2007 AMC8 Report for all schools in North Carolina
Number of schools returning results 73
Average of school highest score 18.44
Average school team score 51.15
# of State Student Participants 7824
Overall State Average Score 9.95
Average Score by Grade level
Grade # of Students Average
5th 33 7.76
6th 1310 8.15
7th 2474 9.53
8th 3900 10.84
Number of Female Students 3790
Average Score of Female Students 9.55
Average Female Scores by Grade
Grade # of Students Average
5th 12 7.25
6th 624 7.84
7th 1193 9.10
8th 1929 10.41
Number of Male Participants 3747
Average Score of Male Participants 10.37
Average score for Males by Grade
Grade # of Students Average
5th 21 8.05
6th 606 8.45
7th 1208 9.97
8th 1877 11.27
2007 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 2 0 2
24 6 1 7
23 13 1 15
22 8 1 9
21 28 10 39
20 26 10 37
19 50 18 69
18 55 27 83
17 71 38 112
16 110 66 179
15 136 106 250
14 199 188 400
13 276 234 533
12 347 292 656
11 399 403 837
10 397 454 890
9 381 454 873
8 360 381 767
7 293 380 707
6 241 328 590
5 156 195 364
4 107 131 244
3 57 45 103
2 16 24 40
1 8 2 10
0 (@) 0 0 0
0 ($) 5 1 8
(@) These students attempted some of the problems
($) These students attempted none of the problems
(*) Total includes students who failed to mark their gender
2007 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 1
24 0 0 3 4
23 0 1 6 8
22 0 0 2 7
21 0 0 8 31
20 0 0 8 29
19 0 3 17 48
18 0 3 17 63
17 0 3 34 74
16 0 8 46 124
15 1 23 66 156
14 2 28 99 266
13 0 38 137 347
12 2 61 202 382
11 2 99 257 467
10 2 131 275 468
9 2 153 296 413
8 3 171 242 340
7 3 176 251 269
6 8 189 216 171
5 5 92 141 118
4 2 70 89 79
3 1 37 41 23
2 0 18 13 9
1 0 5 4 0
0(@) 0 1 3 3
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 2007
American Mathematics Contest 8
Tabulation of responses by 7824 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 3.25 3.71 3.35 86.95* 2.39 0.36 0.00
2 19.04 3.13 3.63 5.06 68.29* 0.79 0.05
3 5.10 8.64 69.85* 12.44 3.00 0.91 0.06
4 6.25 15.84 3.96 50.96* 22.56 0.35 0.09
5 4.22 88.13* 3.78 1.58 1.98 0.28 0.03
6 5.64 20.90 36.72 3.36 32.06* 1.27 0.06
7 9.43 15.96 5.41 60.29* 7.37 1.46 0.08
8 4.29 57.82* 6.74 19.80 10.43 0.87 0.05
9 2.94 81.02* 2.62 2.76 10.21 0.37 0.08
10 29.93 10.03 35.14 16.12* 4.05 4.65 0.08
11 6.43 7.62 24.02 37.19* 22.64 2.06 0.05
12 43.57* 14.56 14.24 13.93 11.06 2.56 0.09
13 46.75 28.37 14.47* 5.24 2.49 2.61 0.06
14 46.75 15.03 12.22* 6.12 17.15 2.65 0.08
15 43.40* 6.58 6.76 18.39 22.35 2.36 0.14
16 24.35* 7.64 8.61 48.88 6.98 3.48 0.06
17 10.31 30.16 31.34* 16.77 7.08 4.24 0.09
18 7.03 15.36 18.62 44.58* 8.50 5.85 0.05
19 24.31 29.24 22.94* 10.88 5.27 7.18 0.18
20 24.62* 15.98 19.10 14.88 15.57 9.71 0.15
21 9.24 17.98 38.08 11.18* 14.35 9.00 0.17
22 8.67 26.66 22.62* 19.54 9.62 12.68 0.20
23 7.63 22.88* 36.53 13.48 7.80 11.55 0.13
24 24.40 21.72 16.27* 12.63 11.66 13.22 0.12
25 13.45 11.62* 35.65 12.07 12.05 15.12 0.05
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem