2005 State Report for Delaware
Number of schools returning results 4
Average of school highest score 19.00
Average school team score 52.25
# of State Student Participants 325
Overall State Average Score 9.79
Average Score by Grade level
Grade # of Students Average
7th 143 8.92
8th 177 10.49
Number of Female Students 167
Average Score of Female Students 9.47
Average Female Scores by Grade
Grade # of Students Average
7th 73 8.53
8th 93 10.19
Number of Male Participants 155
Average Score of Male Participants 10.08
Average score for Males by Grade
Grade # of Students Average
7th 69 9.25
8th 83 10.77
2005 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 1 0 1
24 0 0 0
23 0 0 0
22 0 1 1
21 0 1 1
20 1 0 1
19 0 1 1
18 3 2 5
17 0 1 1
16 6 3 9
15 9 0 10
14 6 12 19
13 8 8 16
12 11 13 24
11 18 18 36
10 16 19 36
9 20 19 39
8 22 16 38
7 13 20 33
6 9 12 21
5 8 11 19
4 2 7 9
3 2 2 4
2 0 1 1
1 0 0 0
0 (@) 0 0 0
0 ($) 0 0 0
(@) These students attempted some of the problems
($) These students attempted none of the problems
(*) Total includes students who failed to mark their gender
2005 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 1
24 0 0 0 0
23 0 0 0 0
22 0 0 0 1
21 0 0 0 1
20 0 0 0 1
19 0 0 0 1
18 0 0 1 4
17 0 0 1 0
16 0 0 2 7
15 0 0 4 6
14 0 0 4 14
13 0 0 3 13
12 0 0 10 14
11 0 0 15 21
10 0 0 15 19
9 0 0 20 18
8 0 0 20 17
7 0 0 19 14
6 0 0 12 9
5 0 0 9 10
4 0 0 5 4
3 0 0 2 2
2 0 0 1 0
1 0 0 0 0
0(@) 0 0 0 0
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 2005
American Mathematics Contest 8
Tabulation of responses by 325 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 1.23 64.00* 24.92 8.31 1.23 0.31 0.00
2 9.23 13.54 68.00* 5.85 2.77 0.62 0.00
3 6.15 7.38 35.69 42.15* 8.31 0.31 0.00
4 33.23 4.00 44.00* 13.54 3.38 1.85 0.00
5 6.46 67.38* 9.54 2.15 13.85 0.31 0.31
6 16.92 21.85 24.62* 17.54 18.15 0.92 0.00
7 30.15 19.69* 8.00 37.23 3.38 1.23 0.31
8 15.69 10.15 15.69 9.54 48.00* 0.31 0.62
9 14.46 25.54 18.46 34.46* 5.85 1.23 0.00
10 3.08 2.46 2.46 88.00* 3.69 0.31 0.00
11 7.69 6.46 64.31* 9.54 10.77 1.23 0.00
12 4.62 3.69 21.54 56.92* 12.62 0.62 0.00
13 17.85 50.46 17.85* 5.85 6.46 1.54 0.00
14 14.46 37.23* 4.62 22.77 20.31 0.62 0.00
15 17.54 19.08 26.15* 10.77 22.77 3.69 0.00
16 5.23 7.38 13.23 28.00* 42.77 2.77 0.62
17 12.00 3.08 28.00 11.69 43.69* 1.54 0.00
18 30.46 18.46 30.77* 11.38 6.77 1.85 0.31
19 41.85* 23.38 15.69 6.46 9.85 2.77 0.00
20 26.46* 23.08 21.54 14.77 6.15 8.00 0.00
21 23.08 32.62 28.00* 5.54 5.23 5.54 0.00
22 11.38 12.62 20.00 30.77 18.15* 7.08 0.00
23 11.38 22.46* 24.92 15.69 16.31 8.62 0.62
24 15.38 13.85* 21.54 18.15 20.92 9.85 0.31
25 23.38* 24.31 16.31 12.62 12.92 10.46 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem