2005 State Report for Nevada
Number of schools returning results 11
Average of school highest score 16.73
Average school team score 45.09
# of State Student Participants 1190
Overall State Average Score 8.54
Average Score by Grade level
Grade # of Students Average
5th 1 6.00
6th 79 8.81
7th 399 7.44
8th 694 9.13
Number of Female Students 588
Average Score of Female Students 8.04
Average Female Scores by Grade
Grade # of Students Average
5th 1 6.00
6th 28 7.29
7th 202 7.11
8th 352 8.68
Number of Male Participants 581
Average Score of Male Participants 9.02
Average score for Males by Grade
Grade # of Students Average
6th 46 9.72
7th 195 7.77
8th 332 9.61
2005 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 4 0 4
19 4 2 6
18 8 5 13
17 10 4 14
16 12 2 14
15 21 13 34
14 26 23 50
13 31 24 55
12 40 25 69
11 43 35 81
10 43 61 106
9 47 48 99
8 55 67 123
7 63 59 123
6 49 63 113
5 58 54 114
4 36 66 104
3 21 17 38
2 8 16 24
1 1 1 2
0 (@) 0 0 0
0 ($) 1 3 4
(@) These students attempted some of the problems
($) 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 0 0
22 0 0 0 0
21 0 0 0 0
20 0 1 1 1
19 0 1 2 3
18 0 1 4 8
17 0 0 5 9
16 0 3 5 6
15 0 1 9 23
14 0 1 13 34
13 0 4 13 37
12 0 8 14 46
11 0 4 14 62
10 0 8 20 77
9 0 9 24 65
8 0 5 29 88
7 0 6 39 77
6 1 5 55 51
5 0 11 61 42
4 0 9 53 39
3 0 2 21 14
2 0 0 16 7
1 0 0 1 1
0(@) 0 0 0 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 2005
American Mathematics Contest 8
Tabulation of responses by 1190 Students
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 1.18 57.06* 31.76 9.24 0.17 0.59 0.00
2 15.46 19.83 51.60* 5.46 6.89 0.76 0.00
3 7.06 8.66 33.95 40.67* 8.99 0.59 0.08
4 33.45 6.47 41.68* 12.44 5.04 0.84 0.08
5 6.72 52.61* 9.50 5.80 24.79 0.50 0.08
6 22.27 18.32 24.96* 19.33 14.03 1.09 0.00
7 25.80 16.81* 8.32 42.94 5.38 0.76 0.00
8 18.07 13.03 14.62 10.25 43.03* 1.01 0.00
9 14.45 21.85 18.74 35.55* 8.24 1.09 0.08
10 5.46 5.88 4.29 78.07* 5.71 0.59 0.00
11 11.34 9.33 53.53* 9.83 14.37 1.51 0.08
12 5.97 9.08 25.55 47.06* 11.18 0.92 0.25
13 20.34 41.09 20.50* 10.00 6.97 1.01 0.08
14 19.41 32.86* 8.74 21.26 16.47 1.26 0.00
15 21.93 26.13 26.64* 12.10 10.50 2.69 0.00
16 6.55 9.83 13.03 15.46* 52.77 2.18 0.17
17 14.79 3.70 38.32 7.98 33.36* 1.68 0.17
18 32.44 20.08 25.97* 13.36 5.97 2.18 0.00
19 37.90* 24.37 17.90 8.07 8.57 2.86 0.34
20 23.36* 25.63 24.20 15.21 6.81 4.71 0.08
21 29.66 34.12 19.24* 8.07 5.55 3.28 0.08
22 12.18 18.57 20.92 24.71 18.57* 4.87 0.17
23 10.42 19.50* 28.74 16.30 17.73 7.31 0.00
24 12.52 16.81* 26.22 17.56 18.99 7.73 0.17
25 20.84* 27.06 19.58 13.53 10.76 8.15 0.08
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked for the same problem