American Mathematics Competitions
2011 AMC 10 A Results for Delaware
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 288
Number of unofficial participants: 0
Average score of participants: 64.2
Average score for female students is: 57.8 ( 115 Students)
Average score for male students is: 68.0 ( 135 Students)
Average score for unspecified gender is 69.8 ( 38 Students)
Average score for grade 10 is: 67.6 ( 129 Students)
Average score for grade 9 is: 60.6 ( 145 Students)
Average score for grade 8 and below is: 124.5 ( 1 Student)
Average score with unknown grade: 66.0 ( 13 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 9
Number of schools returning results 9
Average school winning score 107.00
American Mathematics Competitions
2011 AMC 12 A Results for Delaware
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 257
Number of unofficial participants: 0
Average score of participants: 64.0
Average score for female students is: 61.7 ( 107 Students)
Average score for male students is: 65.4 ( 118 Students)
Average score for unspecified gender is 66.4 ( 32 Students)
Average score for grade 13 is: 73.5 ( 1 Student)
Average score for grade 12 is: 67.2 ( 79 Students)
Average score for grade 11 is: 63.8 ( 145 Students)
Average score for grade 10 is: 50.2 ( 22 Students)
Average score with unknown grade: 70.9 ( 10 Students)
AIME qualifying score = 93.0 or better
Number of AIME qualifers 9
Number of schools returning results 9
Average school winning score 89.50
Average school team score 254.67
American Mathematics Competitions
2011 AMC 10 B Results for Delaware
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 25
Number of unofficial participants: 0
Average score of participants: 67.4
Average score for female students is: 48.8 ( 4 Students)
Average score for male students is: 72.4 ( 20 Students)
Average score for unspecified gender is 42.0 ( 1 Student)
Average score for grade 10 is: 62.1 ( 14 Students)
Average score for grade 9 is: 64.9 ( 4 Students)
Average score for grade 8 and below is: 79.5 ( 7 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 1
Number of schools returning results 3
Average school winning score 103.00
American Mathematics Competitions
2011 AMC 12 B Results for Delaware
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 26
Number of unofficial participants: 0
Average score of participants: 60.3
Average score for female students is: 58.1 ( 8 Students)
Average score for male students is: 60.4 ( 15 Students)
Average score for unspecified gender is 65.5 ( 3 Students)
Average score for grade 12 is: 64.0 ( 14 Students)
Average score for grade 11 is: 55.1 ( 11 Students)
Average score with unknown grade: 66.0 ( 1 Student)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 0
Number of schools returning results 2
Average school winning score 81.00
Average school team score 222.75
2011 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
301.5 1 1
271.5 1 2
268.5 1 3
267.0 1 4
256.5 1 5
252.0 1 6
232.5 1 7
231.0 1 8
225.0 1 9
220.5 1 10
211.5 1 11
2011 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
136.5 2
130.5 1
127.5 1
126.0 1
124.5 1
123.0 1
121.5 2
120.0 1
115.5 1
114.0 1
112.5 1
108.0 1
105.0 1
102.0 3
100.5 3
99.0 1 2
97.5 1 4
96.0 2 4 1
94.5 2 1
93.0 2
91.5 1 2
90.0 2
88.5 1 3 2
87.0 3 4
85.5 2 1 3
84.0 3 4 1
82.5 2 3 1
81.0 3 4
79.5 3 6
78.0 12 4 2
76.5 3 2 6 1
75.0 9 6
73.5 11 5 1
72.0 3 3 1
70.5 14 1 4
69.0 13 1 6
67.5 10 2 9 1
66.0 19 3 13
64.5 9 2 4 1
63.0 13 14
61.5 14 1 13
60.0 12 7 1
58.5 11 2 7
57.0 7 13
55.5 9 2 16 2
54.0 8 3 5 1
52.5 14 2 5
51.0 5 8 1
49.5 3 13 2
48.0 4 2 9
46.5 5 9
45.0 4 9
43.5 2 1 4 1
42.0 5 5 1
40.5 1 9
39.0 1 4
37.5 4 5
36.0 1 2
34.5 2
33.0 4
31.5 1
30.0 4 3
28.5 1 1
27.0 1 1
American Mathematics Competitions
2011 AMC 10 A Results for Delaware
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 10 A Results for Delaware
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 0.00 12.50 84.72* 2.08 0.00 0.00
2 0.69 0.69 1.74 10.07 86.81* 0.00 0.00
3 2.08 5.21 6.94 62.15* 3.13 20.14 0.35
4 54.86* 6.94 6.60 5.21 4.17 22.22 0.00
5 2.08 22.57 54.86* 2.78 1.74 15.97 0.00
6 10.76 11.11 21.18* 18.75 4.17 33.68 0.35
7 7.99 27.78* 55.90 0.69 1.39 6.25 0.00
8 3.47 18.06 67.71* 1.04 1.74 7.99 0.00
9 27.43* 12.15 4.86 4.17 5.90 45.49 0.00
10 5.21 19.44* 6.60 12.85 12.50 43.40 0.00
11 11.81 19.10* 8.33 5.56 3.13 52.08 0.00
12 76.74* 1.39 3.47 3.82 1.39 13.19 0.00
13 30.21* 10.07 16.32 8.68 3.82 30.90 0.00
14 14.24 27.08* 10.42 3.47 5.21 39.58 0.00
15 4.86 5.21 27.43* 6.25 3.47 52.78 0.00
16 23.61 7.64* 4.17 3.82 18.75 42.01 0.00
17 1.74 2.08 64.24* 3.13 1.39 27.43 0.00
18 7.29 2.78 9.38* 10.07 7.29 63.19 0.00
19 5.90 5.56 4.51 4.51 6.25* 73.26 0.00
20 13.89 3.82 9.72 5.90* 9.03 57.64 0.00
21 5.56 4.51 8.33 7.64* 9.38 64.58 0.00
22 2.08 8.33 6.25* 7.29 4.51 71.53 0.00
23 6.94 4.86 16.32* 6.60 7.99 57.29 0.00
24 0.35 3.47 2.43 2.43* 2.08 89.24 0.00
25 1.74 4.86 2.43* 3.13 1.04 86.81 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 Delaware
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 12 A Results for Delaware
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 0.39 9.34 90.27* 0.00 0.00 0.00
2 0.00 0.78 0.78 0.39 97.67* 0.39 0.00
3 0.78 0.78 2.33 7.78 88.33* 0.00 0.00
4 3.11 14.01 74.32* 1.17 0.78 6.61 0.00
5 5.06 14.79 70.04* 1.17 1.95 7.00 0.00
6 75.49* 1.56 4.28 5.06 3.11 10.51 0.00
7 3.89 27.24* 7.78 12.45 11.28 37.35 0.00
8 0.39 0.78 84.44* 0.39 0.78 13.23 0.00
9 3.50 15.95* 9.34 12.45 29.96 28.79 0.00
10 15.18 44.75* 10.51 3.50 2.33 23.74 0.00
11 7.00 4.28 17.12* 19.46 8.17 43.58 0.39
12 8.95 6.23 5.45 14.79* 28.79 35.80 0.00
13 46.69 5.45* 3.11 7.39 3.89 33.46 0.00
14 1.17 4.28 4.67 5.84 8.56* 75.49 0.00
15 6.23* 0.78 22.18 3.50 2.72 64.59 0.00
16 3.50 10.51 3.50* 7.00 7.39 68.09 0.00
17 3.11 3.89 3.50 11.28* 5.45 72.76 0.00
18 2.33 8.56 9.34 22.18* 1.95 55.64 0.00
19 5.06 6.23 6.61* 2.33 1.56 78.21 0.00
20 6.61 12.84 3.89* 6.23 3.11 67.32 0.00
21 1.17* 2.33 2.72 1.17 1.56 91.05 0.00
22 1.95 1.56 1.95* 2.33 2.72 89.49 0.00
23 0.39 2.72 4.28* 2.72 3.89 85.99 0.00
24 5.45 2.72 3.89* 4.67 7.78 75.49 0.00
25 0.78 4.28 2.33 1.56* 12.84 78.21 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 Delaware
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 10 B Results for Delaware
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 8.00 0.00 92.00* 0.00 0.00 0.00 0.00
2 4.00 4.00 8.00 0.00 80.00* 4.00 0.00
3 84.00* 4.00 4.00 4.00 0.00 4.00 0.00
4 16.00 12.00 48.00* 24.00 0.00 0.00 0.00
5 8.00 4.00 0.00 4.00 60.00* 24.00 0.00
6 92.00* 4.00 0.00 4.00 0.00 0.00 0.00
7 32.00 52.00* 4.00 0.00 8.00 4.00 0.00
8 24.00 76.00* 0.00 0.00 0.00 0.00 0.00
9 20.00 4.00 4.00 24.00* 0.00 48.00 0.00
10 8.00 48.00* 12.00 12.00 12.00 8.00 0.00
11 4.00 8.00 52.00 24.00* 4.00 8.00 0.00
12 28.00* 4.00 0.00 4.00 4.00 60.00 0.00
13 8.00 20.00 4.00 36.00* 12.00 20.00 0.00
14 20.00 20.00 24.00* 0.00 8.00 28.00 0.00
15 0.00 12.00 4.00 8.00 52.00* 24.00 0.00
16 8.00* 16.00 4.00 16.00 0.00 56.00 0.00
17 0.00 12.00 20.00* 20.00 8.00 40.00 0.00
18 4.00 4.00 12.00 36.00 12.00* 32.00 0.00
19 24.00* 8.00 8.00 12.00 4.00 44.00 0.00
20 0.00 12.00 24.00* 0.00 0.00 64.00 0.00
21 16.00 4.00* 8.00 4.00 0.00 68.00 0.00
22 4.00* 8.00 16.00 0.00 0.00 72.00 0.00
23 40.00 16.00 4.00 8.00* 0.00 32.00 0.00
24 8.00 4.00* 8.00 8.00 4.00 68.00 0.00
25 4.00 4.00 12.00 0.00* 4.00 76.00 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 Delaware
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2011 AMC 12 B Results for Delaware
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 3.85 0.00 96.15* 0.00 0.00 0.00 0.00
2 3.85 0.00 0.00 3.85 88.46* 3.85 0.00
3 0.00 7.69 65.38* 26.92 0.00 0.00 0.00
4 3.85 0.00 0.00 3.85 50.00* 42.31 0.00
5 46.15* 3.85 0.00 23.08 23.08 3.85 0.00
6 0.00 0.00 19.23* 7.69 3.85 69.23 0.00
7 3.85 80.77* 0.00 11.54 0.00 3.85 0.00
8 38.46* 7.69 7.69 3.85 0.00 42.31 0.00
9 3.85 7.69 7.69 50.00* 3.85 26.92 0.00
10 0.00 7.69 19.23 19.23 26.92* 26.92 0.00
11 15.38 26.92* 7.69 19.23 3.85 26.92 0.00
12 34.62* 7.69 3.85 7.69 3.85 42.31 0.00
13 11.54 3.85* 3.85 0.00 0.00 80.77 0.00
14 0.00 3.85 0.00 7.69* 0.00 88.46 0.00
15 7.69 3.85 7.69 3.85* 3.85 73.08 0.00
16 3.85 7.69 7.69* 11.54 7.69 61.54 0.00
17 0.00 3.85* 7.69 7.69 7.69 73.08 0.00
18 0.00* 0.00 3.85 3.85 3.85 88.46 0.00
19 7.69 3.85* 7.69 11.54 0.00 69.23 0.00
20 0.00 3.85 3.85* 3.85 0.00 88.46 0.00
21 7.69 3.85 7.69 3.85* 0.00 76.92 0.00
22 0.00 0.00 3.85 0.00* 3.85 92.31 0.00
23 3.85 3.85 3.85* 11.54 0.00 76.92 0.00
24 3.85 0.00* 0.00 0.00 3.85 92.31 0.00
25 3.85 0.00 0.00 3.85* 0.00 92.31 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
