2004 AMC8 Report for all schools in California
Number of schools returning results 154
Average of school highest score 17.87
Average school team score 48.68
# of State Student Participants 13213
Overall State Average Score 10.11
Average Score by Grade level
Grade # of Students Average
5th 145 7.96
6th 1267 9.03
7th 4475 9.89
8th 7202 10.49
Number of Female Students 6445
Average Score of Female Students 9.61
Average Female Scores by Grade
Grade # of Students Average
5th 61 7.59
6th 623 8.59
7th 2170 9.33
8th 3551 10.01
Number of Male Participants 6464
Average Score of Male Participants 10.62
Average score for Males by Grade
Grade # of Students Average
5th 82 8.28
6th 630 9.47
7th 2230 10.43
8th 3470 11.01
2004 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 5 1 6
24 4 1 6
23 15 1 16
22 23 8 32
21 24 20 44
20 42 22 65
19 74 27 103
18 129 57 189
17 171 105 279
16 229 134 369
15 309 206 527
14 394 303 711
13 487 404 908
12 576 495 1094
11 602 630 1263
10 669 718 1419
9 673 736 1449
8 656 715 1408
7 521 631 1177
6 366 490 880
5 266 364 646
4 138 214 364
3 59 93 155
2 22 43 65
1 2 6 8
0 (@) 1 1 2
0 ($) 7 20 28
(@) These students attempted some of the problems
($) 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 1 5
24 0 0 0 6
23 0 1 5 10
22 1 3 8 20
21 0 2 9 32
20 0 3 15 46
19 3 7 29 64
18 0 9 54 125
17 1 13 84 178
16 2 30 121 213
15 1 30 179 312
14 4 41 221 440
13 2 62 295 545
12 3 70 366 645
11 9 102 419 725
10 15 127 462 797
9 13 146 519 755
8 16 168 492 719
7 14 143 423 590
6 31 126 310 404
5 8 99 220 311
4 12 49 150 146
3 8 18 54 74
2 1 13 25 24
1 1 1 2 3
0(@) 0 4 12 13
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 13213 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 1.29 91.74* 3.72 0.86 1.91 0.48 0.00
2 6.15 47.32* 35.61 9.20 0.93 0.76 0.02
3 73.28* 13.81 7.38 2.64 1.70 1.16 0.03
4 2.81 52.25* 20.46 12.63 10.72 1.10 0.03
5 12.54 3.37 18.25 58.09* 7.12 0.58 0.05
6 17.94 16.76 52.76* 6.86 4.33 1.34 0.02
7 2.37 50.50* 6.13 37.03 3.25 0.67 0.05
8 24.67 52.16* 9.86 4.78 6.62 1.84 0.08
9 9.43 13.99 15.61 39.30* 19.09 2.47 0.10
10 3.20 6.58 5.46 23.95 59.80* 0.90 0.11
11 5.82 20.60 60.96* 7.21 3.94 1.42 0.05
12 24.37 23.14* 16.23 23.75 10.14 2.31 0.05
13 31.89 7.74 14.61 18.20 25.64* 1.76 0.14
14 12.47 27.44 35.53* 16.31 4.75 3.44 0.06
15 14.43 15.36 37.09* 15.55 15.42 2.04 0.11
16 4.60 8.21 21.18* 6.52 56.69 2.66 0.14
17 5.60 21.37 25.75 24.92* 19.30 2.92 0.14
18 40.24* 7.14 19.75 22.62 5.76 4.40 0.08
19 20.31 37.57* 18.16 9.41 8.24 6.24 0.07
20 12.21 21.54 26.50 24.93* 9.03 5.68 0.11
21 11.92 19.43 18.33 26.61* 17.80 5.75 0.16
22 9.76 17.21* 13.68 10.59 41.57 6.86 0.33
23 39.18 9.57 9.38 20.31* 14.37 6.91 0.28
24 15.67 20.09 25.65* 16.24 12.38 9.89 0.08
25 15.14 25.10 15.82 12.81* 21.57 9.50 0.07
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem