American Mathematics Competitions
2009 AMC 10 A Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 19
Number of unofficial participants: 0
Average score of participants: 88.4
Average score for female students is: 74.3 ( 9 Students)
Average score for male students is: 98.6 ( 7 Students)
Average score for unspecified gender is 107.0 ( 3 Students)
Average score for grade 10 is: 98.6 ( 8 Students)
Average score for grade 9 is: 81.0 ( 11 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 3
Number of schools returning results 1
Average school winning score 139.50
American Mathematics Competitions
2009 AMC 12 A Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 14
Number of unofficial participants: 0
Average score of participants: 71.9
Average score for female students is: 72.0 ( 6 Students)
Average score for male students is: 76.8 ( 5 Students)
Average score for unspecified gender is 63.5 ( 3 Students)
Average score for grade 12 is: 82.0 ( 6 Students)
Average score for grade 11 is: 64.7 ( 7 Students)
Average score with unknown grade: 61.5 ( 1 Student)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 1
Number of schools returning results 1
Average school winning score 100.50
Average school team score 274.50
American Mathematics Competitions
2009 AMC 10 B Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 108
Number of unofficial participants: 0
Average score of participants: 56.1
Average score for female students is: 52.6 ( 71 Students)
Average score for male students is: 64.4 ( 35 Students)
Average score for unspecified gender is 34.5 ( 2 Students)
Average score for grade 10 is: 57.4 ( 42 Students)
Average score for grade 9 is: 52.1 ( 49 Students)
Average score for grade 8 and below is: 64.7 ( 16 Students)
Average score with unknown grade: 58.5 ( 1 Student)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 2
Number of schools returning results 2
Average school winning score 100.50
American Mathematics Competitions
2009 AMC 12 B Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 76
Number of unofficial participants: 0
Average score of participants: 55.6
Average score for female students is: 54.8 ( 55 Students)
Average score for male students is: 61.0 ( 14 Students)
Average score for unspecified gender is 50.4 ( 7 Students)
Average score for grade 12 is: 56.7 ( 42 Students)
Average score for grade 11 is: 54.1 ( 34 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 1
Number of schools returning results 2
Average school winning score 93.75
Average school team score 252.00
2009 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
274.5 1 1
259.5 1 2
244.5 1 3
2009 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
139.5 1
138.0 1
124.5 1
121.5 1
120.0 1
117.0 1
103.5 1 1
100.5 1
94.5 1
93.0 1
88.5 1 2
85.5 1 1 1
84.0 1 1 1
81.0 2 1 1 2
79.5 1 3 4
78.0 1 4 2
76.5 1 1 1
75.0 1 1 1 2
73.5 2
72.0 1 3 1
70.5 1 1
69.0 4 3
67.5 2 5
66.0 1 2
64.5 2 3 3
63.0 1 3
61.5 1 1 1 4
60.0 1 4 1 5
58.5 2 3
57.0 1 2
55.5 2 1
54.0 5 5
52.5 5 4
51.0 4 4
49.5 2 2
48.0 1 4 4
46.5 1 2 4
45.0 2 3
43.5 3 6
42.0 3 3
40.5 1 1
39.0 2 3
37.5 3
36.0 1 2
34.5 2 3
33.0 1 4
31.5 2
30.0 2
28.5 1 2
24.0 3
16.5 1
American Mathematics Competitions
2009 AMC 10 A Results for Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
139.5 1 1
138.0 1 1
124.5 1
117.0 1
103.5 1 1
94.5 1 1
93.0 1 1
85.5 1 1
84.0 1 1
81.0 1 1
79.5 1 1 3
76.5 1 1
75.0 1 1
72.0 1 1
61.5 1 1
60.0 1 1
36.0 1 1
American Mathematics Competitions
2009 AMC 10 A Results for Guam
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 0.00 0.00 10.53 89.47* 0.00 0.00
2 78.95* 5.26 0.00 10.53 5.26 0.00 0.00
3 0.00 0.00 100.00* 0.00 0.00 0.00 0.00
4 52.63* 5.26 10.53 5.26 5.26 21.05 0.00
5 5.26 5.26 10.53 10.53 63.16* 5.26 0.00
6 100.00* 0.00 0.00 0.00 0.00 0.00 0.00
7 0.00 5.26 63.16* 5.26 15.79 10.53 0.00
8 0.00 89.47* 5.26 0.00 0.00 5.26 0.00
9 0.00 52.63* 5.26 10.53 0.00 31.58 0.00
10 0.00 68.42* 0.00 15.79 0.00 15.79 0.00
11 5.26 0.00 5.26 78.95* 0.00 10.53 0.00
12 5.26 5.26 52.63* 0.00 10.53 26.32 0.00
13 31.58 0.00 0.00 10.53 36.84* 21.05 0.00
14 68.42* 5.26 5.26 0.00 5.26 15.79 0.00
15 5.26 0.00 5.26 0.00 63.16* 26.32 0.00
16 26.32 10.53 0.00 31.58* 0.00 31.58 0.00
17 5.26 10.53 15.79* 5.26 5.26 57.89 0.00
18 15.79 21.05 0.00 26.32* 0.00 36.84 0.00
19 0.00 26.32* 36.84 0.00 0.00 36.84 0.00
20 15.79 5.26 15.79 36.84* 0.00 26.32 0.00
21 5.26 10.53 21.05* 10.53 10.53 42.11 0.00
22 0.00 10.53 21.05 31.58* 5.26 31.58 0.00
23 0.00 5.26 10.53 10.53 21.05* 52.63 0.00
24 5.26 5.26 31.58* 21.05 0.00 36.84 0.00
25 5.26 26.32* 5.26 0.00 15.79 47.37 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 Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
100.5 1 1
88.5 1 1
85.5 1 1
81.0 1 1 1
78.0 1 1
75.0 1 1
72.0 1 1
64.5 1 1 2
61.5 1
60.0 1 1
48.0 1
46.5 1 1
American Mathematics Competitions
2009 AMC 12 A Results for Guam
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 85.71* 14.29 0.00 0.00 0.00 0.00 0.00
2 0.00 0.00 92.86* 7.14 0.00 0.00 0.00
3 0.00 92.86* 0.00 0.00 7.14 0.00 0.00
4 100.00* 0.00 0.00 0.00 0.00 0.00 0.00
5 0.00 0.00 0.00 85.71* 0.00 14.29 0.00
6 50.00 0.00 0.00 7.14 35.71* 7.14 0.00
7 0.00 50.00* 0.00 0.00 0.00 50.00 0.00
8 50.00* 0.00 0.00 21.43 0.00 28.57 0.00
9 0.00 7.14 0.00 35.71* 0.00 57.14 0.00
10 0.00 0.00 35.71* 14.29 14.29 35.71 0.00
11 0.00 7.14 7.14 0.00 78.57* 7.14 0.00
12 7.14 35.71* 7.14 0.00 0.00 50.00 0.00
13 7.14 0.00 21.43 14.29* 14.29 42.86 0.00
14 14.29 7.14* 0.00 0.00 0.00 78.57 0.00
15 0.00 7.14 0.00 35.71* 14.29 42.86 0.00
16 14.29 7.14 14.29 14.29* 0.00 50.00 0.00
17 0.00 0.00 14.29* 0.00 7.14 78.57 0.00
18 7.14 14.29* 0.00 0.00 14.29 64.29 0.00
19 0.00 0.00 7.14* 7.14 7.14 78.57 0.00
20 0.00 0.00 0.00 0.00 7.14* 92.86 0.00
21 7.14 0.00 0.00* 0.00 14.29 78.57 0.00
22 0.00 0.00 0.00 0.00 0.00* 100.00 0.00
23 7.14 0.00 0.00 0.00* 0.00 92.86 0.00
24 0.00 0.00 0.00 7.14 0.00* 92.86 0.00
25 0.00* 7.14 7.14 0.00 7.14 78.57 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 Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
121.5 1 1
120.0 1 1
88.5 1 1 1 1
85.5 1 1
84.0 1 1
81.0 2 2
79.5 1 3 1 3
78.0 2 1 1
76.5 1 1
75.0 2 2
73.5 2 1 1
70.5 1 1
69.0 3 1 2
67.5 1 4 1 1 3
66.0 1 1 1 1
64.5 1 2 1 2
63.0 3 1 2
61.5 4 1 2 1
60.0 3 2 4 1
58.5 1 2 2 1
57.0 1 1 1 1
55.5 1 1
54.0 2 3 1 1 3
52.5 4 1 2 1
51.0 2 2 2 2
49.5 2 2
48.0 1 3 2 2
46.5 4 3 1
45.0 2 1 1 2
43.5 1 5 4 2
42.0 1 2 1 2
40.5 1 1
39.0 2 1 2
37.5 3 3
36.0 2 1 1
34.5 3 2 1
33.0 2 2 1 1 2
31.5 2 1 1
30.0 1 1 1
28.5 2 2
American Mathematics Competitions
2009 AMC 10 B Results for Guam
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 0.93 64.81* 5.56 24.07 1.85 2.78 0.00
2 7.41 0.00 91.67* 0.00 0.00 0.93 0.00
3 1.85 6.48 59.26* 22.22 1.85 8.33 0.00
4 1.85 12.96 57.41* 13.89 1.85 12.04 0.00
5 19.44 5.56 19.44 36.11* 6.48 12.96 0.00
6 0.00 0.93 5.56 63.89* 9.26 20.37 0.00
7 18.52 19.44 40.74* 12.96 5.56 2.78 0.00
8 4.63 18.52* 10.19 43.52 2.78 20.37 0.00
9 23.15* 4.63 5.56 6.48 4.63 55.56 0.00
10 16.67 7.41 1.85 4.63 17.59* 51.85 0.00
11 52.78* 9.26 7.41 4.63 2.78 23.15 0.00
12 16.67* 14.81 10.19 17.59 7.41 33.33 0.00
13 1.85 12.04 26.85* 12.04 11.11 36.11 0.00
14 5.56 26.85 17.59 12.04* 10.19 27.78 0.00
15 21.30 10.19 3.70 6.48 25.93* 32.41 0.00
16 4.63 8.33* 3.70 2.78 5.56 75.00 0.00
17 33.33 16.67 13.89* 0.00 0.00 36.11 0.00
18 4.63 10.19 14.81 7.41* 3.70 59.26 0.00
19 13.89* 19.44 14.81 9.26 3.70 38.89 0.00
20 6.48 12.96* 9.26 3.70 5.56 62.04 0.00
21 8.33 13.89 4.63 12.96* 5.56 54.63 0.00
22 3.70 0.93* 7.41 4.63 1.85 81.48 0.00
23 1.85 11.11 12.04* 9.26 4.63 61.11 0.00
24 9.26* 10.19 3.70 1.85 7.41 67.59 0.00
25 15.74 3.70* 18.52 6.48 3.70 51.85 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 Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
103.5 1 1
84.0 1 1
81.0 1 1
79.5 1 1
78.0 1 3 1 3
76.5 1 1
75.0 1 1
72.0 3 1 2
70.5 1 1
69.0 1 2 2 2
67.5 2 1 1
66.0 1 1
64.5 2 1 1 2
63.0 1 1
61.5 1
60.0 2 1 2 2
58.5 2 2
57.0 1 1
55.5 2 2
54.0 1 4 3 2
52.5 2 2 3 2
51.0 1 3 2 2
49.5 1 1 2
48.0 1 3 2 2
46.5 1 1 2
45.0 1 2
43.5 3 2 1
42.0 3 2 1
40.5 1
39.0 2 1 1
34.5 2 1 1
33.0 1 1
28.5 1 1
24.0 2 3
16.5 1 1
American Mathematics Competitions
2009 AMC 12 B Results for Guam
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 2.63 71.05* 10.53 10.53 2.63 2.63 0.00
2 0.00 3.95 64.47* 25.00 2.63 3.95 0.00
3 11.84 2.63 22.37 44.74* 7.89 10.53 0.00
4 2.63 1.32 65.79* 11.84 2.63 15.79 0.00
5 1.32 2.63 3.95 76.32* 6.58 9.21 0.00
6 19.74 9.21 48.68* 7.89 6.58 7.89 0.00
7 0.00 34.21* 6.58 34.21 5.26 19.74 0.00
8 5.26 9.21 7.89 5.26 48.68* 23.68 0.00
9 35.53* 3.95 11.84 1.32 3.95 43.42 0.00
10 25.00* 13.16 9.21 14.47 7.89 30.26 0.00
11 2.63 22.37 22.37 18.42* 3.95 30.26 0.00
12 0.00 11.84 7.89 3.95 18.42* 57.89 0.00
13 6.58 6.58 9.21 6.58* 9.21 60.53 1.32
14 38.16 14.47 10.53* 1.32 2.63 32.89 0.00
15 1.32 26.32* 13.16 6.58 2.63 50.00 0.00
16 7.89 5.26* 5.26 7.89 0.00 73.68 0.00
17 6.58 6.58* 7.89 15.79 7.89 55.26 0.00
18 2.63 10.53 11.84* 15.79 0.00 59.21 0.00
19 2.63 7.89 2.63 3.95 5.26* 77.63 0.00
20 0.00 1.32 1.32* 3.95 6.58 86.84 0.00
21 5.26* 11.84 9.21 14.47 17.11 42.11 0.00
22 2.63 5.26 1.32* 1.32 3.95 85.53 0.00
23 2.63 1.32 3.95 6.58* 3.95 81.58 0.00
24 9.21 5.26* 2.63 2.63 1.32 78.95 0.00
25 5.26 3.95 7.89 3.95 3.95* 75.00 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column