2005 State Report for Oklahoma
Number of schools returning results 11
Average of school highest score 19.91
Average school team score 54.82
# of State Student Participants 750
Overall State Average Score 9.21
Average Score by Grade level
Grade # of Students Average
6th 151 6.99
7th 278 9.41
8th 312 10.09
Number of Female Students 335
Average Score of Female Students 8.54
Average Female Scores by Grade
Grade # of Students Average
6th 70 6.89
7th 114 8.85
8th 150 9.09
Number of Male Participants 398
Average Score of Male Participants 9.73
Average score for Males by Grade
Grade # of Students Average
6th 80 7.09
7th 158 9.84
8th 153 10.92
2005 American Mathematics Contest 8
Number of Students Achieving Indicated Score
SCORE MALE FEMALE TOTAL*
25 0 0 0
24 0 0 0
23 2 0 2
22 2 0 2
21 1 2 3
20 3 0 4
19 6 0 6
18 9 0 9
17 8 3 11
16 7 3 10
15 7 8 15
14 23 10 36
13 22 14 37
12 30 25 55
11 34 26 63
10 36 35 73
9 46 31 79
8 34 35 70
7 35 35 71
6 38 47 87
5 20 30 50
4 12 19 31
3 18 7 26
2 4 3 7
1 0 2 2
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
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 0
24 0 0 0 0
23 0 0 1 1
22 0 1 0 1
21 0 0 0 3
20 0 0 0 4
19 0 0 1 5
18 0 0 4 5
17 0 1 2 8
16 0 0 3 7
15 0 1 7 7
14 0 2 14 18
13 0 1 21 15
12 0 7 27 20
11 0 7 21 34
10 0 7 29 35
9 0 14 36 29
8 0 9 26 34
7 0 20 28 23
6 0 34 25 27
5 0 20 12 17
4 0 11 6 14
3 0 13 10 3
2 0 1 4 2
1 0 2 0 0
0(@) 0 0 1 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 750 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.53 60.00* 30.13 8.93 0.13 0.27 0.00
2 13.60 20.67 56.67* 4.40 4.27 0.40 0.00
3 7.33 9.20 37.07 39.20* 6.40 0.67 0.13
4 26.40 4.40 52.80* 10.80 5.33 0.13 0.13
5 7.20 56.27* 10.53 3.87 21.60 0.53 0.00
6 18.13 19.47 28.13* 16.80 16.67 0.80 0.00
7 25.33 19.33* 7.60 43.87 3.33 0.53 0.00
8 16.00 12.93 13.87 8.53 48.40* 0.27 0.00
9 16.00 19.20 20.53 35.73* 7.33 1.20 0.00
10 4.93 3.73 3.73 82.27* 5.07 0.27 0.00
11 9.20 6.53 59.33* 10.00 13.73 1.20 0.00
12 6.40 5.60 28.00 44.53* 14.53 0.80 0.13
13 19.47 47.47 22.27* 5.60 4.40 0.53 0.27
14 18.27 30.80* 8.13 20.13 21.87 0.80 0.00
15 20.80 23.20 32.53* 10.53 11.33 1.60 0.00
16 5.33 8.40 12.00 17.33* 55.87 1.07 0.00
17 13.20 2.53 32.67 9.07 41.60* 0.93 0.00
18 30.93 19.60 29.07* 13.07 5.73 1.60 0.00
19 39.47* 24.93 17.20 8.80 7.20 2.27 0.13
20 27.07* 22.67 24.27 15.07 7.73 3.07 0.13
21 30.27 32.13 20.80* 7.73 6.53 2.27 0.27
22 12.67 19.60 19.73 27.33 17.20* 3.47 0.00
23 8.40 22.27* 30.40 14.80 17.20 6.67 0.27
24 11.87 14.67* 27.87 18.40 20.40 6.67 0.13
25 23.20* 24.13 22.67 12.13 9.87 8.00 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem