2004 AMC8 Report for all schools in Illinois
Number of schools returning results 83
Average of school highest score 17.63
Average school team score 48.48
# of State Student Participants 4830
Overall State Average Score 10.11
Average Score by Grade level
Grade # of Students Average
5th 39 8.33
6th 526 9.07
7th 1538 9.71
8th 2685 10.56
Number of Female Students 2279
Average Score of Female Students 9.71
Average Female Scores by Grade
Grade # of Students Average
5th 12 9.75
6th 218 8.74
7th 754 9.26
8th 1281 10.16
Number of Male Participants 2460
Average Score of Male Participants 10.48
Average score for Males by Grade
Grade # of Students Average
5th 26 7.77
6th 303 9.27
7th 766 10.15
8th 1348 10.96
2004 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 0 0 0
24 2 0 2
23 4 2 6
22 11 3 15
21 19 6 25
20 25 10 35
19 30 12 43
18 51 26 78
17 68 39 109
16 102 49 155
15 100 84 189
14 121 102 230
13 170 125 300
12 188 192 383
11 241 218 466
10 228 228 466
9 259 260 531
8 254 275 540
7 191 238 433
6 142 182 330
5 131 121 257
4 75 62 142
3 34 27 63
2 10 12 22
1 2 3 5
0 (@) 0 0 0
0 ($) 2 3 5
(@) These students attempted some of the problems
($) 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 1 1
23 0 0 3 3
22 0 1 3 11
21 0 1 4 20
20 0 0 9 25
19 0 2 14 26
18 0 2 17 58
17 1 8 21 77
16 0 15 37 99
15 2 14 56 116
14 0 17 77 134
13 1 25 87 187
12 2 40 110 230
11 4 49 149 258
10 2 49 153 259
9 5 53 168 300
8 4 56 182 293
7 4 63 138 225
6 6 48 113 158
5 6 38 106 107
4 0 26 51 64
3 2 12 26 23
2 0 5 9 7
1 0 2 3 0
0(@) 0 0 1 4
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 4830 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 1.57 90.37* 4.00 1.45 2.13 0.48 0.00
2 6.73 43.62* 37.91 9.96 1.08 0.68 0.02
3 73.73* 14.62 5.96 2.38 1.93 1.33 0.06
4 2.90 54.29* 19.94 11.97 10.17 0.68 0.06
5 10.95 2.63 18.80 59.83* 7.35 0.39 0.04
6 19.32 15.94 53.35* 5.92 4.27 1.16 0.04
7 2.63 47.00* 5.51 40.35 4.02 0.48 0.02
8 23.08 51.97* 10.37 5.03 7.87 1.61 0.06
9 9.96 13.08 13.19 39.36* 21.61 2.75 0.04
10 3.31 6.54 5.30 24.22 59.77* 0.66 0.19
11 6.05 20.08 60.52* 7.00 4.84 1.45 0.06
12 25.20 21.28* 15.01 24.41 11.57 2.42 0.10
13 33.42 8.39 13.42 17.62 25.11* 1.88 0.17
14 13.19 27.60 37.27* 14.84 3.89 3.13 0.08
15 15.55 13.54 38.14* 15.34 15.69 1.70 0.04
16 5.16 9.50 20.02* 6.23 56.83 2.15 0.10
17 5.28 21.04 24.95 25.13* 21.04 2.48 0.08
18 43.23* 7.00 18.82 20.99 5.84 4.04 0.08
19 20.27 37.52* 18.49 9.48 8.26 5.96 0.02
20 12.26 20.83 25.69 26.73* 9.19 5.26 0.04
21 11.06 18.36 19.86 25.92* 18.86 5.78 0.17
22 9.98 16.96* 13.46 10.14 42.19 6.96 0.31
23 40.39 9.23 7.91 21.22* 14.22 6.73 0.29
24 14.31 20.56 25.47* 16.02 13.54 10.02 0.08
25 17.16 25.63 15.11 13.23* 19.15 9.65 0.06
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem