2004 AMC8 Report for all schools in North Carolina
Number of schools returning results 89
Average of school highest score 18.29
Average school team score 51.24
# of State Student Participants 9429
Overall State Average Score 10.12
Average Score by Grade level
Grade # of Students Average
5th 23 7.57
6th 1400 9.08
7th 3392 9.89
8th 4508 10.63
Number of Female Students 4655
Average Score of Female Students 9.76
Average Female Scores by Grade
Grade # of Students Average
5th 9 7.22
6th 684 8.60
7th 1697 9.57
8th 2233 10.27
Number of Male Participants 4618
Average Score of Male Participants 10.48
Average score for Males by Grade
Grade # of Students Average
5th 14 7.79
6th 701 9.53
7th 1645 10.23
8th 2208 10.99
2004 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 0 0 0
24 0 0 0
23 3 1 4
22 6 2 8
21 12 9 22
20 23 7 30
19 36 16 52
18 70 37 108
17 126 54 184
16 166 91 263
15 222 162 391
14 279 223 509
13 325 335 672
12 445 388 846
11 453 493 960
10 469 529 1018
9 522 584 1121
8 478 537 1032
7 393 440 841
6 265 340 622
5 175 225 407
4 92 108 204
3 34 55 91
2 17 16 34
1 6 2 8
0 (@) 0 0 0
0 ($) 1 1 2
(@) These students attempted some of the problems
($) 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 4
22 0 2 1 5
21 0 1 3 18
20 0 5 4 21
19 0 8 16 28
18 0 6 27 75
17 0 21 53 109
16 0 17 87 157
15 0 31 126 224
14 0 57 158 289
13 0 72 239 352
12 2 97 284 455
11 1 108 356 481
10 2 132 398 478
9 3 178 422 507
8 4 177 409 435
7 4 163 311 354
6 3 141 228 239
5 1 100 146 154
4 1 43 77 79
3 1 27 31 31
2 1 10 14 9
1 0 4 2 2
0(@) 0 0 0 2
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 9429 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 1.16 93.09* 2.79 0.87 1.80 0.30 0.00
2 3.99 41.21* 40.07 13.54 0.72 0.46 0.01
3 75.10* 14.30 5.59 2.18 1.73 1.07 0.03
4 2.34 49.03* 23.61 12.50 11.71 0.77 0.03
5 8.37 2.41 15.51 66.70* 6.64 0.34 0.04
6 17.86 15.95 55.04* 6.16 3.87 1.10 0.01
7 1.62 51.66* 4.60 37.91 3.69 0.48 0.03
8 25.18 52.58* 10.22 4.07 6.17 1.71 0.06
9 8.80 11.91 15.10 37.20* 24.07 2.80 0.11
10 2.70 5.35 4.90 22.19 63.85* 0.91 0.11
11 4.27 16.50 68.33* 5.70 3.66 1.51 0.03
12 23.04 20.87* 15.83 26.94 10.58 2.68 0.05
13 34.90 7.16 14.44 16.85 24.41* 2.06 0.17
14 13.90 29.52 36.23* 13.35 3.37 3.61 0.02
15 15.62 13.16 39.78* 14.20 14.48 2.68 0.07
16 4.68 7.52 19.24* 6.75 57.48 4.34 0.00
17 4.94 18.04 26.46 23.31* 22.06 5.08 0.11
18 39.81* 6.85 18.92 21.23 5.64 7.41 0.13
19 19.45 35.22* 18.46 8.80 7.55 10.46 0.05
20 12.01 19.78 26.87 23.22* 8.02 10.08 0.03
21 10.15 17.39 18.77 24.50* 17.80 11.20 0.19
22 10.08 14.30* 12.69 9.51 40.77 12.40 0.25
23 35.73 8.22 9.30 20.36* 13.28 12.90 0.21
24 13.68 18.98 24.68* 14.11 11.07 17.37 0.11
25 14.42 23.42 14.87 11.85* 18.07 17.27 0.11
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem