American Mathematics Competitions
2011 AMC 10 A Results for Nevada
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 250
Number of unofficial participants: 0
Average score of participants: 61.4
Average score for female students is: 53.4 ( 78 Students)
Average score for male students is: 66.1 ( 118 Students)
Average score for unspecified gender is 62.8 ( 54 Students)
Average score for grade 10 is: 58.4 ( 114 Students)
Average score for grade 9 is: 59.2 ( 81 Students)
Average score for grade 8 and below is: 85.0 ( 32 Students)
Average score with unknown grade: 51.3 ( 23 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 6
Number of schools returning results 11
Average school winning score 94.64
American Mathematics Competitions
2011 AMC 12 A Results for Nevada
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 514
Number of unofficial participants: 0
Average score of participants: 60.3
Average score for female students is: 57.2 ( 204 Students)
Average score for male students is: 62.6 ( 246 Students)
Average score for unspecified gender is 61.3 ( 64 Students)
Average score for grade 12 is: 61.6 ( 226 Students)
Average score for grade 11 is: 58.0 ( 233 Students)
Average score for grade 10 is: 68.6 ( 25 Students)
Average score for grade 9 is: 75.0 ( 8 Students)
Average score with unknown grade: 56.7 ( 22 Students)
AIME qualifying score = 93.0 or better
Number of AIME qualifers 7
Number of schools returning results 11
Average school winning score 89.86
Average school team score 250.36
American Mathematics Competitions
2011 AMC 10 B Results for Nevada
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 136
Number of unofficial participants: 0
Average score of participants: 57.1
Average score for female students is: 53.5 ( 64 Students)
Average score for male students is: 59.6 ( 52 Students)
Average score for unspecified gender is 62.0 ( 20 Students)
Average score for grade 10 is: 56.0 ( 65 Students)
Average score for grade 9 is: 54.6 ( 56 Students)
Average score for grade 8 and below is: 75.2 ( 10 Students)
Average score with unknown grade: 62.4 ( 5 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 0
Number of schools returning results 9
Average school winning score 84.83
American Mathematics Competitions
2011 AMC 12 B Results for Nevada
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 152
Number of unofficial participants: 0
Average score of participants: 59.5
Average score for female students is: 54.2 ( 50 Students)
Average score for male students is: 61.3 ( 88 Students)
Average score for unspecified gender is 67.2 ( 14 Students)
Average score for grade 12 is: 57.0 ( 51 Students)
Average score for grade 11 is: 56.6 ( 77 Students)
Average score for grade 10 is: 84.2 ( 8 Students)
Average score for grade 9 is: 78.5 ( 3 Students)
Average score for grade 8 and below is: 71.2 ( 9 Students)
Average score with unknown grade: 58.5 ( 4 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 7
Number of schools returning results 12
Average school winning score 90.25
Average school team score 219.38
2011 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
313.5 1 1
303.0 1 2
283.5 1 3
273.0 1 4
271.5 1 5
270.0 1 6
265.5 1 7
255.0 1 8
253.5 1 9
249.0 1 10
247.5 1 11
246.0 1 12
235.5 1 13
234.0 1 14
231.0 2 15
223.5 1 17
205.5 1 18
192.0 1 1 19
162.0 1 21
142.5 1 22
106.5 1 23
2011 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
141.0 1
127.5 1
126.0 1
123.0 2
117.0 1
112.5 1
111.0 1 2 1
109.5 2
106.5 1 1
105.0 2
103.5 1
102.0 2 2 1
100.5 1 1
99.0 2 1
97.5 1
96.0 2 3 1
94.5 1 2 3 1
93.0 1 1
91.5 1 3
90.0 1 1 5
88.5 4 2 3
87.0 3 4 1
85.5 5 2 3
84.0 4 1 2 1
82.5 1 3 5 1
81.0 7 1 4 1
79.5 10 2 4 4
78.0 3 1 2 3
76.5 13 6 1
75.0 13 4 3 1
73.5 13 3 2 3
72.0 20 4 7
70.5 24 2 7 4
69.0 6 3 2 2
67.5 21 2 4 2
66.0 19 5 8 4
64.5 28 3 7 5
63.0 17 4 5 2
61.5 23 5 10 6
60.0 21 4 17 9
58.5 28 6 4 6
57.0 17 10 4 7
55.5 24 8 7 7
54.0 18 10 8 5
52.5 28 5 6 3
51.0 17 1 8 4
49.5 16 5 4 6
48.0 16 4 9 4
46.5 14 7 9 6
45.0 15 2 7 3
43.5 13 5 4 1
42.0 11 2 9 6
40.5 7 3 4 2
39.0 4 2 5 2
37.5 7 3 3 3
36.0 5 2 8 2
34.5 6 1 1 2
33.0 2 3 1
31.5 1 2 1
30.0 2 3 5 1
28.5 1 2 1
27.0 1 4
25.5 2
24.0 2 4
19.5 1 1 1
18.0 1 1 1
12.0 1
American Mathematics Competitions
2011 AMC 10 A Results for Nevada
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 10 A Results for Nevada
Analysis
Table of Item Difficulty for the 2011
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.00 0.00 13.20 83.60* 2.40 0.80 0.00
2 0.00 0.40 1.60 16.40 81.60* 0.00 0.00
3 2.40 7.60 6.80 54.00* 4.80 24.40 0.00
4 53.60* 7.20 7.60 8.00 5.20 18.40 0.00
5 6.00 26.80 43.20* 4.80 2.80 16.40 0.00
6 14.00 12.80 25.20* 15.20 11.20 21.60 0.00
7 7.20 39.20* 45.60 1.20 2.00 4.80 0.00
8 7.20 24.80 56.40* 2.40 2.80 6.40 0.00
9 28.40* 12.80 7.60 10.40 4.40 36.40 0.00
10 6.40 18.80* 8.00 14.00 9.60 43.20 0.00
11 10.80 26.00* 8.80 8.40 3.20 42.80 0.00
12 63.60* 3.20 2.80 7.60 4.80 18.00 0.00
13 26.80* 12.40 14.80 10.80 5.60 29.60 0.00
14 16.00 25.20* 13.20 3.20 2.80 39.60 0.00
15 7.20 8.00 24.80* 6.00 2.80 51.20 0.00
16 26.40 5.20* 5.20 4.80 20.80 37.60 0.00
17 3.20 3.20 66.40* 1.20 3.60 22.40 0.00
18 10.00 4.80 10.80* 13.60 7.20 53.60 0.00
19 6.80 7.20 9.60 4.80 8.80* 62.80 0.00
20 12.40 4.00 8.40 10.00* 12.40 52.80 0.00
21 8.80 8.80 10.00 4.80* 5.20 62.40 0.00
22 2.40 8.00 9.20* 8.80 9.60 62.00 0.00
23 9.20 5.60 18.00* 6.00 8.40 52.80 0.00
24 2.00 3.20 4.00 5.20* 4.40 81.20 0.00
25 4.00 6.80 4.40* 2.80 2.00 80.00 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
American Mathematics Competitions
2011 AMC 12 A Results for Nevada
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 12 A Results for Nevada
Analysis
Table of Item Difficulty for the 2011
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.19 0.58 10.12 87.55* 1.17 0.39 0.00
2 0.00 0.19 1.36 0.39 98.05* 0.00 0.00
3 0.19 0.39 0.39 9.14 89.69* 0.19 0.00
4 4.09 21.01 59.92* 2.14 1.17 11.67 0.00
5 6.03 30.35 51.75* 1.36 2.14 8.17 0.19
6 73.35* 2.53 3.70 6.03 2.33 12.06 0.00
7 6.42 23.54* 8.56 16.93 13.81 30.74 0.00
8 1.17 3.31 76.65* 2.53 0.19 16.15 0.00
9 6.61 12.84* 7.78 11.67 37.74 23.35 0.00
10 20.62 30.16* 12.65 6.23 3.70 26.46 0.19
11 8.37 5.06 15.95* 23.15 10.51 36.96 0.00
12 5.84 8.75 7.20 18.87* 25.10 34.24 0.00
13 41.44 7.78* 4.28 8.95 3.11 34.44 0.00
14 3.11 6.23 4.86 5.64 5.45* 74.71 0.00
15 7.20* 2.33 15.37 4.67 2.53 67.90 0.00
16 3.11 11.48 10.31* 6.42 7.59 61.09 0.00
17 4.47 5.45 5.84 7.00* 4.47 72.57 0.19
18 5.45 7.78 9.92 17.51* 2.92 56.42 0.00
19 3.50 3.31 7.78* 2.53 2.53 80.35 0.00
20 7.39 9.34 5.25* 4.86 2.92 70.23 0.00
21 1.17* 3.70 2.53 2.92 3.31 86.38 0.00
22 1.56 2.72 5.06* 3.31 0.97 86.38 0.00
23 3.11 3.11 4.47* 2.92 2.53 83.85 0.00
24 6.23 6.42 7.20* 3.89 9.53 66.73 0.00
25 4.09 6.81 4.67 2.92* 12.45 68.87 0.19
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
American Mathematics Competitions
2011 AMC 10 B Results for Nevada
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 10 B Results for Nevada
Analysis
Table of Item Difficulty for the 2011
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 8.09 2.21 83.82* 0.74 0.00 5.15 0.00
2 13.24 2.21 3.68 1.47 79.41* 0.00 0.00
3 80.15* 8.09 5.88 4.41 0.00 1.47 0.00
4 8.82 2.94 40.44* 44.85 0.00 2.94 0.00
5 5.88 2.94 2.94 2.21 52.21* 33.82 0.00
6 72.79* 6.62 3.68 6.62 3.68 6.62 0.00
7 42.65 36.76* 8.82 2.21 4.41 5.15 0.00
8 27.21 66.91* 1.47 0.74 1.47 2.21 0.00
9 19.85 3.68 3.68 20.59* 2.94 49.26 0.00
10 9.56 25.74* 13.97 8.82 8.82 33.09 0.00
11 6.62 10.29 52.94 6.62* 2.21 21.32 0.00
12 12.50* 8.09 0.00 7.35 0.74 71.32 0.00
13 9.56 19.85 5.88 13.24* 10.29 41.18 0.00
14 6.62 13.97 25.74* 2.94 6.62 44.12 0.00
15 13.97 8.09 11.76 10.29 24.26* 31.62 0.00
16 5.15* 15.44 8.09 8.09 2.21 61.03 0.00
17 7.35 3.68 8.09* 16.91 9.56 54.41 0.00
18 3.68 5.15 18.38 27.94 6.62* 38.24 0.00
19 9.56* 13.24 1.47 9.56 5.88 60.29 0.00
20 3.68 7.35 6.62* 5.15 2.21 75.00 0.00
21 7.35 5.15* 2.94 1.47 1.47 81.62 0.00
22 1.47* 2.94 2.94 5.15 4.41 83.09 0.00
23 31.62 8.09 1.47 2.94* 5.15 50.74 0.00
24 1.47 3.68* 3.68 5.15 5.88 80.15 0.00
25 0.74 1.47 0.74 4.41* 0.74 91.91 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
American Mathematics Competitions
2011 AMC 12 B Results for Nevada
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 12 B Results for Nevada
Analysis
Table of Item Difficulty for the 2011
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 3.29 0.00 94.08* 1.97 0.00 0.66 0.00
2 4.61 2.63 3.29 0.66 88.16* 0.66 0.00
3 5.92 3.95 58.55* 31.58 0.00 0.00 0.00
4 1.97 2.63 1.97 1.32 75.00* 17.11 0.00
5 47.37* 1.32 1.97 34.21 12.50 2.63 0.00
6 1.32 8.55 38.82* 7.24 17.11 26.32 0.66
7 6.58 65.13* 1.97 11.18 1.97 13.16 0.00
8 36.84* 12.50 6.58 7.89 1.32 34.87 0.00
9 13.16 13.16 7.24 44.08* 13.16 9.21 0.00
10 3.95 4.61 25.00 34.21 21.05* 11.18 0.00
11 17.76 23.03* 7.24 26.32 3.29 22.37 0.00
12 29.61* 9.87 15.79 13.82 3.29 26.97 0.66
13 10.53 15.13* 10.53 3.95 3.29 56.58 0.00
14 1.97 4.61 0.66 6.58* 17.11 69.08 0.00
15 15.13 9.87 6.58 10.53* 6.58 51.32 0.00
16 1.32 19.74 19.08* 7.24 6.58 46.05 0.00
17 0.66 9.21* 7.89 9.87 2.63 69.74 0.00
18 6.58* 5.92 5.92 3.95 7.24 70.39 0.00
19 8.55 5.92* 6.58 7.24 5.26 66.45 0.00
20 1.97 5.26 2.63* 1.97 1.97 86.18 0.00
21 5.92 3.29 5.92 3.95* 0.66 80.26 0.00
22 0.00 3.95 3.95 3.95* 1.32 86.84 0.00
23 6.58 6.58 11.84* 4.61 2.63 67.76 0.00
24 2.63 1.32* 1.32 1.32 5.26 88.16 0.00
25 5.26 5.26 4.61 2.63* 1.97 80.26 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
