2004 AMC8 Report for all schools in New Jersery
Number of schools returning results 65
Average of school highest score 17.89
Average school team score 50.05
# of State Student Participants 4217
Overall State Average Score 10.31
Average Score by Grade level
Grade # of Students Average
5th 35 7.69
6th 449 8.64
7th 1284 10.05
8th 2413 10.80
Number of Female Students 1983
Average Score of Female Students 9.81
Average Female Scores by Grade
Grade # of Students Average
5th 20 8.15
6th 212 8.06
7th 562 9.53
8th 1174 10.29
Number of Male Participants 2188
Average Score of Male Participants 10.77
Average score for Males by Grade
Grade # of Students Average
5th 15 7.07
6th 232 9.14
7th 712 10.48
8th 1213 11.29
2004 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 0 0 0
24 1 0 1
23 2 0 2
22 2 1 3
21 7 0 7
20 14 7 22
19 27 9 37
18 48 14 62
17 55 24 79
16 92 49 142
15 113 58 171
14 130 104 239
13 162 157 322
12 204 172 380
11 273 197 474
10 235 234 476
9 210 228 445
8 187 226 415
7 159 177 340
6 113 138 256
5 85 107 193
4 41 50 91
3 17 18 35
2 5 8 13
1 1 1 2
0 (@) 0 0 0
0 ($) 5 4 10
(@) These students attempted some of the problems
($) 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 1
23 0 0 0 2
22 0 0 0 3
21 0 0 1 6
20 0 0 4 18
19 0 2 14 20
18 0 2 15 44
17 0 2 19 58
16 0 7 34 100
15 0 6 52 113
14 1 8 75 150
13 2 15 80 221
12 0 20 126 231
11 1 47 139 285
10 5 59 139 268
9 2 48 131 259
8 6 70 130 207
7 5 60 113 159
6 7 38 102 107
5 3 36 66 87
4 2 17 27 45
3 0 7 10 17
2 1 3 3 6
1 0 2 0 0
0(@) 0 0 4 6
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 4217 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 1.19 92.22* 3.44 0.95 1.61 0.59 0.00
2 5.45 48.04* 35.02 9.77 0.90 0.78 0.02
3 75.50* 13.09 5.76 2.35 1.47 1.75 0.07
4 2.32 53.97* 21.20 10.88 10.74 0.83 0.05
5 11.71 2.77 15.96 61.66* 7.37 0.45 0.07
6 16.84 15.30 56.08* 5.93 4.22 1.61 0.02
7 1.68 52.36* 4.29 37.14 3.49 1.00 0.05
8 24.45 53.45* 9.82 4.32 5.69 2.28 0.00
9 8.92 12.17 13.40 40.72* 21.08 3.68 0.05
10 2.87 5.71 4.43 23.50 62.18* 1.09 0.21
11 5.48 16.01 65.64* 6.85 3.96 2.04 0.02
12 24.52 21.63* 14.77 25.47 10.69 2.89 0.02
13 33.89 7.49 13.82 17.19 25.09* 2.35 0.17
14 12.62 26.87 35.83* 16.46 4.70 3.46 0.07
15 16.48 13.82 36.21* 16.08 15.15 2.04 0.21
16 4.60 8.96 20.01* 7.19 55.44 3.49 0.31
17 5.10 22.01 25.30 25.80* 18.28 3.23 0.28
18 43.23* 6.45 17.05 22.31 5.67 5.22 0.07
19 19.71 36.47* 17.60 9.89 8.73 7.52 0.09
20 12.45 22.12 24.92 24.92* 8.70 6.73 0.14
21 11.22 17.57 19.49 26.20* 18.64 6.73 0.14
22 10.53 17.22* 13.14 9.15 41.74 7.78 0.45
23 40.46 8.96 8.32 20.87* 13.52 7.61 0.26
24 15.48 20.16 22.60* 17.67 12.19 11.83 0.07
25 15.30 23.83 14.65 13.42* 20.94 11.69 0.17
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem