2007 AMC8 Report for all schools in Delaware
Number of schools returning results 4
Average of school highest score 16.25
Average school team score 46.50
# of State Student Participants 320
Overall State Average Score 9.76
Average Score by Grade level
Grade # of Students Average
6th 2 7.00
7th 143 9.41
8th 174 10.05
Number of Female Students 148
Average Score of Female Students 9.29
Average Female Scores by Grade
Grade # of Students Average
6th 2 7.00
7th 58 8.93
8th 88 9.58
Number of Male Participants 169
Average Score of Male Participants 10.12
Average score for Males by Grade
Grade # of Students Average
7th 84 9.71
8th 84 10.50
2007 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 0 0 0
24 0 0 0
23 0 0 0
22 0 0 0
21 0 0 0
20 0 0 0
19 1 0 1
18 0 0 0
17 3 0 3
16 6 4 10
15 6 4 10
14 10 9 20
13 13 5 18
12 22 9 32
11 15 16 31
10 16 16 33
9 19 26 45
8 22 20 42
7 13 16 29
6 13 12 25
5 6 2 8
4 2 4 6
3 1 2 3
2 0 3 3
1 0 0 0
0 (@) 0 0 0
0 ($) 1 0 1
(@) These students attempted some of the problems
($) 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 0 0
24 0 0 0 0
23 0 0 0 0
22 0 0 0 0
21 0 0 0 0
20 0 0 0 0
19 0 0 0 1
18 0 0 0 0
17 0 0 0 3
16 0 0 3 7
15 0 0 4 6
14 0 0 5 15
13 0 0 4 13
12 0 0 19 13
11 0 0 15 16
10 0 0 15 18
9 0 0 24 21
8 0 0 21 21
7 0 2 11 16
6 0 0 10 15
5 0 0 6 2
4 0 0 5 1
3 0 0 0 3
2 0 0 1 2
1 0 0 0 0
0(@) 0 0 0 1
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 320 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 2.81 4.38 4.69 85.31* 2.50 0.31 0.00
2 19.69 1.88 3.75 5.94 68.13* 0.63 0.00
3 7.19 11.88 61.25* 14.38 4.06 1.25 0.00
4 6.25 15.63 4.69 46.25* 26.88 0.31 0.00
5 2.81 90.63* 2.81 1.25 2.19 0.31 0.00
6 5.00 28.13 34.06 3.75 28.13* 0.94 0.00
7 7.50 12.19 4.69 65.63* 8.75 1.25 0.00
8 6.25 51.88* 9.06 17.50 14.38 0.94 0.00
9 3.13 80.31* 2.81 3.44 9.38 0.63 0.31
10 27.19 7.50 35.94 16.88* 9.38 3.13 0.00
11 5.94 8.75 19.69 36.56* 28.44 0.63 0.00
12 43.75* 16.88 11.25 14.06 12.81 1.25 0.00
13 41.88 29.06 16.25* 8.13 3.75 0.63 0.31
14 44.38 18.13 14.06* 5.94 15.94 1.56 0.00
15 39.38* 7.81 6.88 17.81 27.19 0.94 0.00
16 19.38* 8.13 13.13 52.81 5.94 0.63 0.00
17 9.06 29.38 32.81* 20.31 6.88 1.56 0.00
18 9.38 17.19 15.31 47.81* 8.13 2.19 0.00
19 33.44 28.44 23.13* 9.06 4.06 1.88 0.00
20 27.50* 13.75 17.81 18.44 17.50 4.38 0.63
21 9.06 24.69 33.44 13.13* 17.50 2.19 0.00
22 11.56 30.63 20.00* 22.50 11.25 4.06 0.00
23 10.94 20.63* 37.50 17.50 10.94 2.19 0.31
24 25.94 23.13 13.13* 16.56 16.56 4.38 0.31
25 16.25 13.75* 29.69 17.19 19.38 3.75 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem