American Mathematics Competitions
2009 AMC 10 A Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 243
Number of unofficial participants: 0
Average score of participants: 54.1
Average score for female students is: 50.7 ( 122 Students)
Average score for male students is: 58.8 ( 102 Students)
Average score for unspecified gender is 49.8 ( 19 Students)
Average score for grade 10 is: 54.7 ( 155 Students)
Average score for grade 9 is: 54.3 ( 53 Students)
Average score for grade 8 and below is: 49.4 ( 30 Students)
Average score with unknown grade: 59.1 ( 5 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 2
Number of schools returning results 14
Average school winning score 78.86
American Mathematics Competitions
2009 AMC 12 A Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 419
Number of unofficial participants: 0
Average score of participants: 54.8
Average score for female students is: 52.4 ( 182 Students)
Average score for male students is: 56.5 ( 181 Students)
Average score for unspecified gender is 57.1 ( 56 Students)
Average score for grade 12 is: 55.2 ( 199 Students)
Average score for grade 11 is: 54.7 ( 197 Students)
Average score for grade 10 is: 55.3 ( 6 Students)
Average score with unknown grade: 50.6 ( 17 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 4
Number of schools returning results 16
Average school winning score 78.38
Average school team score 210.28
American Mathematics Competitions
2009 AMC 10 B Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 45
Number of unofficial participants: 0
Average score of participants: 68.8
Average score for female students is: 63.7 ( 18 Students)
Average score for male students is: 72.2 ( 18 Students)
Average score for unspecified gender is 72.2 ( 9 Students)
Average score for grade 10 is: 69.6 ( 35 Students)
Average score for grade 9 is: 64.1 ( 8 Students)
Average score with unknown grade: 72.8 ( 2 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 0
Number of schools returning results 4
Average school winning score 95.25
American Mathematics Competitions
2009 AMC 12 B Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 76
Number of unofficial participants: 0
Average score of participants: 71.7
Average score for female students is: 66.4 ( 25 Students)
Average score for male students is: 73.0 ( 44 Students)
Average score for unspecified gender is 82.3 ( 7 Students)
Average score for grade 12 is: 71.0 ( 36 Students)
Average score for grade 11 is: 72.3 ( 24 Students)
Average score for grade 10 is: 67.0 ( 11 Students)
Average score for grade 9 is: 84.3 ( 5 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 5
Number of schools returning results 5
Average school winning score 93.00
Average school team score 242.40
2009 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
309.0 1 1
291.0 1 2
285.0 1 3
283.5 1 4
271.5 1 1 5
261.0 1 7
234.0 1 8
225.0 1 9
223.5 1 10
216.0 2 11
213.0 1 13
210.0 1 14
196.5 1 15
174.0 1 16
171.0 1 17
163.5 1 18
162.0 1 19
114.0 1 20
85.5 1 21
2009 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
138.0 1
123.0 1
118.5 1
117.0 1
111.0 1
109.5 1
106.5 1
105.0 1
103.5 1
102.0 1 1
100.5 1 3 1
99.0 1 1
97.5 2 1 1
96.0 1 1
94.5 2 2
93.0 1 1
91.5 1 1 1
90.0 1 1 2 1
88.5 2 3
87.0 2 2 1 1
85.5 2 1 1 1
84.0 2 1 2
82.5 1 1 1 1
81.0 2 3 2 2
79.5 1 1 4 2
78.0 8 2 2 3
76.5 7 1 2 1
75.0 5 5 2 2
73.5 9 3 2
72.0 7 3 6 3
70.5 5 6 4
69.0 17 4 6 1
67.5 12 2 1 1
66.0 16 1 4 1
64.5 11 2 11 1
63.0 18 2 2 1
61.5 15 7
60.0 14 3 10 2
58.5 11 9 3
57.0 11 3 4
55.5 14 1 10
54.0 20 2 8 1
52.5 12 10
51.0 16 1 5 2
49.5 20 2 9
48.0 17 1 9 2
46.5 17 11 2
45.0 11 6 1
43.5 9 11 1
42.0 21 1 7
40.5 7 2 13
39.0 6 1 4 1
37.5 14 2 12
36.0 14 8
34.5 4 4 1
33.0 8 4
31.5 5 1 1
30.0 8 4 1
28.5 1 4
27.0 2 2
25.5 2 3
24.0 2 3
22.5 1
21.0 1
18.0 1
16.5 1
12.0 1
American Mathematics Competitions
2009 AMC 10 A Results for Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
138.0 1 1
123.0 1 1
118.5 1 1
109.5 1 1
103.5 1 1
102.0 1
99.0 1 1
97.5 1 1
96.0 1 1
91.5 1 1
90.0 1 1 1 1
87.0 1 1
85.5 1 1
84.0 1
82.5 1 1
81.0 1 1 1 1
79.5 4 1 3
78.0 2 2
76.5 2 2
75.0 1 1 2
73.5 2 2
72.0 3 2 1 2 3
70.5 2 2 1 3
69.0 2 4 1 1 4
67.5 1 1
66.0 2 2 1 1 2
64.5 8 3 1 2 1 7
63.0 1 1 1 1
61.5 3 3 3 4
60.0 5 5 1 9
58.5 2 7 1 3 5
57.0 1 3 1 3
55.5 6 3 1 2 7
54.0 3 4 1 1 4 2
52.5 5 4 1 2 7
51.0 2 3 1 4
49.5 5 4 1 2 6
48.0 3 6 1 1 7
46.5 8 1 10
45.0 2 3 1 4 1
43.5 6 4 1 2 2 6
42.0 3 4 2 3 2
40.5 4 8 2 5 5 1
39.0 1 3 4
37.5 4 7 2 4 6
36.0 3 3 4 4
34.5 1 3 3 1
33.0 3 4
31.5 1 1
30.0 2 1 1 3
28.5 1 3 1 3
27.0 2 1 1
25.5 1 2 1 2
24.0 2 1 1 1
16.5 1 1
American Mathematics Competitions
2009 AMC 10 A Results for Arkansas
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 0.41 0.00 0.82 22.22 75.72* 0.82 0.00
2 88.48* 1.23 0.82 1.23 2.88 5.35 0.00
3 5.35 17.28 38.27* 9.05 6.58 23.46 0.00
4 12.35* 11.93 5.35 11.93 16.05 42.39 0.00
5 10.70 4.12 6.58 2.88 37.86* 37.86 0.00
6 33.33* 3.29 15.23 5.35 2.47 40.33 0.00
7 2.88 5.35 17.70* 4.12 39.92 30.04 0.00
8 16.46 60.91* 8.64 3.29 1.65 9.05 0.00
9 9.47 11.11* 6.17 7.00 2.88 63.37 0.00
10 4.12 17.28* 6.58 5.76 2.06 64.20 0.00
11 2.06 3.70 7.00 33.33* 0.41 53.50 0.00
12 5.35 12.76 30.04* 10.29 7.82 33.74 0.00
13 19.75 5.35 4.12 20.99 6.17* 43.62 0.00
14 23.46* 2.47 10.29 4.12 17.70 41.98 0.00
15 7.00 4.53 4.53 11.52 38.27* 34.16 0.00
16 35.39 4.94 5.35 6.58* 3.70 44.03 0.00
17 6.17 6.17 4.94* 2.88 6.58 73.25 0.00
18 31.28 12.76 4.94 10.29* 5.76 34.98 0.00
19 5.76 5.35* 7.82 8.64 3.70 68.31 0.41
20 16.46 11.11 13.99 24.69* 0.41 33.33 0.00
21 2.47 2.47 13.99* 3.70 0.82 76.54 0.00
22 4.94 8.64 36.21 10.29* 2.47 37.45 0.00
23 3.70 4.53 7.00 2.47 18.52* 63.79 0.00
24 10.29 17.28 4.94* 1.65 8.64 57.20 0.00
25 6.58 5.35* 7.00 2.88 3.70 74.49 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 Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
105.0 1 1
100.5 1 1
97.5 1 1 2
96.0 1 1
94.5 1 1 1
91.5 1 1
90.0 1 1
88.5 2 1 1
87.0 2 1 1
85.5 1 1 1 1
82.5 1
81.0 1 2
79.5 1 1
78.0 7 1 5 3
76.5 3 4 3 4
75.0 2 1 3 1 1
73.5 5 2 1 3 5
72.0 3 2 1 4 2
70.5 2 2 4 1
69.0 6 6 6 10 1
67.5 4 6 4 7 1
66.0 5 9 8 8
64.5 6 5 6 5
63.0 5 11 6 11 1
61.5 8 3 8 6 1
60.0 6 6 6 7 1
58.5 6 5 7 4
57.0 7 2 5 5 1
55.5 5 6 1 4 9
54.0 12 7 9 11
52.5 6 5 1 7 4
51.0 5 8 9 5 2
49.5 5 12 7 13
48.0 6 9 4 12 1
46.5 9 8 1 8 8
45.0 5 5 6 5
43.5 4 3 3 6
42.0 7 12 9 11 1
40.5 2 2 2 3 2
39.0 3 3 3 3
37.5 5 8 9 5
36.0 6 7 7 6 1
34.5 2 1 1 2 1
33.0 3 4 4 3 1
31.5 4 1 1 2 1
30.0 4 3 7 1
28.5 1 1
27.0 1 1 1 1
25.5 2 1 1
24.0 1 1 2
22.5 1 1
21.0 1 1
18.0 1 1
12.0 1 1
American Mathematics Competitions
2009 AMC 12 A Results for Arkansas
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 77.57* 10.02 3.10 1.91 1.91 5.49 0.00
2 2.63 11.46 66.83* 7.64 3.34 8.11 0.00
3 5.49 58.71* 8.35 10.74 7.64 9.07 0.00
4 91.17* 1.67 2.15 0.48 2.39 2.15 0.00
5 2.15 3.10 6.68 56.56* 2.63 28.88 0.00
6 26.01 8.11 3.34 19.33 13.13* 30.07 0.00
7 3.82 11.22* 9.79 5.49 1.67 68.02 0.00
8 38.66* 2.86 7.88 7.16 14.32 29.12 0.00
9 2.39 6.44 5.73 12.89* 9.79 62.53 0.24
10 5.73 9.55 30.31* 15.27 6.68 32.46 0.00
11 2.63 5.01 6.44 7.16 61.10* 17.66 0.00
12 14.32 18.14* 7.16 9.31 3.58 47.26 0.24
13 12.41 18.14 10.50 10.98* 4.30 43.68 0.00
14 3.82 5.73* 11.46 14.08 10.74 54.18 0.00
15 10.98 7.16 8.59 14.56* 3.82 54.89 0.00
16 11.93 11.69 10.74 3.58* 5.73 56.32 0.00
17 2.86 5.49 8.83* 5.73 12.41 64.68 0.00
18 8.59 6.68* 9.07 5.49 5.73 64.44 0.00
19 6.21 14.32 6.68* 12.65 6.21 53.94 0.00
20 6.21 5.25 8.59 5.97 14.80* 59.19 0.00
21 5.97 6.68 9.07* 5.01 5.01 68.26 0.00
22 4.30 5.73 9.55 6.68 3.10* 70.64 0.00
23 3.34 6.21 5.49 3.82* 1.67 79.47 0.00
24 13.37 9.31 5.01 5.73 0.24* 66.35 0.00
25 3.82* 7.88 9.07 9.31 7.88 62.05 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 Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
117.0 1 1
111.0 1
100.5 1 1
93.0 1 1
90.0 1 1
87.0 1 1
85.5 1 1
84.0 1 2
82.5 1 1
81.0 1 1 2
79.5 1 1
78.0 1 1 1 1 1
76.5 1 1
75.0 2 2
72.0 1 2 1 2
69.0 1 1
67.5 1
66.0 1 1
64.5 1 1
63.0 1 1
60.0 1 1 1
58.5 3 1 2
54.0 1 1
51.0 2 2
48.0 2 2
46.5 1 1 1
45.0 1 1
43.5 1
39.0 1 1
34.5 1 1
30.0 1 1
American Mathematics Competitions
2009 AMC 10 B Results for Arkansas
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 77.78* 6.67 11.11 4.44 0.00 0.00
2 2.22 2.22 93.33* 2.22 0.00 0.00 0.00
3 0.00 2.22 71.11* 24.44 0.00 2.22 0.00
4 2.22 2.22 75.56* 13.33 2.22 4.44 0.00
5 6.67 0.00 31.11 53.33* 4.44 4.44 0.00
6 0.00 2.22 0.00 86.67* 2.22 8.89 0.00
7 8.89 24.44 53.33* 2.22 6.67 4.44 0.00
8 6.67 33.33* 2.22 42.22 4.44 11.11 0.00
9 40.00* 2.22 8.89 6.67 6.67 35.56 0.00
10 11.11 2.22 4.44 4.44 35.56* 42.22 0.00
11 55.56* 6.67 4.44 0.00 2.22 31.11 0.00
12 24.44* 6.67 6.67 15.56 8.89 37.78 0.00
13 4.44 11.11 35.56* 13.33 11.11 24.44 0.00
14 4.44 26.67 11.11 31.11* 6.67 20.00 0.00
15 2.22 2.22 4.44 11.11 55.56* 24.44 0.00
16 4.44 13.33* 4.44 2.22 2.22 73.33 0.00
17 8.89 15.56 15.56* 0.00 2.22 57.78 0.00
18 6.67 2.22 0.00 11.11* 0.00 80.00 0.00
19 11.11* 28.89 6.67 11.11 0.00 42.22 0.00
20 2.22 6.67* 8.89 2.22 0.00 80.00 0.00
21 0.00 4.44 8.89 8.89* 4.44 73.33 0.00
22 0.00 2.22* 2.22 6.67 2.22 86.67 0.00
23 4.44 4.44 4.44* 11.11 2.22 73.33 0.00
24 6.67* 0.00 2.22 6.67 2.22 82.22 0.00
25 22.22 6.67* 8.89 8.89 4.44 48.89 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 Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
106.5 1
102.0 1 1
100.5 1 1 2
99.0 1 1
97.5 1 1
94.5 2 1 1
93.0 1 1
91.5 1 1
90.0 1 1
88.5 3 2 1
87.0 2 1 1
85.5 1 1
84.0 2 1 1
82.5 1 1
81.0 3 1 2
79.5 1 1
78.0 2 1 1
76.5 1 1
75.0 3 1 3 2
73.5 2 1 2
72.0 3 2 1
70.5 3 2 1 2 3
69.0 2 2 2 2
67.5 1 1 1 1
66.0 1 1
64.5 2 1 1
63.0 1 1 1 1
60.0 2 1 3
57.0 1 2 2 1
55.5 1 1
54.0 2 1 1
51.0 1 1
49.5 1 2
48.0 1 1
42.0 1 1
40.5 2 1 1
39.0 1 1
37.5 2 1 1
31.5 1 1
American Mathematics Competitions
2009 AMC 12 B Results for Arkansas
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 85.53* 3.95 7.89 2.63 0.00 0.00
2 0.00 2.63 84.21* 10.53 1.32 1.32 0.00
3 0.00 0.00 19.74 73.68* 1.32 5.26 0.00
4 0.00 0.00 82.89* 13.16 1.32 2.63 0.00
5 0.00 0.00 1.32 90.79* 1.32 6.58 0.00
6 7.89 10.53 69.74* 5.26 3.95 2.63 0.00
7 3.95 59.21* 5.26 19.74 5.26 6.58 0.00
8 2.63 6.58 2.63 6.58 73.68* 7.89 0.00
9 56.58* 10.53 3.95 7.89 1.32 19.74 0.00
10 50.00* 18.42 10.53 3.95 6.58 10.53 0.00
11 2.63 31.58 22.37 22.37* 9.21 11.84 0.00
12 6.58 2.63 14.47 5.26 28.95* 42.11 0.00
13 3.95 2.63 9.21 18.42* 2.63 63.16 0.00
14 13.16 14.47 35.53* 1.32 2.63 32.89 0.00
15 1.32 59.21* 5.26 6.58 2.63 25.00 0.00
16 0.00 5.26* 1.32 6.58 1.32 85.53 0.00
17 23.68 17.11* 15.79 5.26 6.58 31.58 0.00
18 9.21 2.63 18.42* 5.26 2.63 61.84 0.00
19 0.00 0.00 6.58 2.63 3.95* 86.84 0.00
20 3.95 5.26 1.32* 2.63 3.95 82.89 0.00
21 5.26* 5.26 6.58 13.16 21.05 48.68 0.00
22 1.32 2.63 2.63* 5.26 2.63 85.53 0.00
23 1.32 3.95 1.32 1.32* 1.32 90.79 0.00
24 10.53 6.58* 2.63 9.21 1.32 69.74 0.00
25 9.21 7.89 1.32 6.58 3.95* 71.05 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column