0.27
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem