American Mathematics Competitions
2006 AMC 10 A Results for Alaska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 144
Number of unofficial participants: 0
Average score of participants: 71.1
Average score for female students is: 68.4 ( 68 Students)
Average score for male students is: 73.8 ( 71 Students)
Average score for unspecified gender is 70.2 ( 5 Students)
Average score for grade 10 is: 71.9 ( 64 Students)
Average score for grade 9 is: 69.5 ( 71 Students)
Average score for grade 8 and below is: 79.8 ( 7 Students)
Average score with unknown grade: 71.3 ( 2 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 2
Number of schools returning results 9
Average school winning score 105.28
American Mathematics Competitions
2006 AMC 12 A Results for Alaska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 257
Number of unofficial participants: 0
Average score of participants: 78.0
Average score for female students is: 75.9 ( 112 Students)
Average score for male students is: 80.3 ( 136 Students)
Average score for unspecified gender is 70.3 ( 9 Students)
Average score for grade 12 is: 79.6 ( 100 Students)
Average score for grade 11 is: 77.4 ( 143 Students)
Average score for grade 10 is: 75.5 ( 10 Students)
Average score with unknown grade: 66.0 ( 4 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 22
Number of schools returning results 10
Average school winning score 105.15
Average school team score 277.90
American Mathematics Competitions
2006 AMC 10 B Results for Alaska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 184
Number of unofficial participants: 0
Average score of participants: 64.1
Average score for female students is: 59.1 ( 78 Students)
Average score for male students is: 67.1 ( 83 Students)
Average score for unspecified gender is 70.1 ( 23 Students)
Average score for grade 10 is: 65.9 ( 91 Students)
Average score for grade 9 is: 62.8 ( 81 Students)
Average score with unknown grade: 59.4 ( 12 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 1
Number of schools returning results 5
Average school winning score 114.20
American Mathematics Competitions
2006 AMC 12 B Results for Alaska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 270
Number of unofficial participants: 0
Average score of participants: 80.8
Average score for female students is: 78.0 ( 114 Students)
Average score for male students is: 84.6 ( 131 Students)
Average score for unspecified gender is 73.4 ( 25 Students)
Average score for grade 12 is: 84.5 ( 83 Students)
Average score for grade 11 is: 78.7 ( 141 Students)
Average score for grade 10 is: 82.5 ( 33 Students)
Average score for grade 9 is: 112.0 ( 2 Students)
Average score with unknown grade: 69.0 ( 11 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 17
Number of schools returning results 6
Average school winning score 118.50
Average school team score 296.33
2006 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
366.5 1 1
345.5 1 2
344.5 1 3
339.0 1 4
333.0 1 5
323.5 1 6
308.0 1 7
303.5 1 8
294.5 1 9
293.5 1 10
288.0 2 11
287.5 1 13
222.0 1 14
112.5 1 15
107.5 1 16
2006 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
150.0 1
133.5 1
131.0 1
126.5 1
124.0 1
123.0 1
122.0 1
119.5 1
118.5 1
116.0 2 1
115.5 1
113.5 1 1 1
112.5 2 2
111.5 1 3
111.0 1
110.0 1 1
109.0 1 2
108.5 1
108.0 1 1
107.5 1
106.5 1 1 1
105.5 1
104.5 1 1
103.0 1
102.5 1 1
102.0 1 1 1
101.5 1
101.0 4 2
100.5 3 1
99.5 2 3
99.0 1 1
98.5 4 1
98.0 1 1
97.5 3 1
97.0 2 1 1
96.5 1
96.0 1 5 2
95.5 1 1
95.0 2 7 1 1
94.5 1 2 1
94.0 3
93.5 6 2
93.0 2 1 1
92.5 2 8 1
92.0 5
91.5 4 6
91.0 2 4 2
90.5 1 1 1
90.0 4 3 1
89.5 2
89.0 5 6 3
88.5 4 1 1
88.0 1 13 1
87.5 4 4 2
87.0 2 4 1 1
86.5 2 10 2
86.0 3
85.5 2 5 3
85.0 3 3 2
84.5 2 6 1 1
84.0 9 5 3 1
83.5 3 1 1
83.0 9 2 3
82.5 2 2 1
82.0 3 5
81.5 7 1 1 1
81.0 4 4 1
80.5 6 4 1 1
80.0 1 3
79.5 5 6 2 1
79.0 1 1 1
78.5 1 4 2 2
78.0 4 4 2 2
77.5 2 1 1
77.0 6 6 4 3
76.5 1 1 1
76.0 2 6 3 1
75.5 6 1 2 2
75.0 1 1 4
74.5 2 2 2 4
74.0 2 2
73.5 2 2 1 3
73.0 5 2 2
72.5 2 5 3
72.0 4 9 2
71.5 3 3 4 1
71.0 6 9 1 3
70.5 1 3
70.0 3 5 2 2
69.5 1 3 1
69.0 1 3
68.5 6 2 1 2
68.0 3 2 1 2
67.5 4 1 1 1
67.0 5
66.5 4 2 3 1
66.0 2 2 1
65.5 2 1 3 1
65.0 1 3 1 1
64.5 3 1 3 1
64.0 2 1 5 2
63.5 1 1 1
63.0 5 2 3
62.5 7 1 2
62.0 1 2 3
61.5 4 1
61.0 1 2 1
60.5 2 2 2 1
60.0 1 1 2 3
59.5 1 1 2
59.0 1 4 1 3
58.5 1 1
58.0 1 1 2
57.5 1 7
56.5 4 4 1 3
56.0 2 4 2
55.5 1 2 2
55.0 1 1
54.5 1 2
54.0 3 4 5 2
53.5 1 1 1
53.0 2 1
52.5 2 2 3
52.0 2
51.5 1 1 2
51.0 1 3
50.5 1
50.0 1
49.5 2
49.0 2 1
48.5 1
48.0 1 2 5
47.5 1 1 1
47.0 1
46.5 1 1 4
45.5 5
45.0 1
44.5 2 1
43.5 1 1
43.0 1 1
42.5 1
42.0 1 2
41.5 1
41.0 1
40.5 1
40.0 1
39.5 1
39.0 1 1
38.0 2
36.0 2 3
35.5 1
35.0 1
34.5 2
34.0 1
33.5 1
32.5 1
31.0 1
30.0 1 1 1
26.5 1
24.5 1
24.0 1 1
23.0 1
19.5 1
18.0 1 1
12.0 1
6.0 1
American Mathematics Competitions
2006 AMC 10 A Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 1 125.0 100.0
149.5 124.5 99.5
149.0 124.0 99.0
148.5 123.5 98.5
148.0 123.0 98.0 1
147.5 122.5 97.5
147.0 122.0 97.0 1
146.5 121.5 96.5
146.0 121.0 96.0
145.5 120.5 95.5
145.0 120.0 95.0 1
144.5 119.5 94.5 1
144.0 119.0 94.0
143.5 118.5 1 93.5
143.0 118.0 93.0
142.5 117.5 92.5 1
142.0 117.0 92.0
141.5 116.5 91.5
141.0 116.0 91.0 1 1
140.5 115.5 90.5
140.0 115.0 90.0 1
139.5 114.5 89.5
139.0 114.0 89.0
138.5 113.5 1 88.5 1
138.0 113.0 88.0
137.5 112.5 87.5 2
137.0 112.0 87.0 1
136.5 111.5 86.5
136.0 111.0 86.0
135.5 110.5 85.5 3
135.0 110.0 85.0
134.5 109.5 84.5 1
134.0 109.0 84.0 2 1
133.5 108.5 83.5 1
133.0 108.0 83.0 2
132.5 107.5 82.5 2
132.0 107.0 82.0
131.5 106.5 81.5 1
131.0 106.0 81.0 1
130.5 105.5 80.5 1
130.0 105.0 80.0 2 1
129.5 104.5 1 79.5 1 1
129.0 104.0 79.0 1
128.5 103.5 78.5 2
128.0 103.0 78.0 2
127.5 102.5 1 77.5
127.0 102.0 1 77.0 2 1
126.5 1 101.5 76.5 1
126.0 101.0 76.0 1 2
125.5 100.5 75.5 1 1
American Mathematics Competitions
2006 AMC 10 A Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 2 2 50.0 1 25.0
74.5 2 49.5 24.5
74.0 49.0 24.0 1
73.5 1 48.5 23.5
73.0 1 1 48.0 2 23.0
72.5 3 2 47.5 22.5
72.0 47.0 1 22.0
71.5 1 3 46.5 21.5
71.0 1 46.0 21.0
70.5 2 1 45.5 20.5
70.0 2 45.0 1 20.0
69.5 44.5 2 19.5
69.0 44.0 19.0
68.5 1 43.5 18.5
68.0 1 43.0 1 18.0 1
67.5 1 42.5 1 17.5
67.0 42.0 17.0
66.5 2 1 41.5 16.5
66.0 1 41.0 16.0
65.5 1 2 40.5 15.5
65.0 1 40.0 15.0
64.5 1 2 39.5 14.5
64.0 2 3 39.0 1 14.0
63.5 38.5 13.5
63.0 1 1 38.0 13.0
62.5 1 37.5 12.5
62.0 2 37.0 12.0
61.5 36.5 11.5
61.0 1 36.0 11.0
60.5 1 1 35.5 10.5
60.0 1 1 35.0 10.0
59.5 1 34.5 9.5
59.0 34.0 9.0
58.5 33.5 8.5
58.0 1 33.0 8.0
57.5 1 32.5 7.5
57.0 32.0 7.0
56.5 1 31.5 6.5
56.0 2 2 31.0 6.0
55.5 2 30.5 5.5
55.0 1 30.0 5.0
54.5 29.5 4.5
54.0 1 4 29.0 4.0
53.5 1 28.5 3.5
53.0 28.0 3.0
52.5 1 1 27.5 2.5
52.0 27.0 2.0
51.5 1 26.5 1.5
51.0 26.0 1.0
50.5 1 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 A Results for Alaska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
150.0 1
126.5 1
118.5 1
113.5 1
104.5 1
102.5 1
102.0 1
98.0 1
97.0 1
95.0 1
94.5 1
92.5 1
91.0 1 1
90.5 1
90.0 1
88.5 1
87.5 1 1
87.0 1
85.5 3
84.5 1
84.0 1 2
83.5 1
83.0 2
82.5 1 1
81.5 1
81.0 1
80.5 1
80.0 2 1
79.5 2
79.0 1
78.5 1 1
78.0 1 1
77.0 4
76.5 1
76.0 1 2
75.5 1 1
75.0 1 2 1
74.5 1 1
73.5 1
73.0 2
72.5 3 2
71.5 2 1 1
71.0 1
70.5 1 2
70.0 1 1
68.5 1
68.0 1
67.5 1
66.5 2 1
66.0 1
65.5 3
65.0 1
64.5 1 2
64.0 2 2 1
63.5 1
63.0 1 1
62.5 1
62.0 1 1
61.0 1 1
60.5 1 1
60.0 2
59.5 1
59.0 1
58.0 1
57.5 1
56.5 1
56.0 3 1
55.5 2
55.0 1
54.0 3 2
53.5 1
52.5 1 1
51.5 1
50.5 1
50.0 1
48.0 1 1
47.0 1
45.0 1
44.5 2
43.0 1
42.5 1
39.0 1
24.0 1
18.0 1
American Mathematics Competitions
2006 AMC 10 A Results for Alaska
Analysis
Table of Item Difficulty for the 2006
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 9.86* 0.07 0.07 0.00 0.00 0.00 0.00
2 0.21 0.21 0.90* 0.21 3.26 5.21 0.00
3 0.00 7.71* 0.14 0.00 2.08 0.07 0.00
4 3.40 0.21 0.07 0.14 5.42* 0.76 0.00
5 0.14 1.60 1.32 6.32* 0.14 0.49 0.00
6 0.42 7.15* 0.42 0.00 0.35 1.67 0.00
7 6.88* 0.14 0.35 0.21 0.56 1.88 0.00
8 0.97 0.42 0.42 0.07 0.76* 7.36 0.00
9 1.74 1.25 4.17* 0.21 0.35 2.29 0.00
10 0.35 0.14 0.69 1.67 0.83* 6.32 0.00
11 1.11 1.32 1.32* 0.56 0.97 4.72 0.00
12 0.63 0.63 3.82* 1.11 0.63 3.19 0.00
13 0.21 1.60 0.49 3.40* 0.07 4.24 0.00
14 1.74 2.78* 0.14 1.11 0.63 3.47 0.14
15 0.63 0.56 0.49 1.60* 0.83 5.90 0.00
16 0.42 0.14 0.28 0.49* 0.76 7.92 0.00
17 1.39* 0.49 0.14 0.69 0.35 6.94 0.00
18 1.94 0.21 1.53* 0.56 0.28 5.49 0.00
19 0.63 1.46 0.63* 0.28 0.14 6.88 0.00
20 0.83 1.04 0.56 0.35 0.21* 7.01 0.00
21 0.49 0.42 0.63 0.69 0.83* 6.94 0.00
22 0.14 0.83 2.43* 3.40 1.11 2.08 0.00
23 0.76 0.35* 0.28 0.49 1.04 7.08 0.00
24 0.69 0.49* 0.14 0.35 0.69 7.64 0.00
25 1.18 0.69 0.63* 0.56 0.56 6.39 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
2006 AMC 12 A Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 125.0 100.0
149.5 124.5 99.5 2
149.0 124.0 99.0 1
148.5 123.5 98.5
148.0 123.0 98.0
147.5 122.5 97.5
147.0 122.0 97.0 2
146.5 121.5 96.5
146.0 121.0 96.0 1
145.5 120.5 95.5 1
145.0 120.0 95.0 2
144.5 119.5 1 94.5 1
144.0 119.0 94.0
143.5 118.5 93.5 5 1
143.0 118.0 93.0 2
142.5 117.5 92.5 2
142.0 117.0 92.0 2 3
141.5 116.5 91.5 3 1
141.0 116.0 1 1 91.0 1 1
140.5 115.5 90.5 1
140.0 115.0 90.0 2 2
139.5 114.5 89.5 1 1
139.0 114.0 89.0 3 2
138.5 113.5 1 88.5 4
138.0 113.0 88.0 1
137.5 112.5 2 87.5 3 1
137.0 112.0 87.0 2
136.5 111.5 1 86.5 2
136.0 111.0 86.0 1 2
135.5 110.5 85.5 1 1
135.0 110.0 1 85.0 3
134.5 109.5 84.5 2
134.0 109.0 1 84.0 3 6
133.5 108.5 83.5 2 1
133.0 108.0 1 83.0
132.5 107.5 1 82.5 1 1
132.0 107.0 82.0 1 2
131.5 106.5 1 81.5 4 3
131.0 106.0 81.0 3 1
130.5 105.5 80.5 2 4
130.0 105.0 80.0 1
129.5 104.5 79.5 5
129.0 104.0 79.0 1
128.5 103.5 78.5 1
128.0 103.0 78.0 3 1
127.5 102.5 1 77.5 2
127.0 102.0 1 77.0 3 2
126.5 101.5 1 76.5 1
126.0 101.0 1 3 76.0 1 1
125.5 100.5 2 75.5 4 2
American Mathematics Competitions
2006 AMC 12 A Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 50.0 25.0
74.5 2 49.5 24.5
74.0 2 49.0 24.0
73.5 1 1 48.5 23.5
73.0 5 48.0 23.0
72.5 47.5 1 22.5
72.0 2 2 47.0 22.0
71.5 3 46.5 1 21.5
71.0 3 3 46.0 21.0
70.5 45.5 20.5
70.0 3 45.0 20.0
69.5 1 44.5 19.5
69.0 1 44.0 19.0
68.5 2 4 43.5 1 18.5
68.0 2 1 43.0 1 18.0
67.5 1 3 42.5 17.5
67.0 2 3 42.0 1 17.0
66.5 3 41.5 16.5
66.0 2 41.0 16.0
65.5 2 40.5 15.5
65.0 40.0 15.0
64.5 1 2 39.5 14.5
64.0 1 1 39.0 14.0
63.5 1 38.5 13.5
63.0 3 1 38.0 13.0
62.5 4 2 37.5 12.5
62.0 1 37.0 12.0 1
61.5 36.5 11.5
61.0 1 36.0 11.0
60.5 1 1 35.5 10.5
60.0 1 35.0 10.0
59.5 34.5 9.5
59.0 1 34.0 1 9.0
58.5 1 33.5 8.5
58.0 33.0 8.0
57.5 32.5 7.5
57.0 32.0 7.0
56.5 1 3 31.5 6.5
56.0 31.0 6.0
55.5 30.5 5.5
55.0 30.0 1 5.0
54.5 1 29.5 4.5
54.0 1 2 29.0 4.0
53.5 1 28.5 3.5
53.0 1 1 28.0 3.0
52.5 1 27.5 2.5
52.0 27.0 2.0
51.5 1 26.5 1 1.5
51.0 26.0 1.0
50.5 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 12 A Results for Alaska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
119.5 1
116.0 1 1
113.5 1
112.5 2
111.5 1
110.0 1
109.0 1
108.0 1
107.5 1
106.5 1
102.5 1
102.0 1
101.5 1
101.0 3 1
100.5 1 2
99.5 2
99.0 1
97.0 2
96.0 1
95.5 1
95.0 2
94.5 1
93.5 2 4
93.0 1 1
92.5 2
92.0 2 3
91.5 3 1
91.0 1 1
90.5 1
90.0 2 2
89.5 2
89.0 1 4
88.5 1 3
88.0 1
87.5 2 2
87.0 2
86.5 2
86.0 3
85.5 2
85.0 2 1
84.5 2
84.0 4 5
83.5 2 1
82.5 1 1
82.0 2 1
81.5 6 1
81.0 3 1
80.5 1 1 4
80.0 1
79.5 4 1
79.0 1
78.5 1
78.0 3 1
77.5 2
77.0 2 2 2
76.5 1
76.0 2
75.5 3 3
75.0 1
74.5 2
74.0 1 1
73.5 2
73.0 3 2
72.0 2 2
71.5 3
71.0 5 1
70.5 1
70.0 3
69.5 1
69.0 1
68.5 1 3 2
68.0 1 2
67.5 1 3
67.0 4 1
66.5 2 2
66.0 2
65.5 2
65.0 1
64.5 2 1
64.0 1 1
63.5 1
63.0 3 1 1
62.5 5 2
62.0 1
61.0 1
60.5 2
60.0 1
59.0 1
58.5 1
56.5 3 1
54.5 1
54.0 3
53.5 1
53.0 2
52.5 1 1
51.5 1
47.5 1
46.5 1
43.5 1
43.0 1
42.0 1
34.0 1
30.0 1
26.5 1
12.0 1
American Mathematics Competitions
2006 AMC 12 A Results for Alaska
Analysis
Table of Item Difficulty for the 2006
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 9.88* 0.00 0.12 0.00 0.00 0.00 0.00
2 1.21 0.27 3.11* 0.08 1.44 3.89 0.00
3 0.00 8.29* 0.08 0.00 1.60 0.04 0.00
4 2.22 0.19 0.19 0.04 6.93* 0.43 0.00
5 0.12 0.74 1.13 7.32* 0.27 0.43 0.00
6 7.12* 0.12 0.27 0.35 0.16 1.98 0.00
7 0.62 4.12* 0.86 0.82 0.47 3.11 0.00
8 1.60 1.44 5.33* 0.27 0.16 1.21 0.00
9 7.28* 0.39 0.04 0.12 0.35 1.83 0.00
10 0.27 0.08 0.82 3.07 1.01* 4.75 0.00
11 1.87 0.86 2.30* 1.21 0.51 3.27 0.00
12 1.44 4.98* 0.27 0.89 0.27 2.14 0.00
13 0.78 0.27 0.39 0.04 5.14* 3.39 0.00
14 0.00 0.43 3.70* 3.54 0.62 1.71 0.00
15 2.72* 2.18 0.62 0.58 1.36 2.53 0.00
16 0.51 2.61* 0.23 0.27 0.54 5.84 0.00
17 0.27 0.54* 0.35 0.43 0.19 8.21 0.00
18 1.71 0.12 0.62 0.89 0.78* 5.88 0.00
19 0.16 0.12 0.31 0.19 0.31* 8.91 0.00
20 1.98 0.23 0.62* 0.43 0.51 6.23 0.00
21 0.12 0.12 0.97 0.16 0.19* 8.44 0.00
22 0.12 0.31 0.16 0.04* 0.04 9.34 0.00
23 0.16 0.04* 0.39 0.27 0.16 8.99 0.00
24 1.83 0.19 0.23 0.23* 0.27 7.24 0.00
25 0.16 0.23 0.19 0.19 0.12* 9.11 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
2006 AMC 10 B Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 125.0 100.0
149.5 124.5 99.5
149.0 124.0 99.0 1
148.5 123.5 98.5 1
148.0 123.0 98.0
147.5 122.5 97.5 1
147.0 122.0 97.0 1
146.5 121.5 96.5
146.0 121.0 96.0 1
145.5 120.5 95.5 1
145.0 120.0 95.0 1
144.5 119.5 94.5
144.0 119.0 94.0
143.5 118.5 93.5
143.0 118.0 93.0
142.5 117.5 92.5
142.0 117.0 92.0
141.5 116.5 91.5
141.0 116.0 91.0
140.5 115.5 1 90.5
140.0 115.0 90.0
139.5 114.5 89.5
139.0 114.0 89.0 1 2
138.5 113.5 88.5
138.0 113.0 88.0 1
137.5 112.5 87.5
137.0 112.0 87.0
136.5 111.5 86.5 2
136.0 111.0 1 86.0
135.5 110.5 85.5
135.0 110.0 1 85.0 1
134.5 109.5 84.5 1
134.0 109.0 84.0 1
133.5 1 108.5 1 83.5
133.0 108.0 83.0 1
132.5 107.5 82.5 1
132.0 107.0 82.0
131.5 106.5 1 81.5 1
131.0 106.0 81.0
130.5 105.5 80.5 1
130.0 105.0 80.0
129.5 104.5 79.5 1
129.0 104.0 79.0 1
128.5 103.5 78.5 1 1
128.0 103.0 1 78.0 2
127.5 102.5 77.5 1
127.0 102.0 1 77.0 3
126.5 101.5 76.5
126.0 101.0 76.0 1
125.5 100.5 1 75.5 1 1
American Mathematics Competitions
2006 AMC 10 B Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 50.0 25.0
74.5 1 3 49.5 2 24.5 1
74.0 1 49.0 1 24.0 1
73.5 1 2 48.5 23.5
73.0 48.0 2 2 23.0 1
72.5 2 1 47.5 22.5
72.0 2 47.0 22.0
71.5 1 46.5 3 21.5
71.0 2 1 46.0 21.0
70.5 45.5 2 3 20.5
70.0 1 1 45.0 20.0
69.5 1 44.5 19.5
69.0 44.0 19.0
68.5 1 1 43.5 1 18.5
68.0 2 43.0 18.0 1
67.5 42.5 17.5
67.0 42.0 2 17.0
66.5 1 41.5 1 16.5
66.0 41.0 1 16.0
65.5 40.5 1 15.5
65.0 1 40.0 1 15.0
64.5 1 39.5 1 14.5
64.0 1 1 39.0 1 14.0
63.5 1 38.5 13.5
63.0 1 2 38.0 2 13.0
62.5 1 37.5 12.5
62.0 3 37.0 12.0
61.5 36.5 11.5
61.0 36.0 1 2 11.0
60.5 1 35.5 1 10.5
60.0 3 35.0 1 10.0
59.5 1 1 34.5 2 9.5
59.0 2 34.0 9.0
58.5 1 33.5 1 8.5
58.0 2 33.0 8.0
57.5 4 2 32.5 1 7.5
57.0 32.0 7.0
56.5 2 1 31.5 6.5
56.0 1 1 31.0 1 6.0 1
55.5 2 30.5 5.5
55.0 1 30.0 1 5.0
54.5 2 29.5 4.5
54.0 1 1 29.0 4.0
53.5 1 28.5 3.5
53.0 1 28.0 3.0
52.5 1 1 27.5 2.5
52.0 1 1 27.0 2.0
51.5 2 26.5 1.5
51.0 2 1 26.0 1.0
50.5 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 B Results for Alaska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
133.5 1
116.0 1
115.5 1
111.0 1
110.0 1
108.5 1
106.5 1
105.5 1
103.0 1
102.0 1
100.5 1
99.0 1
98.5 1
97.5 1
97.0 1
96.5 1
96.0 2
95.5 1
95.0 1
93.0 1
89.0 1 2
88.0 1
87.0 1
86.5 1 1
85.0 1 1
84.5 1
84.0 1
83.0 3
82.5 1
81.5 1
80.5 1
79.5 1
79.0 1
78.5 1 1
78.0 1 1
77.5 1
77.0 1 2
76.0 1
75.5 1 1
74.5 2 2
74.0 1 1
73.5 1 2
72.5 3
72.0 1 1
71.5 1
71.0 3
70.0 2
69.5 1
68.5 1 1
68.0 2
67.5 1
66.5 1
65.5 1
65.0 1
64.5 1
64.0 2
63.5 1
63.0 2 1
62.5 1 1
62.0 1 2
61.5 1
61.0 1
60.5 1
60.0 2 1
59.5 1 1
59.0 2 1
58.5 1
58.0 1 1
57.5 2 4 1
56.5 1 2
56.0 2
55.5 2
55.0 1
54.5 1 1
54.0 2
53.5 1
53.0 1
52.5 2 1
52.0 1 1
51.5 2
51.0 1 2
49.5 2
49.0 1
48.0 2 3
47.5 1
46.5 3 1
45.5 3 2
44.5 1
43.5 1
42.0 1 1
41.5 1
41.0 1
40.5 1
40.0 1
39.5 1
39.0 1
38.0 1 1
36.0 2 1
35.5 1
35.0 1
34.5 1 1
33.5 1
32.5 1
31.0 1
30.0 1
24.5 1
24.0 1
23.0 1
19.5 1
18.0 1
6.0 1
American Mathematics Competitions
2006 AMC 10 B Results for Alaska
Analysis
Table of Item Difficulty for the 2006
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.71 0.82 4.62* 2.23 1.09 0.54 0.00
2 4.89* 0.87 0.16 0.05 0.43 3.59 0.00
3 7.07* 0.33 0.00 1.90 0.60 0.11 0.00
4 1.09 2.55 0.49 2.28* 2.55 1.03 0.00
5 1.09 4.89* 1.79 0.33 0.05 1.85 0.00
6 0.38 0.49 3.04 3.04* 0.49 2.55 0.00
7 1.96* 1.68 1.20 1.47 0.38 3.32 0.00
8 1.47 1.09* 0.27 1.41 0.92 4.84 0.00
9 0.27 7.39* 0.00 0.00 1.14 1.20 0.00
10 1.58* 0.16 1.14 0.22 3.04 3.86 0.00
11 0.33 1.25 2.17* 0.54 0.33 5.38 0.00
12 0.27 0.43 0.27 0.54 4.13* 4.35 0.00
13 0.98 0.33 2.12 0.71 2.61* 3.26 0.00
14 0.38 0.05 0.27 0.82* 0.00 8.48 0.00
15 1.03 0.22 1.63* 0.27 0.43 6.41 0.00
16 2.23 0.43 1.74 0.65 1.47* 3.48 0.00
17 3.15 1.09 1.58 2.12* 0.11 1.96 0.00
18 0.87 0.54 1.09 0.16 0.43* 6.90 0.00
19 0.22* 0.22 0.38 0.38 0.27 8.53 0.00
20 0.38 0.38 0.38 0.49 0.76* 7.61 0.00
21 0.43 0.54 1.09* 1.96 0.38 5.60 0.00
22 0.38 0.92 1.96 0.76* 0.00 5.98 0.00
23 0.16 0.87 0.16 0.71* 0.33 7.77 0.00
24 0.16 0.82* 0.60 0.27 0.16 7.99 0.00
25 0.49 1.68* 0.22 1.63 0.60 5.38 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
2006 AMC 12 B Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 125.0 100.0
149.5 124.5 99.5 3
149.0 124.0 1 99.0
148.5 123.5 98.5 2 2
148.0 123.0 1 98.0 1
147.5 122.5 97.5 1 2
147.0 122.0 1 97.0
146.5 121.5 96.5
146.0 121.0 96.0 3 2
145.5 120.5 95.5
145.0 120.0 95.0 3 4
144.5 119.5 94.5 2
144.0 119.0 94.0 3
143.5 118.5 93.5 2
143.0 118.0 93.0 1
142.5 117.5 92.5 5 2
142.0 117.0 92.0
141.5 116.5 91.5 5 1
141.0 116.0 91.0 4
140.5 115.5 90.5 1
140.0 115.0 90.0 3
139.5 114.5 89.5
139.0 114.0 89.0 4 1
138.5 113.5 1 88.5 1
138.0 113.0 88.0 6 7
137.5 112.5 1 1 87.5 3 1
137.0 112.0 87.0 3 1
136.5 111.5 2 1 86.5 7 1
136.0 111.0 86.0
135.5 110.5 85.5 3 2
135.0 110.0 85.0 3
134.5 109.5 84.5 2 4
134.0 109.0 1 84.0 3 2
133.5 108.5 83.5 1
133.0 108.0 1 83.0 3 6
132.5 107.5 82.5
132.0 107.0 82.0 5
131.5 106.5 1 81.5 1
131.0 106.0 81.0 3
130.5 105.5 80.5 3
130.0 105.0 80.0
129.5 104.5 1 79.5 6
129.0 104.0 79.0
128.5 103.5 78.5 1 2
128.0 103.0 78.0 1 3
127.5 102.5 77.5 1
127.0 102.0 77.0 1 2
126.5 101.5 76.5 1
126.0 101.0 2 76.0 4 2
125.5 100.5 75.5 1
American Mathematics Competitions
2006 AMC 12 B Results for Alaska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 1 50.0 25.0
74.5 2 49.5 24.5
74.0 49.0 1 24.0
73.5 2 48.5 1 23.5
73.0 1 48.0 1 23.0
72.5 2 47.5 22.5
72.0 3 5 47.0 22.0
71.5 2 1 46.5 21.5
71.0 2 7 46.0 21.0
70.5 45.5 20.5
70.0 2 45.0 20.0
69.5 1 2 44.5 19.5
69.0 2 1 44.0 19.0
68.5 2 43.5 18.5
68.0 1 1 43.0 18.0
67.5 1 42.5 17.5
67.0 42.0 17.0
66.5 1 1 41.5 16.5
66.0 1 1 41.0 16.0
65.5 1 40.5 15.5
65.0 2 1 40.0 15.0
64.5 1 39.5 14.5
64.0 39.0 14.0
63.5 38.5 13.5
63.0 38.0 13.0
62.5 37.5 12.5
62.0 37.0 12.0
61.5 3 36.5 11.5
61.0 36.0 1 11.0
60.5 1 1 35.5 10.5
60.0 1 35.0 10.0
59.5 1 34.5 9.5
59.0 2 2 34.0 9.0
58.5 33.5 8.5
58.0 1 33.0 8.0
57.5 32.5 7.5
57.0 32.0 7.0
56.5 3 31.5 6.5
56.0 1 1 31.0 6.0
55.5 1 30.5 5.5
55.0 30.0 1 5.0
54.5 29.5 4.5
54.0 2 1 29.0 4.0
53.5 28.5 3.5
53.0 28.0 3.0
52.5 27.5 2.5
52.0 27.0 2.0
51.5 26.5 1.5
51.0 1 26.0 1.0
50.5 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 12 B Results for Alaska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
131.0 1
124.0 1
123.0 1
122.0 1
113.5 1
112.5 2
111.5 1 2
109.0 1 1
108.0 1
106.5 1
104.5 1
101.0 1 1
99.5 1 2
98.5 2 2
98.0 1
97.5 1 2
96.0 4 1
95.0 2 2 3
94.5 1 1
94.0 3
93.5 1 1
93.0 1
92.5 1 4 3
91.5 1 4 1
91.0 3 1
90.5 1
90.0 2 1
89.0 4 1 1
88.5 1
88.0 1 8 4
87.5 3 1
87.0 3 1
86.5 2 7 1
85.5 3 2
85.0 1 1 1
84.5 6
84.0 1 2 2
83.5 1
83.0 1 3 5
82.0 3 2
81.5 1
81.0 3 1
80.5 1 2 1
79.5 1 4 1
78.5 1 3
78.0 2 1 1
77.5 1
77.0 1 1 2 2
76.5 1
76.0 4 2
75.5 1
75.0 1
74.5 1 1
73.5 2
73.0 1 1
72.5 1 1
72.0 2 5 2
71.5 1 2
71.0 1 4 4
70.0 3 1 1
69.5 1 2
69.0 1 1 1
68.5 2
68.0 2
67.5 1
66.5 1 1
66.0 1 1
65.5 1
65.0 3
64.5 1
64.0 1
61.5 1 2 1
60.5 2
60.0 1
59.5 1
59.0 3 1
58.0 1
56.5 3 1
56.0 2
55.5 1
54.0 1 2 1
51.0 1
49.0 2
48.5 1
48.0 1
47.5 1
46.5 1
36.0 2
30.0 1
American Mathematics Competitions
2006 AMC 12 B Results for Alaska
Analysis
Table of Item Difficulty for the 2006
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 0.30 0.37 7.37* 1.44 0.33 0.15 0.04
2 6.85* 0.59 0.07 0.00 0.33 2.15 0.00
3 8.19* 0.37 0.04 1.04 0.30 0.07 0.00
4 9.07* 0.37 0.15 0.26 0.07 0.07 0.00
5 7.07* 0.67 0.59 0.15 0.22 1.30 0.00
6 0.04 8.52* 0.22 0.22 0.63 0.37 0.00
7 0.56 8.04* 0.37 0.41 0.11 0.52 0.00
8 0.26 0.15 0.19 0.59 6.59* 2.19 0.04
9 0.37 3.52* 0.41 0.67 0.48 4.56 0.00
10 1.56* 0.33 1.63 0.04 3.26 3.19 0.00
11 0.81 0.26 1.30 0.93 3.74* 2.96 0.00
12 0.56 0.56 0.37 0.52* 0.56 7.44 0.00
13 0.70 0.26 1.70* 0.30 0.37 6.67 0.00
14 0.11 0.37 1.81 1.07* 0.11 6.52 0.00
15 0.30 1.85* 1.07 0.44 0.11 6.22 0.00
16 0.15 0.22 0.74* 0.07 0.15 8.67 0.00
17 0.33 0.15 0.85* 1.33 0.37 6.96 0.00
18 0.30 0.52* 0.89 0.30 0.15 7.85 0.00
19 0.22 1.70* 0.07 1.26 0.22 6.52 0.00
20 0.26 0.26 0.15* 0.07 0.22 9.04 0.00
21 0.11 0.00 0.19* 0.11 0.15 9.44 0.00
22 0.11 0.30* 0.15 0.11 0.11 9.22 0.00
23 0.19 0.26 0.15 0.19 0.22* 9.00 0.00
24 0.15 0.11 0.15* 0.19 0.07 9.33 0.00
25 0.15 0.15* 0.11 0.26 0.04 9.30 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column