American Mathematics Competitions
2009 AMC 10 A Results for Louisiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 245
Number of unofficial participants: 0
Average score of participants: 61.9
Average score for female students is: 58.4 ( 112 Students)
Average score for male students is: 65.1 ( 104 Students)
Average score for unspecified gender is 63.4 ( 29 Students)
Average score for grade 10 is: 61.0 ( 143 Students)
Average score for grade 9 is: 58.5 ( 70 Students)
Average score for grade 8 and below is: 79.3 ( 26 Students)
Average score with unknown grade: 45.5 ( 6 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 5
Number of schools returning results 11
Average school winning score 95.59
American Mathematics Competitions
2009 AMC 12 A Results for Louisiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 378
Number of unofficial participants: 0
Average score of participants: 60.2
Average score for female students is: 57.3 ( 166 Students)
Average score for male students is: 63.2 ( 184 Students)
Average score for unspecified gender is 57.4 ( 28 Students)
Average score for grade 12 is: 62.4 ( 157 Students)
Average score for grade 11 is: 58.6 ( 193 Students)
Average score for grade 10 is: 60.0 ( 23 Students)
Average score with unknown grade: 54.0 ( 5 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 5
Number of schools returning results 13
Average school winning score 88.04
Average school team score 240.69
American Mathematics Competitions
2009 AMC 10 B Results for Louisiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 33
Number of unofficial participants: 0
Average score of participants: 51.8
Average score for female students is: 53.6 ( 12 Students)
Average score for male students is: 52.5 ( 18 Students)
Average score for unspecified gender is 40.0 ( 3 Students)
Average score for grade 10 is: 52.7 ( 31 Students)
Average score with unknown grade: 37.5 ( 2 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 0
Number of schools returning results 3
Average school winning score 86.50
American Mathematics Competitions
2009 AMC 12 B Results for Louisiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 30
Number of unofficial participants: 0
Average score of participants: 61.7
Average score for female students is: 56.7 ( 5 Students)
Average score for male students is: 66.1 ( 22 Students)
Average score for unspecified gender is 37.5 ( 3 Students)
Average score for grade 12 is: 65.5 ( 14 Students)
Average score for grade 11 is: 54.7 ( 11 Students)
Average score for grade 8 and below is: 120.0 ( 1 Student)
Average score with unknown grade: 53.3 ( 4 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 2
Number of schools returning results 4
Average school winning score 93.00
Average school team score 210.38
2009 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
385.5 1 1
288.0 1 2
273.0 1 3
271.5 1 4
264.0 1 5
258.0 1 6
252.0 1 7
240.0 1 8
235.5 1 9
232.5 1 1 10
222.0 1 12
220.5 1 13
201.0 1 14
181.5 1 15
130.5 1 16
82.5 1 17
2009 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
145.5 1
136.5 1
132.0 2
126.0 1
121.5 2
120.0 1
117.0 1
115.5 1
109.5 1
108.0 1
105.0 1
103.5 1 1
102.0 1 2 1
100.5 1
99.0 1 2 1
97.5 1
94.5 5 1 1
93.0 1 4
91.5 2 1 5
90.0 2
88.5 4 2
87.0 5 2
85.5 5 1 3
84.0 3 2
82.5 4 2
81.0 5 1 1
79.5 3 4 1
78.0 8 1 3 1
76.5 11 1
75.0 8 1 5
73.5 7 8
72.0 9 8
70.5 12 4
69.0 11 2 6
67.5 10 9 1
66.0 10 3 10 1
64.5 17 3 8
63.0 12 7 1
61.5 19 7 1
60.0 17 1 12
58.5 15 1 11
57.0 15 1 3 3
55.5 9 1 7 1
54.0 18 10
52.5 8 1 3 2
51.0 12 1 5
49.5 17 5 2
48.0 11 2 9 1
46.5 15 10
45.0 6 6 1
43.5 9 2 1
42.0 7 4 1
40.5 6 1 4
39.0 1 3 1
37.5 3 3 5 2
36.0 6 8 4
34.5 4 2 5 1
33.0 3 1 1
31.5 4 4
30.0 3 4 1
28.5 3 2
27.0 1
25.5 3
24.0 1 1 1 1
22.5 1 2 1
21.0 1
16.5 1
13.5 1
American Mathematics Competitions
2009 AMC 10 A Results for Louisiana
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
132.0 1 1
126.0 1 1
121.5 1 1 1 1
117.0 1 1
115.5 1 1
109.5 1
108.0 1 1
105.0 1 1
103.5 1 1
102.0 2 1 1
99.0 2 2
97.5 1 1
94.5 1 1
93.0 3 1 1 3
91.5 4 1 4
88.5 1 1 2
87.0 1 2
85.5 2 1 3
84.0 2 1 1
82.5 1 2
81.0 1 1
79.5 2 2 2 2
78.0 1 2 3
76.5 1 1
75.0 3 2 3 2
73.5 3 5 1 1 6
72.0 5 2 4 1 3
70.5 3 1 2 2
69.0 3 3 1 5
67.5 1 7 2 2 5
66.0 2 5 1 1 7 1
64.5 4 4 2 6
63.0 1 5 2 1 4
61.5 1 5 1 6
60.0 4 5 1 5 6
58.5 4 5 3 7 1
57.0 3 1 2
55.5 3 4 1 2 4
54.0 4 5 3 7
52.5 3 1 2
51.0 1 4 2 3
49.5 3 2 1 4
48.0 3 6 1 3 5
46.5 3 5 5 5
45.0 3 1 3 2 1
43.5 2 2
42.0 1 3 2 2
40.5 4 2 2
39.0 1 1 1 2
37.5 3 1 3 1 1
36.0 4 3 2 6
34.5 1 3 1 3 1
33.0 1 1
31.5 2 1 2 1 1
30.0 1 2 2 2
28.5 1 1 2
27.0 1 1
24.0 1 1
22.5 1 1 2
American Mathematics Competitions
2009 AMC 10 A Results for Louisiana
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 4.90 0.41 0.00 10.20 82.86* 1.63 0.00
2 88.98* 0.41 5.31 2.45 1.22 1.63 0.00
3 2.04 14.69 58.37* 11.84 2.45 10.61 0.00
4 29.80* 6.53 7.35 7.35 16.73 32.24 0.00
5 6.94 5.71 2.86 10.20 50.20* 24.08 0.00
6 58.78* 2.86 6.53 5.31 3.27 23.27 0.00
7 4.49 5.31 20.41* 5.31 33.47 31.02 0.00
8 16.73 64.90* 3.27 2.04 2.04 11.02 0.00
9 6.94 21.22* 11.02 6.12 1.22 53.47 0.00
10 3.27 17.14* 8.57 15.10 2.45 53.47 0.00
11 1.22 2.86 6.94 58.78* 4.90 25.31 0.00
12 4.49 10.61 21.63* 9.39 6.94 46.94 0.00
13 21.22 3.27 5.71 14.29 15.10* 40.41 0.00
14 35.10* 1.22 7.76 8.16 12.65 35.10 0.00
15 2.86 3.67 5.31 10.20 44.90* 33.06 0.00
16 22.86 5.31 5.31 12.65* 4.90 48.98 0.00
17 4.49 4.90 9.80* 2.45 5.31 73.06 0.00
18 19.18 13.47 8.57 14.29* 8.57 35.92 0.00
19 4.49 12.65* 9.80 10.61 2.04 60.41 0.00
20 11.02 7.35 12.65 27.76* 2.04 38.78 0.41
21 3.67 2.04 12.65* 3.67 0.82 77.14 0.00
22 7.35 10.20 22.45 4.08* 6.12 49.80 0.00
23 2.45 3.27 8.98 5.31 5.71* 74.29 0.00
24 5.31 15.51 5.31* 4.49 6.12 63.27 0.00
25 8.16 4.08* 7.76 3.67 4.90 71.43 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 Louisiana
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
145.5 1 1
136.5 1 1
103.5 1 1
102.0 1 1
99.0 1 1
94.5 5 2 3
93.0 1 1
91.5 2 1 1
90.0 2 1 1
88.5 4 3 1
87.0 3 1 1 3 1
85.5 3 2 1 4
84.0 3 1 2
82.5 1 3 2 2
81.0 1 3 2 3
79.5 2 1 2 1
78.0 3 5 6 2
76.5 6 5 2 6 3
75.0 3 5 5 3
73.5 4 3 2 5
72.0 6 3 1 6 2
70.5 5 6 2 7 3
69.0 7 1 1 3 7
67.5 4 5 3 7
66.0 5 5 3 7
64.5 6 11 1 8 8
63.0 6 5 7 4 1
61.5 9 6 1 7 11
60.0 7 10 3 7 7
58.5 6 8 1 5 9
57.0 5 10 9 6
55.5 4 4 1 4 3 1
54.0 12 6 10 8
52.5 3 4 5 2 1
51.0 5 3 1 9 2
49.5 10 4 1 10 4 2
48.0 6 4 8 3
46.5 7 6 3 4 8
45.0 4 2 3 3
43.5 5 4 7 2
42.0 2 2 1 6
40.5 1 5 4 2
39.0 1 1
37.5 2 1 3
36.0 4 2 2 2 2
34.5 1 3 1 2 1
33.0 3 2 1
31.5 4 3 1
30.0 2 1 2 1
28.5 2 1 2 1
25.5 3 3
24.0 1 1
22.5 1 1
21.0 1 1
16.5 1 1
13.5 1 1
American Mathematics Competitions
2009 AMC 12 A Results for Louisiana
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 81.75* 10.32 1.06 1.59 1.85 3.44 0.00
2 1.32 6.61 79.10* 5.56 3.70 3.70 0.00
3 8.99 63.23* 9.79 8.20 3.70 6.08 0.00
4 90.74* 1.59 2.65 0.53 2.38 2.12 0.00
5 2.65 3.17 4.50 69.58* 2.91 17.20 0.00
6 23.02 6.08 1.85 15.61 27.51* 25.93 0.00
7 3.44 16.67* 6.35 2.65 3.17 67.72 0.00
8 47.62* 1.59 8.47 5.82 10.05 26.19 0.26
9 3.17 6.88 4.76 24.07* 4.23 56.88 0.00
10 3.97 8.99 28.57* 7.67 5.03 45.77 0.00
11 3.17 3.44 3.97 7.14 59.26* 23.02 0.00
12 12.17 20.63* 3.97 8.47 5.29 49.47 0.00
13 12.70 12.70 9.79 11.64* 6.88 46.30 0.00
14 1.06 5.29* 11.11 10.85 5.03 66.67 0.00
15 8.47 5.03 7.94 17.46* 4.76 56.35 0.00
16 13.49 7.14 7.14 4.50* 2.38 65.34 0.00
17 3.44 3.17 6.61* 5.03 9.79 71.96 0.00
18 7.14 4.76* 7.94 2.38 2.65 75.13 0.00
19 5.29 11.11 7.94* 7.41 5.82 62.43 0.00
20 2.38 2.12 7.14 5.03 8.73* 74.60 0.00
21 7.67 3.17 4.23* 2.65 4.50 77.78 0.00
22 1.32 2.91 5.03 3.44 3.44* 83.86 0.00
23 2.38 1.06 3.17 2.38* 1.06 89.95 0.00
24 7.41 5.29 2.91 2.38 1.32* 80.69 0.00
25 2.12* 5.56 5.03 4.23 6.35 76.72 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 Louisiana
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
102.0 1 1
99.0 1 1
81.0 1 1
79.5 1 1
78.0 1 1
67.5 1 1
66.0 1 1
63.0 1 1
61.5 1 1
57.0 2 1 3
55.5 1 1
52.5 1 1 2
49.5 2 2
48.0 1 1
45.0 1
43.5 1 1
42.0 1 1
39.0 1 1
37.5 2
36.0 2 2 4
34.5 1 1
33.0 1 1
30.0 1 1
24.0 1 1
22.5 1 1
American Mathematics Competitions
2009 AMC 10 B Results for Louisiana
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 60.61* 12.12 12.12 6.06 9.09 0.00
2 3.03 0.00 54.55* 3.03 6.06 33.33 0.00
3 3.03 6.06 69.70* 9.09 3.03 9.09 0.00
4 3.03 9.09 45.45* 12.12 6.06 24.24 0.00
5 12.12 3.03 18.18 33.33* 9.09 24.24 0.00
6 0.00 3.03 12.12 42.42* 15.15 27.27 0.00
7 12.12 12.12 39.39* 21.21 6.06 9.09 0.00
8 3.03 18.18* 12.12 45.45 0.00 21.21 0.00
9 15.15* 3.03 3.03 15.15 6.06 57.58 0.00
10 27.27 0.00 3.03 6.06 21.21* 42.42 0.00
11 36.36* 9.09 9.09 0.00 12.12 33.33 0.00
12 24.24* 9.09 3.03 21.21 6.06 36.36 0.00
13 0.00 9.09 30.30* 6.06 6.06 48.48 0.00
14 15.15 18.18 18.18 18.18* 6.06 24.24 0.00
15 21.21 9.09 6.06 12.12 18.18* 33.33 0.00
16 6.06 15.15* 6.06 0.00 9.09 63.64 0.00
17 42.42 6.06 15.15* 0.00 0.00 36.36 0.00
18 6.06 12.12 6.06 9.09* 6.06 60.61 0.00
19 9.09* 18.18 15.15 9.09 9.09 39.39 0.00
20 9.09 9.09* 6.06 9.09 3.03 63.64 0.00
21 15.15 18.18 6.06 3.03* 6.06 51.52 0.00
22 3.03 0.00* 12.12 9.09 6.06 69.70 0.00
23 6.06 9.09 12.12* 18.18 6.06 48.48 0.00
24 9.09* 3.03 15.15 3.03 6.06 63.64 0.00
25 6.06 9.09* 6.06 9.09 21.21 48.48 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
2009 AMC 12 B Results for Louisiana
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
120.0 1 1
100.5 1 1
94.5 1 1
91.5 1 1
85.5 1 1
78.0 1 1
75.0 1 1
69.0 2 2
66.0 2 1 1 2
64.5 3 1 2
60.0 1 1
58.5 1 1
57.0 1 1
55.5 1 1
52.5 1 1
51.0 1 1
48.0 1 1 2
40.5 1 1
37.5 3
34.5 2 2
24.0 1 1
American Mathematics Competitions
2009 AMC 12 B Results for Louisiana
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 66.67* 6.67 13.33 3.33 10.00 0.00
2 3.33 3.33 66.67* 13.33 3.33 10.00 0.00
3 10.00 3.33 6.67 63.33* 0.00 13.33 3.33
4 0.00 3.33 70.00* 10.00 0.00 16.67 0.00
5 3.33 0.00 6.67 73.33* 0.00 16.67 0.00
6 13.33 6.67 50.00* 10.00 6.67 13.33 0.00
7 10.00 43.33* 3.33 26.67 3.33 13.33 0.00
8 13.33 0.00 3.33 6.67 56.67* 20.00 0.00
9 43.33* 0.00 6.67 3.33 6.67 40.00 0.00
10 26.67* 30.00 3.33 10.00 13.33 16.67 0.00
11 0.00 30.00 30.00 20.00* 3.33 16.67 0.00
12 6.67 0.00 13.33 10.00 20.00* 50.00 0.00
13 6.67 10.00 10.00 10.00* 6.67 56.67 0.00
14 13.33 20.00 30.00* 6.67 0.00 30.00 0.00
15 0.00 36.67* 3.33 16.67 3.33 40.00 0.00
16 10.00 3.33* 3.33 0.00 0.00 83.33 0.00
17 20.00 16.67* 10.00 13.33 10.00 30.00 0.00
18 6.67 10.00 10.00* 10.00 0.00 63.33 0.00
19 0.00 0.00 6.67 6.67 10.00* 76.67 0.00
20 3.33 3.33 6.67* 3.33 0.00 83.33 0.00
21 6.67* 6.67 13.33 20.00 6.67 46.67 0.00
22 0.00 6.67 10.00* 3.33 3.33 76.67 0.00
23 3.33 0.00 3.33 10.00* 0.00 83.33 0.00
24 6.67 10.00* 6.67 10.00 3.33 63.33 0.00
25 6.67 0.00 3.33 6.67 6.67* 76.67 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column