American Mathematics Competitions
2009 AMC 10 A Results for Hawaii
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 479
Number of unofficial participants: 0
Average score of participants: 66.1
Average score for female students is: 61.2 ( 219 Students)
Average score for male students is: 69.9 ( 203 Students)
Average score for unspecified gender is 71.6 ( 57 Students)
Average score for grade 10 is: 65.6 ( 266 Students)
Average score for grade 9 is: 65.2 ( 177 Students)
Average score for grade 8 and below is: 83.6 ( 17 Students)
Average score with unknown grade: 67.3 ( 19 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 9
Number of schools returning results 15
Average school winning score 103.60
American Mathematics Competitions
2009 AMC 12 A Results for Hawaii
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 631
Number of unofficial participants: 0
Average score of participants: 62.7
Average score for female students is: 58.0 ( 236 Students)
Average score for male students is: 64.3 ( 301 Students)
Average score for unspecified gender is 69.0 ( 94 Students)
Average score for grade 12 is: 62.8 ( 361 Students)
Average score for grade 11 is: 60.5 ( 221 Students)
Average score for grade 10 is: 72.4 ( 4 Students)
Average score with unknown grade: 71.4 ( 45 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 10
Number of schools returning results 16
Average school winning score 90.75
Average school team score 250.78
American Mathematics Competitions
2009 AMC 10 B Results for Hawaii
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 261
Number of unofficial participants: 0
Average score of participants: 74.2
Average score for female students is: 69.4 ( 118 Students)
Average score for male students is: 78.7 ( 121 Students)
Average score for unspecified gender is 75.5 ( 22 Students)
Average score for grade 10 is: 72.4 ( 155 Students)
Average score for grade 9 is: 75.3 ( 77 Students)
Average score for grade 8 and below is: 82.9 ( 21 Students)
Average score with unknown grade: 77.1 ( 8 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 11
Number of schools returning results 9
Average school winning score 105.50
American Mathematics Competitions
2009 AMC 12 B Results for Hawaii
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 273
Number of unofficial participants: 0
Average score of participants: 69.3
Average score for female students is: 63.9 ( 120 Students)
Average score for male students is: 73.4 ( 130 Students)
Average score for unspecified gender is 73.4 ( 23 Students)
Average score for grade 12 is: 70.6 ( 101 Students)
Average score for grade 11 is: 68.4 ( 157 Students)
Average score for grade 10 is: 71.5 ( 9 Students)
Average score for grade 9 is: 62.1 ( 5 Students)
Average score with unknown grade: 85.5 ( 1 Student)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 11
Number of schools returning results 11
Average school winning score 98.05
Average school team score 276.82
2009 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
331.5 1 1
324.0 1 2
309.0 1 3
307.5 1 4
303.0 1 5
292.5 1 6
291.0 1 7
283.5 1 8
276.0 1 9
274.5 1 10
273.0 1 11
271.5 2 12
264.0 1 14
262.5 1 15
259.5 1 16
256.5 2 1 17
247.5 1 20
235.5 1 21
222.0 1 22
217.5 1 23
210.0 1 24
201.0 1 25
190.5 1 26
169.5 1 27
2009 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
150.0 1
144.0 1
139.5 1
138.0 1
132.0 1 2
130.5 1
129.0 2
127.5 1
126.0 2
124.5 1 1
121.5 3
120.0 1 1
117.0 1
115.5 1
114.0 3 2 1
112.5 1 1 1
111.0 1
109.5 1
108.0 2 3 1 2
106.5 3 2
105.0 1 3
103.5 1 4
102.0 1 6
100.5 2 3 2
99.0 2 3 2
97.5 1 6 5 3
96.0 2 5 3 7
94.5 4 7 3 4
93.0 5 3 2 3
91.5 5 9 7 3
90.0 7 1 6
88.5 5 3 9 1
87.0 12 2 6 5
85.5 6 7 9 9
84.0 10 4 12 12
82.5 8 5 7 3
81.0 15 7 13 9
79.5 9 8 12 5
78.0 18 8 13 6
76.5 21 11 13 9
75.0 23 6 8 10
73.5 21 7 16 5
72.0 22 9 18 7
70.5 23 9 7 12
69.0 19 15 17 9
67.5 19 4 11 7
66.0 23 6 20 10
64.5 19 4 14 13
63.0 27 14 13 6
61.5 24 10 12 3
60.0 27 10 16 9
58.5 17 3 7 8
57.0 21 6 9 7
55.5 22 7 10 3
54.0 20 15 14 7
52.5 14 6 16 6
51.0 15 8 15 3
49.5 7 7 17 2
48.0 16 6 13 3
46.5 9 1 11 7
45.0 8 5 8 1
43.5 10 4 7 3
42.0 14 2 13 3
40.5 8 4 6 1
39.0 9 2 7
37.5 13 2 5
36.0 8 2 7 4
34.5 5 2 1
33.0 2 1
31.5 4
30.0 7 2 4
28.5 2 1
27.0 3 2
25.5 1 1
24.0 5 2 1
22.5 1
19.5 2 1
18.0 2 2
13.5 2
12.0 1
American Mathematics Competitions
2009 AMC 10 A Results for Hawaii
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
144.0 1 1
139.5 1 1
138.0 1 1
132.0 1 1
130.5 1 1
126.0 1 2
124.5 1 1
120.0 1 1
117.0 1 1
115.5 1
114.0 2 1 1
112.5 1 1
111.0 1 1
108.0 1 1
106.5 2 1 1 2
105.0 1 1 1 1 1
99.0 1 1 1 2
97.5 4 1 1 1 3
96.0 3 3
94.5 2 1 2
93.0 1 2
91.5 3 1 1 4 2
90.0 3 1 3 1 2
88.5 5 3 2 6 1
87.0 3 2 2 4
85.5 3 6 6 3
84.0 5 4 5 5 2
82.5 3 4 1 2 3 1
81.0 7 4 1 4 7 1
79.5 5 6 1 4 7
78.0 4 8 1 5 7
76.5 4 7 1 4 7 1
75.0 3 5 2 6
73.5 7 6 1 8 5 2
72.0 8 7 1 3 13 1
70.5 4 1 1 1 5
69.0 7 8 9 8
67.5 5 6 3 8
66.0 9 10 1 6 13
64.5 6 3 1 4 9
63.0 2 7 7 6
61.5 7 5 6 6
60.0 6 8 6 9 1
58.5 2 5 5 2
57.0 3 5 3 5 1
55.5 6 4 6 4
54.0 3 10 7 7
52.5 7 9 5 11
51.0 5 8 5 8 2
49.5 6 9 1 7 9
48.0 5 7 4 8 1
46.5 5 4 6 5
45.0 3 4 2 6
43.5 3 3 2 4 1
42.0 6 6 2 10 1
40.5 1 5 2 4
39.0 7 2 5
37.5 3 2 2 3
36.0 4 2 5 2
34.5 2 1 1
33.0 1 1
30.0 2 2 1 2 1
28.5 1 1
27.0 1 1 1 1
25.5 1 1
24.0 2 2
22.5 1 1
19.5 1 1
18.0 1 1 2
American Mathematics Competitions
2009 AMC 10 A Results for Hawaii
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 0.21 0.21 0.84 11.06 87.27* 0.42 0.00
2 93.53* 0.84 0.84 0.00 1.88 2.92 0.00
3 3.55 14.41 66.81* 5.01 3.55 6.68 0.00
4 27.77* 6.68 6.47 6.89 17.95 34.24 0.00
5 12.11 5.43 7.10 3.97 45.72* 25.68 0.00
6 62.63* 2.71 8.14 4.80 0.42 21.29 0.00
7 6.47 4.59 29.65* 3.97 35.28 20.04 0.00
8 9.39 76.20* 4.80 1.46 1.25 6.89 0.00
9 10.44 19.00* 7.31 5.01 0.42 57.83 0.00
10 5.22 22.96* 7.52 10.44 2.09 51.77 0.00
11 1.04 2.51 5.43 59.29* 2.30 29.44 0.00
12 4.18 7.10 26.72* 9.81 8.14 44.05 0.00
13 20.46 5.85 5.43 13.78 12.11* 42.38 0.00
14 45.09* 1.25 6.68 3.76 11.69 31.52 0.00
15 2.09 3.97 4.80 6.05 52.61* 30.48 0.00
16 31.11 4.18 3.76 9.19* 5.85 45.93 0.00
17 3.34 8.35 7.31* 2.30 3.97 74.74 0.00
18 21.92 13.36 4.80 16.70* 10.23 32.99 0.00
19 4.80 15.03* 7.93 7.31 3.76 61.17 0.00
20 11.48 9.60 12.53 34.66* 0.42 31.32 0.00
21 1.04 2.71 13.57* 5.22 3.34 74.11 0.00
22 6.89 5.01 31.32 8.14* 3.34 45.30 0.00
23 4.18 4.18 3.76 2.51 13.99* 71.40 0.00
24 6.47 17.54 6.47* 3.76 5.64 60.13 0.00
25 6.89 5.85* 4.59 4.18 5.43 73.07 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 Hawaii
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
112.5 1 1
108.0 1 2
105.0 1 1
103.5 1 1
100.5 1 2
99.0 1 1 1 1
97.5 1 1
96.0 2 2
94.5 3 3 1
93.0 2 2 2 3
91.5 3 2 4 1
90.0 3 1 3 3
88.5 4 1 2 3
87.0 7 3 1 4 6 1
85.5 1 2 2 2 2
84.0 7 2 7 1
82.5 4 2 3 4 1
81.0 7 3 6 8 1
79.5 7 1 2 7
78.0 12 3 8 7 3
76.5 10 5 1 5 11 4
75.0 12 4 1 17 5
73.5 7 12 6 14 1
72.0 9 9 10 10 2
70.5 12 9 1 7 13 2
69.0 9 8 8 9 2
67.5 8 7 4 14 1
66.0 12 8 7 16
64.5 9 8 6 13
63.0 11 11 9 15 3
61.5 13 7 10 13 1
60.0 14 7 7 17 3
58.5 7 7 3 12 2
57.0 11 7 10 8 3
55.5 8 12 1 6 14 1
54.0 11 8 12 8
52.5 3 11 5 9
51.0 8 7 4 11
49.5 2 4 2 5
48.0 8 6 8 7 1
46.5 5 4 4 5
45.0 5 3 5 3
43.5 3 5 4 6
42.0 6 6 4 9 1
40.5 3 5 6 2
39.0 6 3 5 4
37.5 5 8 7 6
36.0 2 5 4 4
34.5 4 1 2 3
33.0 2 1 1
31.5 1 2 1 3
30.0 1 5 4 3
28.5 2 1 1
27.0 2 1 1 2
25.5 1 1
24.0 1 3 3 2
19.5 1 1 2
18.0 2 2
13.5 2 2
12.0 1 1
American Mathematics Competitions
2009 AMC 12 A Results for Hawaii
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 81.14* 9.35 1.58 1.58 2.69 3.65 0.00
2 0.63 5.86 83.20* 4.75 1.90 3.65 0.00
3 6.34 69.26* 6.81 8.56 3.65 5.39 0.00
4 91.28* 1.74 0.95 1.58 2.54 1.90 0.00
5 1.43 3.33 3.01 76.70* 1.11 14.42 0.00
6 21.55 7.13 4.12 11.09 32.17* 23.93 0.00
7 3.01 19.02* 7.77 4.75 2.69 62.76 0.00
8 51.98* 1.11 7.29 7.45 12.36 19.81 0.00
9 2.69 5.39 5.23 30.74* 6.81 49.13 0.00
10 4.28 4.91 32.65* 11.09 8.08 38.99 0.00
11 3.17 3.80 2.54 6.97 68.30* 15.21 0.00
12 13.95 20.76* 8.40 8.24 2.69 45.96 0.00
13 8.72 8.24 12.84 12.52* 6.50 51.19 0.00
14 2.54 5.39* 6.97 10.94 5.39 68.78 0.00
15 7.77 5.39 8.40 20.29* 5.07 53.09 0.00
16 12.52 8.56 6.50 4.91* 2.06 65.45 0.00
17 3.65 4.75 7.13* 5.55 7.45 71.47 0.00
18 10.46 4.28* 6.18 3.01 3.65 72.42 0.00
19 5.39 9.51 6.97* 6.02 4.91 67.19 0.00
20 3.33 3.49 5.55 4.91 9.98* 72.74 0.00
21 6.97 4.91 4.12* 1.90 3.33 78.76 0.00
22 2.22 4.44 4.44 4.75 1.58* 82.57 0.00
23 2.54 3.01 3.49 3.49* 1.27 86.21 0.00
24 8.40 3.49 3.49 3.33 1.27* 80.03 0.00
25 2.54* 4.44 4.44 7.92 5.07 75.59 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 Hawaii
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
150.0 1 1
132.0 2 1 1
129.0 2 2
127.5 1 1
124.5 1 1
121.5 2 3
120.0 1
114.0 1 1
112.5 1 1
108.0 1 2
106.5 2 2
103.5 3 1 1 1 2
102.0 3 3 1 1 4
100.5 2 1 1
99.0 1 1 1 1
97.5 1 2 1 2
96.0 6 1 3 4
94.5 1 3 3 1
93.0 1 2 1 2
91.5 2 1 2
88.5 1 1
87.0 2 2 1 2 2
85.5 4 4 1 4 3 1
84.0 5 6 6 4 2
82.5 1 2 3
81.0 8 1 2 2 5
79.5 2 3 1 2 1 1
78.0 3 2 3 2 1
76.5 6 3 1 1 4 3
75.0 3 5 1 4 4 1
73.5 3 2 1 4
72.0 4 3 1 1 5
70.5 5 6 6 6
69.0 4 4 4 5
67.5 1 3 1 1 4 1
66.0 3 6 1 2 7
64.5 4 7 1 3 9
63.0 3 3 3 2 1
61.5 3 3
60.0 2 7 1 2 6
58.5 2 5 1 7
57.0 2 5 1 2 4
55.5 1 1 1 2
54.0 7 3 4
52.5 2 4 2 4
51.0 1 2 1 2
49.5 2 2
48.0 2 1 2
46.5 6 1 7
45.0 1 1
43.5 3 1 2
42.0 1 2 2 1
40.5 1 1
36.0 3 4
34.5 1 1
24.0 1 1
American Mathematics Competitions
2009 AMC 10 B Results for Hawaii
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 0.38 73.95* 7.28 14.56 1.92 1.92 0.00
2 0.38 1.15 95.79* 0.77 0.00 1.92 0.00
3 0.38 2.68 73.95* 16.48 0.77 5.75 0.00
4 1.15 2.30 79.69* 8.81 3.45 4.60 0.00
5 7.28 1.92 14.94 60.54* 4.60 10.73 0.00
6 0.77 1.53 4.60 73.95* 4.21 14.94 0.00
7 8.43 14.56 60.92* 8.81 4.98 2.30 0.00
8 2.30 39.46* 7.28 32.95 3.45 14.56 0.00
9 49.81* 3.07 4.21 7.66 2.68 32.57 0.00
10 7.28 0.00 1.15 2.30 62.84* 26.44 0.00
11 65.13* 6.90 4.21 2.30 1.92 19.54 0.00
12 24.90* 13.79 10.73 14.94 9.20 26.44 0.00
13 3.07 10.73 47.89* 7.28 8.43 22.22 0.38
14 6.90 24.90 19.92 15.71* 9.20 23.37 0.00
15 4.60 6.13 3.83 4.21 60.54* 20.69 0.00
16 2.30 17.62* 12.64 3.45 6.90 57.09 0.00
17 15.71 11.88 16.09* 2.68 1.92 51.72 0.00
18 2.30 6.13 5.75 15.33* 2.30 68.20 0.00
19 29.12* 21.46 9.58 5.36 2.30 31.80 0.38
20 6.13 15.71* 7.66 0.38 3.45 66.28 0.38
21 5.36 15.33 6.13 13.41* 3.45 56.32 0.00
22 1.92 4.21* 4.98 6.51 1.15 81.23 0.00
23 6.90 8.05 11.49* 6.90 4.21 62.45 0.00
24 13.03* 4.60 3.83 1.53 2.68 74.33 0.00
25 20.69 9.20* 7.66 4.98 8.05 49.43 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 B Results for Hawaii
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
114.0 2 2 1
109.5 1 1
108.0 2 1 1 2
102.0 1 1
100.5 3 2 1
97.5 3 1 1 3 2
96.0 3 2 3 2
94.5 4 2 5 2
93.0 1 2 1 2
91.5 6 3 1 8
90.0 1 1
88.5 1 1 3
87.0 2 2
85.5 4 2 3 3 1
84.0 2 1 4
82.5 5 2 3
81.0 6 1 3 4
79.5 3 2 1 4 3
78.0 4 4 7 1
76.5 7 4 1 2 6 2
75.0 2 2 3 3
73.5 5 2 4 3
72.0 6 2 1 4 4
70.5 5 4 1 7 1
69.0 6 7 10 5
67.5 2 2 3 1
66.0 2 3 4 2
64.5 1 3 2 2
63.0 7 7 11 3
61.5 4 6 1 7 2
60.0 2 6 6 4
58.5 1 2 1 2
57.0 1 5 1 4 1
55.5 2 5 1 5 1
54.0 4 10 1 10 4
52.5 2 3 3 3
51.0 2 5 3 5
49.5 3 4 4 3
48.0 1 5 1 4 1
46.5 1
45.0 1 4 2 3
43.5 3 1 3 1
42.0 1 1 1 1
40.5 2 2 1 3
39.0 1 1 1
37.5 1 1 1 1
36.0 1 1 1 1
30.0 1 1 2
American Mathematics Competitions
2009 AMC 12 B Results for Hawaii
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 0.37 77.66* 7.33 11.72 2.20 0.73 0.00
2 0.73 2.56 76.92* 15.75 0.37 3.66 0.00
3 5.13 1.83 18.32 67.40* 1.83 5.49 0.00
4 1.83 2.20 83.52* 7.69 1.83 2.93 0.00
5 0.37 1.10 3.66 83.15* 2.56 9.16 0.00
6 9.89 13.92 65.57* 5.49 2.93 2.20 0.00
7 5.49 52.01* 8.79 18.68 3.66 11.36 0.00
8 2.20 4.03 2.20 4.03 68.86* 18.68 0.00
9 46.89* 5.86 2.20 5.49 2.20 37.36 0.00
10 41.76* 16.85 7.69 8.79 1.47 23.44 0.00
11 4.03 27.47 16.85 21.25* 8.06 22.34 0.00
12 2.56 2.56 6.59 2.56 37.36* 48.35 0.00
13 3.30 5.13 5.49 22.71* 9.16 54.21 0.00
14 11.36 10.26 33.70* 2.93 0.73 41.03 0.00
15 1.10 54.21* 5.13 6.96 6.96 25.64 0.00
16 3.66 4.76* 2.56 1.47 1.47 86.08 0.00
17 19.41 17.95* 9.16 4.03 5.49 43.96 0.00
18 5.49 6.96 15.75* 4.76 4.03 63.00 0.00
19 1.10 1.83 4.76 1.47 1.10* 89.74 0.00
20 3.30 2.56 1.83* 2.20 4.03 86.08 0.00
21 2.20* 2.56 5.86 10.62 27.11 51.65 0.00
22 1.47 1.83 2.56* 5.13 0.73 88.28 0.00
23 2.93 2.56 4.03 2.20* 2.20 86.08 0.00
24 6.96 5.13* 2.20 4.40 0.73 80.59 0.00
25 8.06 4.03 4.40 3.30 2.93* 77.29 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column