American Mathematics Competitions
2009 AMC 10 A Results for Rhode Island
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 296
Number of unofficial participants: 0
Average score of participants: 65.0
Average score for female students is: 59.1 ( 121 Students)
Average score for male students is: 67.7 ( 133 Students)
Average score for unspecified gender is 73.4 ( 42 Students)
Average score for grade 10 is: 68.5 ( 149 Students)
Average score for grade 9 is: 60.2 ( 121 Students)
Average score for grade 8 and below is: 66.8 ( 16 Students)
Average score with unknown grade: 67.1 ( 10 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 5
Number of schools returning results 12
Average school winning score 98.38
American Mathematics Competitions
2009 AMC 12 A Results for Rhode Island
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 331
Number of unofficial participants: 0
Average score of participants: 66.1
Average score for female students is: 63.5 ( 150 Students)
Average score for male students is: 69.9 ( 125 Students)
Average score for unspecified gender is 64.3 ( 56 Students)
Average score for grade 12 is: 66.4 ( 151 Students)
Average score for grade 11 is: 66.3 ( 172 Students)
Average score for grade 10 is: 48.0 ( 3 Students)
Average score with unknown grade: 56.4 ( 5 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 11
Number of schools returning results 13
Average school winning score 92.42
Average school team score 255.35
American Mathematics Competitions
2009 AMC 10 B Results for Rhode Island
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 135
Number of unofficial participants: 0
Average score of participants: 64.8
Average score for female students is: 63.2 ( 60 Students)
Average score for male students is: 69.3 ( 57 Students)
Average score for unspecified gender is 56.1 ( 18 Students)
Average score for grade 10 is: 63.8 ( 76 Students)
Average score for grade 9 is: 66.3 ( 57 Students)
Average score with unknown grade: 60.8 ( 2 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 0
Number of schools returning results 5
Average school winning score 98.70
American Mathematics Competitions
2009 AMC 12 B Results for Rhode Island
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 150
Number of unofficial participants: 0
Average score of participants: 64.5
Average score for female students is: 58.8 ( 69 Students)
Average score for male students is: 70.8 ( 61 Students)
Average score for unspecified gender is 65.2 ( 20 Students)
Average score for grade 12 is: 70.0 ( 67 Students)
Average score for grade 11 is: 59.9 ( 81 Students)
Average score with unknown grade: 67.5 ( 2 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 2
Number of schools returning results 6
Average school winning score 96.00
Average school team score 269.25
2009 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
337.5 1 1
322.5 1 2
313.5 1 3
292.5 1 4
267.0 1 5
265.5 1 1 6
261.0 1 8
258.0 1 1 9
253.5 1 11
250.5 1 12
249.0 1 13
244.5 1 14
243.0 1 15
225.0 1 16
223.5 1 17
222.0 1 18
183.0 1 19
2009 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
135.0 1
133.5 1
132.0 1
126.0 1 1
121.5 1
117.0 1
115.5 1
114.0 1
112.5 1
111.0 1
109.5 1
108.0 3 1
106.5 1 1 1
105.0 1
103.5 1 1
102.0 1 3 1
100.5 2 2
99.0 1
97.5 1 1 1
96.0 3 2
94.5 2 1 1 1
93.0 1
91.5 4 3 5 3
90.0 7 1 7 1
88.5 5 4 2 1
87.0 2 2 5 1
85.5 4 2 3
84.0 8 4 6 3
82.5 11 2 6 3
81.0 4 2 3 2
79.5 5 3 5 4
78.0 10 7 8 3
76.5 11 10 3 4
75.0 9 3 8 3
73.5 11 5 4 7
72.0 13 9 12 1
70.5 9 4 8 6
69.0 14 5 10 4
67.5 10 5 10 3
66.0 14 2 9 4
64.5 11 2 11 4
63.0 14 6 9 7
61.5 16 3 6 7
60.0 19 4 16 5
58.5 13 5 11 4
57.0 14 7 6 2
55.5 7 4 14 2
54.0 18 3 15 8
52.5 7 2 7 4
51.0 5 3 10 5
49.5 6 3 1 5
48.0 4 2 6 5
46.5 4 4 2 3
45.0 4 3 7 2
43.5 2 3 7 1
42.0 6 3 6 1
40.5 3 4 1 2
39.0 1 2
37.5 4 2 2 2
36.0 4 2 5 2
34.5 1 2 2 1
33.0 2 1
31.5 2 1
30.0 3 1
28.5 1 2
27.0 1 2
25.5 3
24.0 1 2
22.5 1 1 1
21.0 1
19.5 1
American Mathematics Competitions
2009 AMC 10 A Results for Rhode Island
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2009 AMC 10 A Results for Rhode Island
Analysis
Table of Item Difficulty for the 2009
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.68 1.01 1.35 5.41 90.88* 0.68 0.00
2 91.22* 1.35 1.69 0.68 2.36 2.70 0.00
3 2.70 11.49 72.64* 5.74 2.03 5.41 0.00
4 27.70* 8.45 8.11 9.46 16.22 30.07 0.00
5 12.16 6.42 6.08 3.04 45.27* 27.03 0.00
6 59.12* 1.35 12.16 2.70 1.69 22.97 0.00
7 5.74 5.74 29.39* 3.04 32.77 23.31 0.00
8 8.11 77.03* 5.41 1.35 1.01 7.09 0.00
9 8.45 16.55* 10.81 3.72 1.01 59.46 0.00
10 4.05 18.24* 6.08 11.15 2.70 57.77 0.00
11 2.03 3.72 4.05 53.72* 2.70 33.78 0.00
12 4.05 4.39 28.72* 6.42 5.41 51.01 0.00
13 23.65 5.74 7.09 9.80 15.54* 37.84 0.34
14 34.12* 1.35 5.07 5.07 12.84 41.55 0.00
15 3.38 4.73 4.73 6.08 44.59* 36.49 0.00
16 23.99 2.70 2.70 10.14* 3.72 56.76 0.00
17 2.70 9.12 8.45* 2.70 4.73 72.30 0.00
18 21.28 7.77 7.09 15.20* 5.74 42.91 0.00
19 2.36 11.15* 5.41 10.81 5.74 64.53 0.00
20 10.47 9.12 9.80 29.39* 1.69 39.53 0.00
21 2.03 2.03 15.88* 2.70 2.36 75.00 0.00
22 6.08 4.05 32.43 6.08* 3.72 47.64 0.00
23 4.05 2.03 3.72 2.70 8.45* 79.05 0.00
24 8.11 12.50 5.41* 5.41 8.78 59.80 0.00
25 5.74 5.07* 5.07 2.36 3.38 78.38 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
2009 AMC 12 A Results for Rhode Island
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2009 AMC 12 A Results for Rhode Island
Analysis
Table of Item Difficulty for the 2009
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 90.03* 5.14 1.21 0.60 0.91 2.11 0.00
2 0.00 4.83 90.03* 3.02 1.21 0.91 0.00
3 6.65 83.69* 1.51 3.32 2.42 2.42 0.00
4 96.37* 0.60 0.00 0.60 0.60 1.81 0.00
5 1.51 2.42 1.51 83.69* 0.30 10.57 0.00
6 20.85 4.53 4.23 13.29 34.14* 22.96 0.00
7 3.02 25.98* 4.53 2.11 3.02 61.33 0.00
8 58.31* 1.81 5.44 5.44 10.57 18.43 0.00
9 2.72 5.74 2.72 33.23* 6.04 49.55 0.00
10 3.32 6.34 35.35* 7.25 6.65 41.09 0.00
11 2.72 3.63 5.74 6.34 64.35* 16.92 0.30
12 11.78 23.56* 8.76 6.04 3.63 46.22 0.00
13 10.27 7.55 12.08 15.71* 7.25 47.13 0.00
14 3.63 5.14* 6.95 11.78 8.16 64.35 0.00
15 6.04 5.14 7.85 21.75* 6.34 52.87 0.00
16 16.92 10.88 6.34 7.55* 1.51 56.80 0.00
17 3.93 3.02 5.74* 5.14 9.37 72.81 0.00
18 10.57 6.34* 5.74 3.32 3.63 70.39 0.00
19 7.55 6.95 4.53* 5.74 9.67 65.56 0.00
20 2.72 0.91 9.06 5.44 4.53* 77.34 0.00
21 4.53 3.93 2.42* 3.63 4.83 80.66 0.00
22 4.23 3.63 3.02 3.32 2.42* 83.38 0.00
23 1.81 1.81 1.81 1.81* 0.60 92.15 0.00
24 5.44 4.53 3.02 2.72 2.72* 81.57 0.00
25 1.81* 6.34 3.02 5.74 3.32 79.76 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
2009 AMC 10 B Results for Rhode Island
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2009 AMC 10 B Results for Rhode Island
Analysis
Table of Item Difficulty for the 2009
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.00 72.59* 5.93 14.81 2.96 3.70 0.00
2 2.22 2.22 86.67* 1.48 0.74 6.67 0.00
3 0.00 3.70 72.59* 14.07 0.74 8.89 0.00
4 3.70 5.93 71.11* 10.37 2.22 6.67 0.00
5 9.63 2.22 21.48 48.89* 1.48 16.30 0.00
6 2.22 0.74 7.41 54.07* 2.22 33.33 0.00
7 2.22 11.11 65.19* 12.59 6.67 2.22 0.00
8 3.70 20.74* 7.41 34.07 2.22 31.85 0.00
9 33.33* 2.96 2.96 14.81 4.44 41.48 0.00
10 5.93 0.00 2.22 5.19 28.15* 58.52 0.00
11 48.89* 3.70 5.19 4.44 1.48 36.30 0.00
12 23.70* 14.07 5.93 16.30 5.93 34.07 0.00
13 0.74 8.89 34.07* 8.89 9.63 37.78 0.00
14 6.67 26.67 13.33 12.59* 8.89 31.85 0.00
15 9.63 6.67 2.96 6.67 42.22* 31.85 0.00
16 2.96 14.81* 4.44 0.74 1.48 75.56 0.00
17 10.37 12.59 5.93* 0.00 1.48 69.63 0.00
18 3.70 0.74 4.44 4.44* 2.96 83.70 0.00
19 20.74* 15.56 10.37 10.37 1.48 41.48 0.00
20 5.19 6.67* 5.19 1.48 1.48 80.00 0.00
21 3.70 11.85 2.22 4.44* 3.70 74.07 0.00
22 0.74 2.96* 2.22 3.70 0.74 89.63 0.00
23 3.70 3.70 6.67* 5.93 3.70 76.30 0.00
24 11.11* 1.48 3.70 0.74 1.48 81.48 0.00
25 18.52 11.85* 8.89 5.93 5.19 49.63 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
2009 AMC 12 B Results for Rhode Island
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2009 AMC 12 B Results for Rhode Island
Analysis
Table of Item Difficulty for the 2009
American Mathematics Competitions 10/12
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.00 85.33* 5.33 7.33 1.33 0.67 0.00
2 0.67 4.67 72.67* 16.00 1.33 4.67 0.00
3 4.00 2.00 20.00 62.67* 2.00 9.33 0.00
4 1.33 2.67 78.00* 10.67 2.67 4.67 0.00
5 0.67 0.00 6.67 76.00* 1.33 15.33 0.00
6 10.00 15.33 55.33* 10.00 4.00 5.33 0.00
7 6.00 42.67* 12.67 23.33 4.00 11.33 0.00
8 3.33 4.67 2.67 3.33 66.67* 19.33 0.00
9 47.33* 4.00 1.33 6.67 1.33 39.33 0.00
10 38.67* 20.00 10.00 3.33 5.33 22.67 0.00
11 3.33 32.67 21.33 14.00* 8.00 20.67 0.00
12 2.67 4.00 6.67 3.33 16.00* 67.33 0.00
13 2.67 3.33 3.33 14.67* 4.00 71.33 0.67
14 10.67 8.67 28.00* 4.00 0.67 48.00 0.00
15 2.00 46.00* 4.67 6.67 5.33 35.33 0.00
16 3.33 4.67* 2.67 0.67 1.33 87.33 0.00
17 25.33 20.67* 7.33 2.67 1.33 42.67 0.00
18 8.00 10.00 10.67* 4.00 4.67 62.67 0.00
19 0.00 2.67 1.33 0.67 2.67* 92.67 0.00
20 2.67 4.67 0.00* 1.33 5.33 86.00 0.00
21 2.00* 4.67 3.33 17.33 24.00 48.67 0.00
22 2.00 2.00 0.00* 0.67 0.67 94.67 0.00
23 1.33 2.00 3.33 1.33* 1.33 90.67 0.00
24 8.00 3.33* 1.33 4.00 2.00 81.33 0.00
25 11.33 4.67 1.33 3.33 1.33* 78.00 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
