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Missing Title
American Mathematics Competitions
2009 AMC 10 A Results for Taiwan
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 6447
Number of unofficial participants: 0
Average score of participants: 100.7
Average score for female students is: 94.8 ( 2490 Students)
Average score for male students is: 104.3 ( 3957 Students)
Average score for grade 10 is: 99.2 ( 5375 Students)
Average score for grade 9 is: 110.5 ( 581 Students)
Average score for grade 8 and below is: 104.4 ( 491 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 1498
Number of schools returning results 168
Average school winning score 125.73
American Mathematics Competitions
2009 AMC 12 A Results for Taiwan
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 6532
Number of unofficial participants: 0
Average score of participants: 87.3
Average score for female students is: 82.2 ( 2608 Students)
Average score for male students is: 90.6 ( 3922 Students)
Average score for unspecified gender is 111.0 ( 2 Students)
Average score for grade 12 is: 89.7 ( 2658 Students)
Average score for grade 11 is: 84.6 ( 3620 Students)
Average score for grade 10 is: 97.4 ( 204 Students)
Average score for grade 9 is: 111.7 ( 40 Students)
Average score for grade 8 and below is: 88.3 ( 10 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 2118
Number of schools returning results 163
Average school winning score 110.69
Average school team score 309.16
2009 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
418.5 1 1
400.5 1 2
393.0 1 3
388.5 3 4
385.5 1 7
382.5 2 8
379.5 2 10
375.0 1 12
373.5 1 13
369.0 2 14
367.5 3 16
366.0 1 19
364.5 3 20
363.0 1 23
360.0 2 24
358.5 2 26
357.0 4 28
355.5 1 32
354.0 2 33
352.5 1 35
351.0 4 36
348.0 1 40
346.5 3 41
343.5 2 44
342.0 1 46
340.5 1 47
339.0 1 48
337.5 3 49
336.0 4 52
334.5 1 56
333.0 1 57
331.5 1 58
330.0 1 59
328.5 4 60
327.0 5 64
325.5 4 69
324.0 3 73
322.5 3 76
319.5 3 79
318.0 3 82
316.5 1 85
315.0 3 86
313.5 1 89
312.0 2 90
310.5 3 92
309.0 2 95
307.5 2 97
306.0 2 99
304.5 3 101
301.5 2 104
300.0 2 106
298.5 4 108
297.0 2 112
294.0 3 114
292.5 1 117
291.0 4 118
289.5 2 122
288.0 1 124
286.5 1 125
285.0 1 126
282.0 2 127
279.0 2 129
277.5 1 131
276.0 1 132
274.5 1 133
273.0 2 134
271.5 1 136
270.0 2 137
268.5 2 139
264.0 1 141
259.5 1 142
258.0 1 143
253.5 1 144
250.5 1 145
243.0 1 146
241.5 1 147
240.0 1 148
237.0 1 149
235.5 1 150
229.5 1 151
223.5 1 152
219.0 1 153
195.0 1 154
192.0 1 155
177.0 1 156
166.5 1 157
157.5 1 158
150.0 1 159
147.0 1 160
102.0 1 161
93.0 1 162
88.5 1 163
2009 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
150.0 17
145.5 1 8
144.0 1 79
141.0 9
139.5 4 38
138.0 5 130
136.5 2 10
135.0 5 58
133.5 3 49
132.0 12 152
130.5 8 48
129.0 13 77
127.5 8 95
126.0 33 180
124.5 15 96
123.0 20 109
121.5 42 112
120.0 54 231
118.5 50 105
117.0 56 142
115.5 60 133
114.0 97 213
112.5 91 135
111.0 93 152
109.5 106 151
108.0 156 182
106.5 124 119
105.0 154 166
103.5 182 161
102.0 210 195
100.5 177 113
99.0 165 145
97.5 171 150
96.0 243 182
94.5 217 104
93.0 190 153
91.5 160 140
90.0 276 189
88.5 208 101
87.0 167 106
85.5 196 119
84.0 209 165
82.5 170 96
81.0 154 115
79.5 154 86
78.0 232 126
76.5 122 75
75.0 119 78
73.5 107 60
72.0 189 119
70.5 118 51
69.0 114 49
67.5 108 57
66.0 136 72
64.5 76 42
63.0 78 33
61.5 68 38
60.0 97 70
58.5 48 29
57.0 43 25
55.5 54 31
54.0 73 39
52.5 28 17
51.0 24 15
49.5 25 8
48.0 43 20
46.5 19 8
45.0 16 5
43.5 15 11
42.0 33 10
40.5 12 4
39.0 9 3
37.5 13 16
36.0 18 10
34.5 4 1
33.0 3 1
31.5 4 3
30.0 3 1
28.5 2 1
27.0 2
24.0 6 1
22.5 1
19.5 2
18.0 4 1
13.5 1
12.0 2
American Mathematics Competitions
2009 AMC 10 A Results for Taiwan
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2009 AMC 10 A Results for Taiwan
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 0.08 0.06 0.28 1.35 97.87* 0.33 0.03
2 95.32* 0.74 0.64 0.92 1.44 0.95 0.00
3 0.08 0.59 98.11* 0.53 0.20 0.50 0.00
4 77.31* 2.23 1.88 3.51 5.10 9.93 0.05
5 4.48 3.47 5.35 1.57 81.46* 3.65 0.02
6 92.51* 0.50 1.05 1.88 0.70 3.37 0.00
7 2.85 2.65 52.15* 1.43 30.53 10.39 0.00
8 1.12 86.60* 6.67 0.93 1.55 3.13 0.00
9 5.10 77.90* 3.77 2.92 1.16 9.15 0.00
10 1.75 66.73* 2.70 9.45 1.09 18.27 0.02
11 0.71 0.64 1.10 93.55* 0.57 3.43 0.00
12 1.94 2.89 69.09* 3.15 5.27 17.65 0.02
13 16.35 3.54 2.14 9.04 57.73* 11.17 0.03
14 82.29* 0.79 2.67 1.21 4.20 8.81 0.03
15 0.90 0.81 1.36 2.13 87.99* 6.78 0.03
16 20.07 3.69 4.54 37.72* 7.57 26.40 0.00
17 1.16 14.19 39.40* 3.18 1.89 40.17 0.00
18 9.04 9.26 3.96 48.05* 14.86 14.77 0.06
19 3.91 34.54* 28.57 7.41 0.84 24.71 0.02
20 6.48 5.65 4.51 62.01* 1.24 20.10 0.00
21 6.41 4.44 46.66* 4.90 3.33 34.23 0.03
22 4.42 3.86 36.19 9.71* 1.21 44.61 0.00
23 1.75 3.01 5.75 3.23 42.10* 44.14 0.02
24 5.49 13.59 15.19* 5.04 4.58 56.09 0.03
25 30.31 11.40* 6.48 3.37 4.54 43.90 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 Taiwan
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ?
American Mathematics Competitions
2009 AMC 12 A Results for Taiwan
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 94.83* 3.08 0.32 0.24 0.90 0.63 0.00
2 0.11 0.83 98.19* 0.43 0.15 0.29 0.00
3 6.69 83.71* 4.36 3.21 0.98 1.01 0.03
4 96.08* 0.51 0.54 0.63 1.24 0.98 0.03
5 0.66 0.80 0.95 95.16* 0.54 1.88 0.02
6 17.04 2.97 1.81 9.28 62.40* 6.51 0.00
7 1.00 78.86* 3.51 0.98 3.78 11.86 0.02
8 84.78* 0.80 3.23 1.24 3.98 5.97 0.00
9 1.64 4.82 4.30 66.20* 1.97 21.05 0.02
10 1.78 3.21 73.15* 3.61 5.43 12.80 0.02
11 1.07 0.63 1.42 2.07 91.27* 3.49 0.05
12 10.12 46.14* 5.97 8.53 2.74 26.45 0.05
13 5.76 6.81 12.68 54.30* 4.12 16.30 0.03
14 3.44 25.24* 8.91 6.55 2.95 52.89 0.00
15 6.69 4.24 8.13 58.39* 5.54 16.99 0.02
16 7.91 8.62 7.96 33.62* 3.25 38.63 0.02
17 6.12 5.01 28.25* 5.83 7.58 47.20 0.02
18 32.87 12.48* 6.52 3.00 4.38 40.75 0.00
19 8.59 4.85 22.38* 4.16 11.01 48.99 0.02
20 2.36 3.63 7.03 4.04 29.90* 53.00 0.05
21 7.24 5.16 9.83* 3.84 2.20 71.69 0.03
22 3.66 5.54 6.06 4.94 6.12* 73.67 0.00
23 1.81 4.53 4.88 3.89* 1.24 83.65 0.00
24 9.11 7.21 6.94 4.21 1.33* 71.20 0.00
25 6.26* 6.20 5.74 8.73 15.17 57.88 0.02
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
