American Mathematics Competitions
2011 AMC 10 A Results for South Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 434
Number of unofficial participants: 0
Average score of participants: 60.4
Average score for female students is: 55.1 ( 167 Students)
Average score for male students is: 65.9 ( 198 Students)
Average score for unspecified gender is 57.3 ( 69 Students)
Average score for grade 10 is: 64.2 ( 192 Students)
Average score for grade 9 is: 56.6 ( 167 Students)
Average score for grade 8 and below is: 61.1 ( 53 Students)
Average score with unknown grade: 54.1 ( 22 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 4
Number of schools returning results 27
Average school winning score 96.33
American Mathematics Competitions
2011 AMC 12 A Results for South Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 442
Number of unofficial participants: 0
Average score of participants: 65.6
Average score for female students is: 61.5 ( 157 Students)
Average score for male students is: 68.6 ( 220 Students)
Average score for unspecified gender is 65.5 ( 65 Students)
Average score for grade 12 is: 67.8 ( 161 Students)
Average score for grade 11 is: 64.3 ( 214 Students)
Average score for grade 10 is: 61.3 ( 30 Students)
Average score for grade 9 is: 65.0 ( 6 Students)
Average score with unknown grade: 67.5 ( 31 Students)
AIME qualifying score = 93.0 or better
Number of AIME qualifers 22
Number of schools returning results 28
Average school winning score 88.82
Average school team score 249.48
American Mathematics Competitions
2011 AMC 10 B Results for South Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 175
Number of unofficial participants: 0
Average score of participants: 58.6
Average score for female students is: 53.0 ( 90 Students)
Average score for male students is: 64.1 ( 68 Students)
Average score for unspecified gender is 65.5 ( 17 Students)
Average score for grade 10 is: 60.9 ( 89 Students)
Average score for grade 9 is: 56.9 ( 55 Students)
Average score for grade 8 and below is: 53.5 ( 29 Students)
Average score with unknown grade: 72.8 ( 2 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 2
Number of schools returning results 11
Average school winning score 97.64
American Mathematics Competitions
2011 AMC 12 B Results for South Carolina
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 77
Number of unofficial participants: 0
Average score of participants: 67.9
Average score for female students is: 61.2 ( 26 Students)
Average score for male students is: 71.9 ( 44 Students)
Average score for unspecified gender is 67.5 ( 7 Students)
Average score for grade 12 is: 67.0 ( 30 Students)
Average score for grade 11 is: 68.1 ( 32 Students)
Average score for grade 10 is: 75.0 ( 7 Students)
Average score for grade 9 is: 66.0 ( 2 Students)
Average score for grade 8 and below is: 59.1 ( 5 Students)
Average score with unknown grade: 84.0 ( 1 Student)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 9
Number of schools returning results 11
Average school winning score 95.18
Average school team score 245.59
2011 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
349.5 1 1
336.0 1 2
310.5 1 3
301.5 1 4
300.0 1 5
289.5 1 6
283.5 1 7
282.0 1 8
280.5 1 1 9
274.5 1 11
273.0 1 12
271.5 1 13
268.5 1 1 14
267.0 2 16
264.0 1 18
262.5 1 19
259.5 1 20
252.0 1 21
249.0 1 22
244.5 1 23
234.0 1 24
229.5 1 25
219.0 1 26
216.0 1 27
214.5 1 28
211.5 2 29
210.0 1 31
202.5 1 32
201.0 1 1 33
199.5 1 35
186.0 1 36
184.5 1 37
168.0 1 38
163.5 1 39
2011 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
135.0 1
132.0 1 1
127.5 1
126.0 2
121.5 1
118.5 1
117.0 2
114.0 1 3
112.5 1 2
111.0 1
109.5 1 3
108.0 2
106.5 1
105.0 2 1
103.5 1 1
102.0 1 2
100.5 1 1 2 1
99.0 1 3
97.5 3 2 1
96.0 4 1 4 2
94.5 6 2 2
93.0 1 1 3 1
91.5 3 2 1
90.0 5 2 2
88.5 8 1 5 2
87.0 8 1 4
85.5 6 7
84.0 6 3 3 4
82.5 9 7
81.0 8 5 1
79.5 9 2 4 3
78.0 5 7 2
76.5 16 1 5 5
75.0 7 2 9 4
73.5 11 6 1
72.0 16 2 10
70.5 22 11 5
69.0 19 3 13 1
67.5 17 5 14 7
66.0 26 2 8 12
64.5 19 3 9 7
63.0 16 2 14 4
61.5 19 3 14 4
60.0 13 1 18 6
58.5 14 2 18 1
57.0 19 6 12 2
55.5 14 16 8
54.0 11 3 12 5
52.5 18 2 14 5
51.0 4 1 12 4
49.5 15 2 11 7
48.0 3 17 8
46.5 10 5 14 6
45.0 9 1 11 7
43.5 4 3 14 3
42.0 12 1 20 6
40.5 3 9 1
39.0 2 10 6
37.5 7 11 4
36.0 3 2 8 5
34.5 2 2 4 4
33.0 1 3 2
31.5 1 2
30.0 1 5 3
28.5 3 1
27.0 2
25.5 1 1
22.5 1
21.0 1
16.5 2
12.0 1
American Mathematics Competitions
2011 AMC 10 A Results for South Carolina
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 10 A Results for South Carolina
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 0.69 0.46 14.29 79.72* 2.53 2.30 0.00
2 0.46 0.46 0.69 9.91 87.56* 0.92 0.00
3 2.30 4.61 8.06 51.38* 2.76 30.88 0.00
4 50.00* 5.53 7.60 6.45 3.00 27.42 0.00
5 4.61 30.88 43.09* 3.69 0.92 16.82 0.00
6 16.59 10.14 25.12* 20.05 3.23 24.88 0.00
7 11.75 23.96* 50.92 2.07 1.61 9.68 0.00
8 5.99 20.74 54.61* 1.84 1.84 14.98 0.00
9 24.19* 10.37 5.76 4.15 3.46 52.07 0.00
10 5.30 17.05* 5.99 14.98 13.36 43.32 0.00
11 9.22 14.06* 7.14 6.45 3.23 59.91 0.00
12 70.51* 2.53 3.69 6.45 2.53 14.29 0.00
13 26.27* 11.29 14.29 10.60 3.00 34.56 0.00
14 11.98 21.43* 11.75 2.76 2.76 49.31 0.00
15 5.53 6.91 22.81* 4.15 3.46 57.14 0.00
16 14.06 7.14* 2.53 4.84 21.66 49.77 0.00
17 0.92 1.84 65.21* 3.46 0.69 27.88 0.00
18 4.38 5.76 5.07* 14.06 5.30 65.44 0.00
19 4.61 7.37 5.07 5.30 7.60* 70.05 0.00
20 7.14 2.76 11.98 5.53* 11.75 60.83 0.00
21 6.45 6.45 8.06 5.07* 7.83 66.13 0.00
22 4.84 7.14 5.76* 5.99 6.68 69.59 0.00
23 6.68 3.69 15.21* 7.37 7.83 59.22 0.00
24 2.30 1.61 3.00 2.30* 1.15 89.63 0.00
25 1.61 1.38 4.15* 2.76 1.61 88.48 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 South Carolina
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 12 A Results for South Carolina
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 6.79 91.18* 0.90 1.13 0.00
2 0.00 0.00 0.90 0.00 98.19* 0.90 0.00
3 0.23 0.45 1.13 9.73 87.10* 1.36 0.00
4 1.81 16.29 68.33* 0.45 1.13 11.99 0.00
5 4.75 14.71 68.78* 1.58 2.49 7.69 0.00
6 81.00* 0.68 2.04 4.75 1.13 10.41 0.00
7 2.94 33.71* 7.24 10.86 7.92 37.33 0.00
8 1.13 1.13 77.60* 1.81 1.36 16.97 0.00
9 4.98 21.27* 9.73 8.37 29.19 26.47 0.00
10 14.71 39.82* 8.82 2.71 2.49 31.45 0.00
11 5.43 2.26 22.17* 20.59 8.14 41.40 0.00
12 5.66 5.88 4.52 17.87* 26.02 40.05 0.00
13 37.10 3.85* 2.49 9.28 3.17 44.12 0.00
14 1.13 6.11 4.98 6.11 5.43* 76.24 0.00
15 5.43* 3.39 14.48 3.39 0.90 72.40 0.00
16 2.49 6.79 7.92* 5.66 4.98 72.17 0.00
17 2.71 4.52 4.52 7.47* 2.94 77.83 0.00
18 3.85 4.30 11.99 26.24* 1.81 51.81 0.00
19 3.85 2.71 7.69* 2.04 1.58 82.13 0.00
20 3.85 14.03 5.20* 3.62 2.49 70.81 0.00
21 2.04* 3.17 1.81 1.13 1.81 90.05 0.00
22 1.13 1.36 2.94* 2.94 1.36 90.27 0.00
23 2.26 1.36 3.85* 2.26 0.68 89.59 0.00
24 2.26 4.75 5.66* 3.39 5.43 78.51 0.00
25 2.26 4.07 3.39 2.49* 9.05 78.73 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 10 B Results for South Carolina
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 10 B Results for South Carolina
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 10.86 2.29 80.57* 2.86 0.57 2.86 0.00
2 4.00 2.29 2.29 5.71 83.43* 2.29 0.00
3 74.86* 4.57 4.00 8.57 2.86 5.14 0.00
4 10.86 4.57 44.00* 36.57 0.00 4.00 0.00
5 4.57 4.00 2.29 3.43 46.29* 38.86 0.57
6 65.71* 4.57 5.14 4.57 5.14 14.86 0.00
7 35.43 37.71* 6.29 3.43 2.29 14.86 0.00
8 33.71 59.43* 1.14 0.57 1.71 3.43 0.00
9 12.00 2.29 4.57 18.86* 3.43 58.86 0.00
10 10.29 26.86* 17.14 9.71 9.14 26.86 0.00
11 6.86 1.71 51.43 18.29* 6.29 15.43 0.00
12 10.29* 10.29 2.86 4.00 2.29 69.71 0.57
13 10.86 26.86 4.00 17.71* 10.29 30.29 0.00
14 10.86 5.14 23.43* 8.00 6.86 45.71 0.00
15 11.43 12.00 8.00 14.86 30.29* 23.43 0.00
16 12.00* 12.57 4.57 9.14 0.57 61.14 0.00
17 4.57 6.86 14.29* 10.29 6.86 57.14 0.00
18 0.57 9.14 29.14 18.86 9.14* 33.14 0.00
19 9.14* 5.71 3.43 5.71 5.71 70.29 0.00
20 2.86 5.71 8.57* 3.43 5.14 74.29 0.00
21 8.57 9.14* 3.43 4.57 2.29 72.00 0.00
22 3.43* 3.43 7.43 3.43 1.14 81.14 0.00
23 29.14 6.29 3.43 6.86* 2.86 51.43 0.00
24 4.00 5.71* 4.00 3.43 6.86 76.00 0.00
25 0.00 1.14 3.43 4.57* 2.86 88.00 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 B Results for South Carolina
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 12 B Results for South Carolina
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 97.40* 1.30 0.00 1.30 0.00
2 1.30 0.00 2.60 1.30 93.51* 1.30 0.00
3 3.90 2.60 77.92* 15.58 0.00 0.00 0.00
4 1.30 3.90 0.00 3.90 74.03* 16.88 0.00
5 59.74* 0.00 1.30 23.38 9.09 6.49 0.00
6 0.00 2.60 38.96* 2.60 11.69 44.16 0.00
7 3.90 70.13* 0.00 9.09 1.30 15.58 0.00
8 45.45* 5.19 2.60 2.60 3.90 40.26 0.00
9 7.79 11.69 6.49 46.75* 5.19 22.08 0.00
10 0.00 2.60 18.18 22.08 28.57* 28.57 0.00
11 9.09 40.26* 3.90 23.38 2.60 20.78 0.00
12 41.56* 12.99 7.79 5.19 1.30 31.17 0.00
13 6.49 18.18* 6.49 3.90 2.60 62.34 0.00
14 1.30 1.30 1.30 14.29* 2.60 79.22 0.00
15 10.39 10.39 6.49 15.58* 5.19 51.95 0.00
16 0.00 18.18 11.69* 7.79 1.30 61.04 0.00
17 1.30 9.09* 3.90 3.90 5.19 76.62 0.00
18 5.19* 6.49 2.60 0.00 1.30 84.42 0.00
19 5.19 6.49* 6.49 2.60 5.19 74.03 0.00
20 0.00 3.90 3.90* 1.30 0.00 90.91 0.00
21 1.30 2.60 2.60 7.79* 0.00 85.71 0.00
22 0.00 1.30 0.00 1.30* 1.30 96.10 0.00
23 5.19 2.60 7.79* 2.60 0.00 81.82 0.00
24 0.00 1.30* 2.60 0.00 1.30 94.81 0.00
25 2.60 6.49 1.30 0.00* 0.00 89.61 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
