American Mathematics Competitions
2006 AMC 10 A Results for Indiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1231
Number of unofficial participants: 0
Average score of participants: 79.1
Average score for female students is: 75.7 ( 536 Students)
Average score for male students is: 82.9 ( 587 Students)
Average score for unspecified gender is 75.0 ( 108 Students)
Average score for grade 10 is: 80.0 ( 578 Students)
Average score for grade 9 is: 77.0 ( 498 Students)
Average score for grade 8 and below is: 89.2 ( 99 Students)
Average score with unknown grade: 69.8 ( 56 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 31
Number of schools returning results 52
Average school winning score 108.48
American Mathematics Competitions
2006 AMC 12 A Results for Indiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1461
Number of unofficial participants: 0
Average score of participants: 84.3
Average score for female students is: 80.2 ( 577 Students)
Average score for male students is: 87.7 ( 822 Students)
Average score for unspecified gender is 76.6 ( 62 Students)
Average score for grade 13 is: 75.0 ( 1 Student)
Average score for grade 12 is: 85.9 ( 679 Students)
Average score for grade 11 is: 82.6 ( 673 Students)
Average score for grade 10 is: 85.6 ( 66 Students)
Average score for grade 9 is: 114.5 ( 11 Students)
Average score for grade 8 and below is: 112.3 ( 2 Students)
Average score with unknown grade: 70.2 ( 29 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 270
Number of schools returning results 59
Average school winning score 109.69
Average school team score 308.64
American Mathematics Competitions
2006 AMC 10 B Results for Indiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 755
Number of unofficial participants: 0
Average score of participants: 62.2
Average score for female students is: 58.0 ( 360 Students)
Average score for male students is: 67.0 ( 337 Students)
Average score for unspecified gender is 60.8 ( 58 Students)
Average score for grade 10 is: 65.7 ( 356 Students)
Average score for grade 9 is: 58.4 ( 352 Students)
Average score for grade 8 and below is: 63.5 ( 34 Students)
Average score with unknown grade: 68.5 ( 13 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 10
Number of schools returning results 25
Average school winning score 96.94
American Mathematics Competitions
2006 AMC 12 B Results for Indiana
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1177
Number of unofficial participants: 0
Average score of participants: 80.0
Average score for female students is: 74.8 ( 518 Students)
Average score for male students is: 84.3 ( 605 Students)
Average score for unspecified gender is 82.2 ( 54 Students)
Average score for grade 12 is: 81.8 ( 461 Students)
Average score for grade 11 is: 78.5 ( 490 Students)
Average score for grade 10 is: 77.2 ( 145 Students)
Average score for grade 9 is: 82.4 ( 52 Students)
Average score for grade 8 and below is: 117.2 ( 5 Students)
Average score with unknown grade: 80.7 ( 24 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 149
Number of schools returning results 34
Average school winning score 107.37
Average school team score 301.81
2006 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
417.0 1 1
391.5 1 2
389.0 1 1 3
377.5 1 5
374.0 1 6
373.0 1 7
371.0 1 8
367.0 1 9
363.5 1 10
359.5 1 11
358.0 1 12
357.0 1 13
354.0 1 14
353.0 1 15
349.0 1 16
348.0 1 17
346.5 1 18
344.5 1 19
340.0 1 20
337.5 1 21
336.0 1 22
335.5 1 23
335.0 2 2 24
334.0 1 28
333.0 1 29
331.5 1 30
330.5 1 31
330.0 1 32
329.5 2 1 33
325.5 1 36
323.0 1 37
322.5 1 38
320.0 1 1 39
319.5 1 41
318.0 1 42
317.5 1 43
317.0 1 44
313.5 1 45
311.0 2 46
307.5 1 48
306.5 1 49
306.0 1 50
304.0 2 51
303.0 1 53
302.5 1 54
300.0 1 55
299.0 1 1 56
298.5 1 58
297.5 1 1 59
295.0 2 61
294.5 2 63
294.0 1 65
293.5 1 66
292.0 1 67
289.0 1 68
287.0 1 69
286.0 1 1 70
284.0 1 72
282.0 1 73
281.5 1 74
278.5 1 75
273.0 1 76
271.5 1 77
263.0 1 78
261.5 1 79
260.0 1 80
259.5 1 81
259.0 2 82
252.0 1 84
249.0 1 85
243.5 1 86
242.5 1 87
240.5 1 88
231.5 1 89
168.5 1 90
132.5 1 91
124.5 1 92
85.5 1 93
2006 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
150.0 1 2
146.5 1
144.0 3 1
143.0 1
140.5 1 1
139.5 1
138.0 1 1
137.0 2
136.0 2 1 2 1
133.5 1
132.5 3 2 1
132.0 1
131.0 2
130.0 1
129.0 1 3 1
128.5 1
127.5 1 1 1
126.5 2 1
126.0 1
125.5 1 1 3
125.0 1
124.0 1 1 1 1
123.0 1 4
122.0 4 3 1
121.5 1 2 1
120.5 2 2 1
120.0 1
119.5 5 1 2
119.0 1
118.5 8 1
118.0 2
117.0 3 4 2
116.5 1
116.0 11 3 2
115.5 3
115.0 10 5 1
114.5 1 1 3
114.0 2
113.5 3 2
113.0 3
112.5 32 6
112.0 2 1
111.5 3 4 1
111.0 7 1
110.0 11 3 7 4
109.5 1 1
109.0 20 2
108.5 1 4 1
108.0 7 12 2
107.5 3 2 4 1
107.0 1
106.5 19 9 2 1
106.0 1 1
105.5 7 8 4 1
105.0 3 2 8 1
104.5 7 6 2
104.0 12 4 6 3
103.5 2
103.0 26 8 3 3
102.5 1 3
102.0 14 20 4
101.5 7 5 1
101.0 13 26 3
100.5 24 6 8
100.0 3
99.5 20 7 2 1
99.0 1 2 8
98.5 14 22 4 2
98.0 18 2 17 4
97.5 1 6 1
97.0 21 6 15 2
96.5 2 9
96.0 23 18 9 3
95.5 9 1 10 1
95.0 21 31 4 1
94.5 21 1 9
94.0 2 7 3
93.5 27 8 13 6
93.0 6 6
92.5 20 33 13 5
92.0 17 2 8 3
91.5 3 13 6 3
91.0 21 8 10 2
90.5 2 8 5
90.0 22 13 15 5
89.5 12 8 2
89.0 23 37 12 3
88.5 22 7 7 2
88.0 1 12 10 2
87.5 25 12 10 4
87.0 6 5 5 1
86.5 23 16 19 4
86.0 19 3 16 2
85.5 2 23 13 2
85.0 23 9 16 3
84.5 7 17 6 2
84.0 40 17 15 2
83.5 6 4 4 1
83.0 26 31 16 2
82.5 21 9 8 4
82.0 6 10 14 1
81.5 26 9 15 6
81.0 14 10 10 1
80.5 24 28 24 4
80.0 16 7 12 2
79.5 11 23 17 3
79.0 21 7 15 5
78.5 8 19 20 2
78.0 30 11 19 5
77.5 6 7 12 2
77.0 27 20 14 8
76.5 17 6 14 6
76.0 10 23 15 10
75.5 23 4 14 5
75.0 9 16 6 1
74.5 16 11 28 8
74.0 12 7 17 8
73.5 9 20 17 12
73.0 19 7 14 4
72.5 8 11 18 2
72.0 36 15 10 4
71.5 7 15 17 4
71.0 14 20 22 10
70.5 9 9 16 6
70.0 8 13 9 4
69.5 19 6 15 10
69.0 5 11 8 6
68.5 12 11 16 4
68.0 4 4 15 7
67.5 7 15 16 13
67.0 16 5 9 7
66.5 6 10 9 5
66.0 14 12 14 10
65.5 2 6 8 5
65.0 11 16 16 15
64.5 10 4 12 5
64.0 7 5 9 9
63.5 11 7 14 8
63.0 4 8 4 6
62.5 13 18 13 8
62.0 6 8 5 7
61.5 7 4 11 11
61.0 15 7 12 11
60.5 3 8 3 8
60.0 10 17 9 12
59.5 7 5 9 6
59.0 9 8 5 5
58.5 2 2 6 8
58.0 2 6 6 8
57.5 3 3 4 7
57.0 7 2 4
56.5 5 3 10 10
56.0 4 2 7 7
55.5 3 3 3 7
55.0 1 4 5 8
54.5 2 3 5 8
54.0 7 1 12 13
53.5 2 1 4 12
53.0 1 4 7
52.5 5 5 3 11
52.0 2 4 3 8
51.5 2 3 2 7
51.0 3 4 4 4
50.5 2 4 2 10
50.0 2 3 5 6
49.5 1 4 6 10
49.0 1 2 7
48.5 1 1 2 8
48.0 1 7 5 15
47.5 1 2 1 6
47.0 2 3 6
46.5 1 1 1 5
46.0 3 2 8
45.5 2 1 11
45.0 2 1 7
44.5 2 2 3 5
44.0 1 1 1 3
43.5 2 2 3 4
43.0 1 1 4
42.5 1
42.0 5 5 4 10
41.5 1 1 3
41.0 3 2
40.5 1 1 6
40.0 1
39.5 1 2
39.0 1 2 4
38.5 1 3
38.0 2
37.5 1 1 3
37.0 1 6
36.5 1 1 5
36.0 4 3 4 9
35.5 1 2
35.0 3
34.5 1 4
34.0 2 3
33.5 5
33.0 2
32.5 1 1
31.5 1 1
31.0 2
30.5 1 1
30.0 2 2 9
29.5 2
28.5 1
28.0 1
27.0 3
26.5 1
24.5 1
24.0 2 4 1 3
23.0 1 1
18.5 1
18.0 2 1 2
12.0 2
American Mathematics Competitions
2006 AMC 10 A Results for Indiana
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 2 125.0 1 100.0 1 1
149.5 124.5 99.5 1
149.0 124.0 1 99.0 4 4
148.5 123.5 98.5 2 2
148.0 123.0 4 98.0 11 5
147.5 122.5 97.5 1
147.0 122.0 1 97.0 9 5
146.5 121.5 2 96.5 6 2
146.0 121.0 96.0 7 2
145.5 120.5 1 95.5 6 4
145.0 120.0 95.0 2 2
144.5 119.5 1 1 94.5 4 5
144.0 3 119.0 1 94.0 3
143.5 118.5 93.5 8 5
143.0 118.0 1 1 93.0 4 1
142.5 117.5 92.5 6 5
142.0 117.0 3 1 92.0 5 3
141.5 116.5 1 91.5 2 3
141.0 116.0 2 91.0 6 4
140.5 1 115.5 1 2 90.5 4 1
140.0 115.0 90.0 9 5
139.5 114.5 2 1 89.5 3 4
139.0 114.0 2 89.0 2 8
138.5 113.5 1 1 88.5 3 4
138.0 1 113.0 3 88.0 7 3
137.5 112.5 87.5 5 5
137.0 2 112.0 2 87.0 1 4
136.5 111.5 1 86.5 11 8
136.0 2 111.0 6 1 86.0 10 3
135.5 110.5 85.5 5 7
135.0 110.0 5 2 85.0 9 6
134.5 109.5 84.5 4 2
134.0 109.0 1 1 84.0 9 5
133.5 108.5 3 83.5 3 1
133.0 108.0 2 83.0 6 8
132.5 107.5 1 2 82.5 6 2
132.0 107.0 82.0 6 8
131.5 106.5 2 81.5 3 12
131.0 2 106.0 1 81.0 6 4
130.5 105.5 3 1 80.5 11 12
130.0 1 105.0 6 2 80.0 9 3
129.5 104.5 1 79.5 6 8
129.0 1 104.0 3 2 79.0 8 7
128.5 103.5 1 78.5 6 13
128.0 103.0 2 1 78.0 10 7
127.5 1 102.5 1 2 77.5 6 5
127.0 102.0 2 2 77.0 3 9
126.5 101.5 3 2 76.5 5 8
126.0 101.0 2 1 76.0 10 5
125.5 2 100.5 6 2 75.5 7 7
American Mathematics Competitions
2006 AMC 10 A Results for Indiana
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 3 3 50.0 2 3 25.0
74.5 10 13 49.5 3 1 24.5
74.0 7 7 49.0 2 24.0
73.5 5 11 48.5 1 1 23.5
73.0 2 12 48.0 2 2 23.0
72.5 7 8 47.5 1 22.5
72.0 3 6 47.0 22.0
71.5 10 7 46.5 1 21.5
71.0 6 13 46.0 1 1 21.0
70.5 9 6 45.5 1 20.5
70.0 3 5 45.0 1 20.0
69.5 8 5 44.5 2 1 19.5
69.0 5 3 44.0 1 19.0
68.5 7 5 43.5 2 1 18.5
68.0 9 4 43.0 18.0 1
67.5 4 9 42.5 17.5
67.0 1 7 42.0 4 17.0
66.5 5 2 41.5 1 16.5
66.0 5 8 41.0 16.0
65.5 5 3 40.5 1 15.5
65.0 5 8 40.0 15.0
64.5 5 6 39.5 14.5
64.0 2 6 39.0 14.0
63.5 6 7 38.5 13.5
63.0 2 38.0 13.0
62.5 4 7 37.5 12.5
62.0 2 2 37.0 1 12.0
61.5 3 3 36.5 1 11.5
61.0 2 8 36.0 3 1 11.0
60.5 2 1 35.5 1 10.5
60.0 3 5 35.0 10.0
59.5 1 7 34.5 9.5
59.0 3 2 34.0 9.0
58.5 1 3 33.5 8.5
58.0 5 1 33.0 8.0
57.5 2 2 32.5 7.5
57.0 1 1 32.0 7.0
56.5 4 6 31.5 1 6.5
56.0 2 5 31.0 6.0
55.5 2 30.5 1 5.5
55.0 2 3 30.0 2 5.0
54.5 5 29.5 4.5
54.0 5 5 29.0 4.0
53.5 2 1 28.5 3.5
53.0 4 28.0 3.0
52.5 2 1 27.5 2.5
52.0 1 2 27.0 2.0
51.5 2 26.5 1 1.5
51.0 2 2 26.0 1.0
50.5 1 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 A Results for Indiana
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
150.0 2
144.0 1 1 1
140.5 1
138.0 1
137.0 1 1
136.0 1 1
132.5 1
131.0 1 1
130.0 1
129.0 1
127.5 1
126.0 1
125.5 1 2
125.0 1
124.0 1
123.0 1 2 1
122.0 1
121.5 1 1
120.5 1
119.5 1 1
119.0 1
118.0 1 1
117.0 2 2
116.5 1
116.0 2
115.5 1 2
115.0 1
114.5 1 2
114.0 1 1
113.5 1 1
113.0 1 2
112.0 1 1
111.5 1
111.0 1 2 4
110.0 3 2 2
109.0 1 1
108.5 2 2
108.0 1 1
107.5 1 1 2
107.0 1
106.5 1 1
106.0 1
105.5 2 1 1
105.0 1 3 4
104.5 2
104.0 2 4
103.5 1 1
103.0 2 1
102.5 1 2
102.0 1 1 1 1
101.5 3 2
101.0 1 2
100.5 1 3 4
100.0 2 1
99.5 1 1
99.0 2 6
98.5 2 2
98.0 1 1 7 7 1
97.5 1
97.0 1 7 7
96.5 1 1 2 5
96.0 2 7
95.5 2 4 4
95.0 2 2
94.5 1 3 5
94.0 1 2
93.5 9 4
93.0 1 3 2
92.5 2 3 8
92.0 1 3 3 1
91.5 1 4 1
91.0 1 3 6
90.5 1 1 3
90.0 1 1 1 4 8
89.5 1 3 4
89.0 6 6
88.5 2 5
88.0 1 3 6
87.5 2 8
87.0 1 3 1
86.5 2 5 12
86.0 1 5 8 2
85.5 6 7
85.0 6 10
84.5 4 2
84.0 1 4 5 4 1
83.5 3 1
83.0 8 7 1
82.5 2 6
82.0 1 1 6 5 1
81.5 5 10
81.0 1 9
80.5 2 11 11
80.0 1 1 2 8
79.5 9 7 1
79.0 1 6 8
78.5 1 6 12 1
78.0 1 1 6 11
77.5 1 7 4
77.0 1 8 3 2
76.5 2 2 9 1
76.0 1 8 6
75.5 1 3 10
75.0 2 4
74.5 1 10 15 2
74.0 4 11 2
73.5 1 8 7 1
73.0 1 4 9
72.5 1 7 8 2
72.0 5 4 1
71.5 1 1 1 8 6
71.0 10 11 1
70.5 7 9
70.0 1 5 3
69.5 1 8 4 2
69.0 4 4
68.5 1 1 5 6 3
68.0 1 5 9
67.5 1 9 5 1
67.0 5 3 1
66.5 1 5 1 2
66.0 1 10 3
65.5 1 3 4
65.0 8 7 1
64.5 5 7
64.0 4 4 1
63.5 7 6 1
63.0 2 2
62.5 1 7 4 1
62.0 3 1 1
61.5 1 3 3 4
61.0 1 6 4 1
60.5 2 1
60.0 4 4 1
59.5 1 1 4 2 1
59.0 3 2
58.5 4 1 1
58.0 4 2
57.5 3 1
57.0 2
56.5 7 3
56.0 4 3
55.5 3
55.0 2 3
54.5 2 3
54.0 4 7 1
53.5 3 1
53.0 1 3
52.5 2 1
52.0 1 1 1
51.5 2
51.0 3 1
50.5 1 1
50.0 4 1
49.5 1 4 1
49.0 1 1
48.5 1 1
48.0 4 1
47.5 1
46.5 1
46.0 1 1
45.5 1
45.0 1
44.5 2 1
44.0 1
43.5 1 1 1
42.0 1 3
41.5 1
40.5 1
39.0 1 1
37.0 1
36.5 1
36.0 2 2
35.5 1
31.5 1
30.5 1
30.0 2
26.5 1
24.0 1
18.0 1
American Mathematics Competitions
2006 AMC 10 A Results for Indiana
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 9.96* 0.00 0.00 0.03 0.00 0.01 0.00
2 1.23 0.19 2.62* 0.13 1.97 3.87 0.00
3 0.03 8.51* 0.10 0.01 1.29 0.06 0.00
4 2.14 0.14 0.04 0.07 7.25* 0.37 0.00
5 0.19 1.16 1.09 6.98* 0.20 0.37 0.01
6 0.15 8.25* 0.19 0.10 0.07 1.25 0.00
7 7.48* 0.09 0.40 0.30 0.24 1.49 0.00
8 0.94 0.43 0.37 0.23 2.36* 5.67 0.00
9 1.61 1.44 5.86* 0.27 0.15 0.68 0.00
10 0.26 0.21 0.79 2.85 0.94* 4.95 0.00
11 1.55 1.26 1.50* 0.84 0.93 3.92 0.00
12 0.83 0.34 4.82* 1.01 0.30 2.71 0.00
13 0.34 1.19 0.26 5.39* 0.14 2.67 0.00
14 1.71 3.86* 0.30 1.04 0.68 2.40 0.01
15 0.96 0.37 0.42 1.63* 0.54 6.08 0.00
16 0.22 0.20 0.44 0.37* 0.67 8.09 0.01
17 1.85* 0.39 0.34 0.46 0.25 6.70 0.00
18 1.97 0.22 2.97* 0.37 0.19 4.28 0.00
19 0.38 1.59 0.98* 0.24 0.32 6.47 0.00
20 0.41 1.08 0.30 0.37 0.66* 7.19 0.00
21 0.96 0.68 0.34 0.54 1.27* 6.21 0.00
22 0.11 0.91 3.17* 3.68 0.76 1.36 0.01
23 0.57 1.45* 0.17 0.29 0.56 6.95 0.00
24 0.79 0.41* 0.34 0.24 0.33 7.89 0.01
25 2.27 0.60 0.58* 0.31 0.26 5.96 0.01
(*) 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 Indiana
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 15 5
149.0 124.0 1 99.0 1
148.5 123.5 98.5 5 9
148.0 123.0 98.0 13 5
147.5 122.5 97.5 1
147.0 122.0 4 97.0 14 7
146.5 121.5 96.5 2
146.0 121.0 96.0 15 8
145.5 120.5 2 95.5 5 4
145.0 120.0 1 95.0 15 5
144.5 119.5 5 94.5 12 9
144.0 119.0 94.0 2
143.5 118.5 7 1 93.5 21 6
143.0 1 118.0 93.0 6
142.5 117.5 92.5 14 5
142.0 117.0 92.0 7 10
141.5 116.5 91.5 1 2
141.0 116.0 7 4 91.0 12 9
140.5 115.5 90.5 1 1
140.0 115.0 7 3 90.0 17 4
139.5 114.5 1 89.5 8 3
139.0 114.0 89.0 14 8
138.5 113.5 1 2 88.5 14 7
138.0 113.0 88.0 1
137.5 112.5 25 6 87.5 14 11
137.0 112.0 87.0 3 3
136.5 111.5 2 86.5 6 16
136.0 2 111.0 86.0 12 6
135.5 110.5 85.5 1
135.0 110.0 8 3 85.0 16 7
134.5 109.5 1 84.5 4 2
134.0 109.0 12 7 84.0 23 15
133.5 1 108.5 1 83.5 3 3
133.0 108.0 6 1 83.0 12 12
132.5 2 1 107.5 1 2 82.5 9 10
132.0 107.0 82.0 2 4
131.5 106.5 17 2 81.5 19 7
131.0 106.0 1 81.0 8 6
130.5 105.5 6 80.5 13 11
130.0 105.0 2 1 80.0 9 5
129.5 104.5 6 1 79.5 1 8
129.0 1 104.0 10 2 79.0 11 8
128.5 103.5 78.5 5 3
128.0 103.0 17 8 78.0 19 11
127.5 102.5 1 77.5 3 3
127.0 102.0 10 3 77.0 14 12
126.5 2 101.5 6 1 76.5 10 6
126.0 101.0 8 4 76.0 3 6
125.5 1 100.5 15 8 75.5 10 13
American Mathematics Competitions
2006 AMC 12 A Results for Indiana
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 3 4 50.0 2 25.0
74.5 8 8 49.5 1 24.5
74.0 6 4 49.0 1 24.0 2
73.5 4 5 48.5 1 23.5
73.0 9 9 48.0 1 23.0
72.5 2 6 47.5 1 22.5
72.0 15 21 47.0 1 1 22.0
71.5 3 3 46.5 1 21.5
71.0 8 4 46.0 21.0
70.5 4 5 45.5 2 20.5
70.0 3 5 45.0 20.0
69.5 6 12 44.5 1 19.5
69.0 1 4 44.0 1 19.0
68.5 5 7 43.5 2 18.5
68.0 1 2 43.0 1 18.0
67.5 5 2 42.5 17.5
67.0 7 9 42.0 4 1 17.0
66.5 1 4 41.5 16.5
66.0 5 7 41.0 16.0
65.5 1 40.5 15.5
65.0 6 5 40.0 15.0
64.5 5 5 39.5 14.5
64.0 2 5 39.0 14.0
63.5 3 8 38.5 1 13.5
63.0 1 2 38.0 13.0
62.5 10 2 37.5 1 12.5
62.0 2 4 37.0 12.0
61.5 6 36.5 11.5
61.0 7 7 36.0 1 2 11.0
60.5 1 35.5 10.5
60.0 3 6 35.0 10.0
59.5 2 4 34.5 9.5
59.0 2 6 34.0 1 1 9.0
58.5 1 1 33.5 8.5
58.0 2 33.0 8.0
57.5 3 32.5 1 7.5
57.0 32.0 7.0
56.5 3 2 31.5 6.5
56.0 3 31.0 6.0
55.5 1 1 30.5 5.5
55.0 1 30.0 5.0
54.5 2 29.5 4.5
54.0 3 4 29.0 4.0
53.5 2 28.5 3.5
53.0 28.0 3.0
52.5 3 2 27.5 2.5
52.0 2 27.0 2.0
51.5 1 1 26.5 1.5
51.0 3 26.0 1.0
50.5 1 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 12 A Results for Indiana
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
150.0 1
143.0 1
136.0 1 1
133.5 1
132.5 1 2
129.0 1
126.5 1 1
125.5 1
124.0 1
122.0 1 2 1
120.5 1 1
120.0 1
119.5 1 3 1
118.5 2 2 4
116.0 2 3 6
115.0 1 1 8
114.5 1
113.5 2 1
112.5 1 14 17
111.5 3
110.0 8 3
109.5 1
109.0 4 10 6
108.5 1
108.0 5 2
107.5 1 2
106.5 1 5 13
106.0 1
105.5 2 4 1
105.0 1 2
104.5 7
104.0 1 6 5
103.0 1 14 11
102.5 1
102.0 2 12
101.5 1 5 1
101.0 1 5 7
100.5 1 8 15
99.5 1 10 9
99.0 1
98.5 1 1 5 7
98.0 9 9
97.5 1
97.0 2 9 10
96.5 2
96.0 2 10 11
95.5 1 1 7
95.0 8 13
94.5 1 4 16
94.0 1 1
93.5 1 12 14
93.0 2 4
92.5 1 7 12
92.0 1 8 8
91.5 2 1
91.0 11 10
90.5 2
90.0 8 14
89.5 6 5 1
89.0 10 13
88.5 2 10 10
88.0 1
87.5 2 10 13
87.0 4 2
86.5 1 12 10
86.0 3 8 7 1
85.5 2
85.0 8 15
84.5 1 5 1
84.0 2 13 23 2
83.5 4 2
83.0 8 17 1
82.5 12 9
82.0 2 4
81.5 1 12 13
81.0 5 9
80.5 1 11 12
80.0 8 7 1
79.5 6 4 1
79.0 8 13
78.5 4 4
78.0 1 15 14
77.5 4 2
77.0 2 13 11 1
76.5 3 9 5
76.0 1 4 4 1
75.5 1 14 8
75.0 1 5 1 1 1
74.5 2 7 7
74.0 2 9 1
73.5 5 4
73.0 2 12 4 1
72.5 5 3
72.0 1 21 14
71.5 1 5 1
71.0 2 5 6 1
70.5 1 8
70.0 1 5 2
69.5 10 9
69.0 4 1
68.5 6 6
68.0 1 3
67.5 3 4
67.0 8 8
66.5 2 3 1
66.0 1 5 6 2
65.5 1 1
65.0 9 2
64.5 1 6 3
64.0 6 1
63.5 1 6 4
63.0 1 2 1
62.5 6 7
62.0 3 3
61.5 1 1 4 1
61.0 1 10 3 1
60.5 1 2
60.0 1 7 2
59.5 1 3 2 1
59.0 1 4 3 1
58.5 1 1
58.0 1 1
57.5 1 2
56.5 4 1
56.0 2 1 1
55.5 2 1
55.0 1
54.5 1 1
54.0 5 2
53.5 1 1
52.5 5
52.0 2
51.5 2
51.0 2 1
50.5 1 1
50.0 1 1
49.5 1
49.0 1
48.5 1
48.0 1
47.5 1
47.0 1 1
46.5 1
45.5 2
44.5 2
44.0 1
43.5 2
43.0 1
42.0 1 4
38.5 1
37.5 1
36.5 1
36.0 1 2 1
34.0 1 1
32.5 1
24.0 2
American Mathematics Competitions
2006 AMC 12 A Results for Indiana
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 9.93* 0.01 0.01 0.03 0.00 0.01 0.00
2 1.53 0.18 4.40* 0.07 0.90 2.92 0.00
3 0.03 8.88* 0.03 0.02 0.98 0.05 0.00
4 1.83 0.12 0.05 0.05 7.73* 0.21 0.00
5 0.14 0.68 0.88 7.82* 0.09 0.31 0.08
6 7.63* 0.11 0.30 0.18 0.34 1.44 0.00
7 0.71 5.36* 0.77 0.55 0.42 2.20 0.00
8 1.12 1.33 6.72* 0.24 0.10 0.49 0.00
9 8.27* 0.18 0.06 0.04 0.31 1.14 0.00
10 0.37 0.16 0.74 3.45 1.88* 3.40 0.00
11 1.89 1.02 2.18* 1.01 0.67 3.23 0.00
12 1.66 5.69* 0.14 0.73 0.28 1.51 0.00
13 0.55 0.10 0.15 0.13 5.46* 3.61 0.00
14 0.08 0.49 5.09* 2.66 0.31 1.37 0.00
15 3.39* 1.65 0.29 0.62 1.74 2.32 0.00
16 0.30 3.56* 0.14 0.22 0.61 5.17 0.00
17 0.34 0.68* 0.47 0.37 0.10 8.04 0.00
18 1.44 0.07 0.31 0.64 0.57* 6.97 0.00
19 0.09 0.13 0.18 0.12 0.29* 9.19 0.00
20 2.29 0.76 0.47* 0.21 0.15 6.13 0.00
21 0.12 0.10 0.42 0.14 0.17* 9.06 0.00
22 0.12 0.09 0.13 0.17* 0.08 9.41 0.00
23 0.13 0.14* 0.16 0.05 0.21 9.31 0.00
24 1.17 0.15 0.24 0.23* 0.12 8.10 0.00
25 0.12 0.18 0.17 0.17 0.11* 9.25 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 Indiana
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 1
149.0 124.0 1 99.0
148.5 123.5 98.5 1
148.0 123.0 98.0 1 2
147.5 122.5 97.5
147.0 122.0 97.0 2
146.5 1 121.5 1 96.5
146.0 121.0 96.0 2
145.5 120.5 95.5 1
145.0 120.0 95.0 1
144.5 119.5 94.5
144.0 1 119.0 94.0
143.5 118.5 93.5 5
143.0 118.0 93.0
142.5 117.5 92.5 3 2
142.0 117.0 1 1 92.0 3
141.5 116.5 91.5 1 1
141.0 116.0 91.0 1
140.5 1 115.5 90.5
140.0 115.0 90.0 2 3
139.5 114.5 89.5 1 1
139.0 114.0 89.0 3
138.5 113.5 88.5 2
138.0 1 113.0 88.0 1
137.5 112.5 87.5 2 2
137.0 112.0 1 87.0 1
136.5 111.5 86.5 3 1
136.0 1 111.0 1 86.0 2
135.5 110.5 85.5 1 1
135.0 110.0 3 1 85.0 2 1
134.5 109.5 84.5 1
134.0 109.0 84.0 1
133.5 108.5 1 83.5 1
133.0 108.0 83.0 1 1
132.5 107.5 1 82.5 2 2
132.0 1 107.0 82.0 1
131.5 106.5 1 81.5 5 1
131.0 106.0 81.0
130.5 105.5 1 80.5 4
130.0 105.0 1 80.0 2
129.5 104.5 79.5 1 1
129.0 104.0 2 1 79.0 5
128.5 103.5 78.5 2
128.0 103.0 1 2 78.0 2 2
127.5 1 102.5 77.5 1 1
127.0 102.0 77.0 5 1
126.5 1 101.5 1 76.5 2 4
126.0 101.0 76.0 6 4
125.5 100.5 75.5 4 1
American Mathematics Competitions
2006 AMC 10 B Results for Indiana
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 1 50.0 3 1 25.0
74.5 3 5 49.5 4 6 24.5 1
74.0 5 3 49.0 2 5 24.0 2
73.5 1 10 48.5 3 5 23.5
73.0 3 1 48.0 7 5 23.0 1
72.5 1 1 47.5 2 4 22.5
72.0 3 1 47.0 3 3 22.0
71.5 1 2 46.5 1 4 21.5
71.0 5 4 46.0 3 3 21.0
70.5 3 3 45.5 3 7 20.5
70.0 2 2 45.0 3 3 20.0
69.5 6 3 44.5 3 1 19.5
69.0 4 2 44.0 2 1 19.0
68.5 2 2 43.5 1 3 18.5 1
68.0 4 2 43.0 2 2 18.0 2
67.5 5 6 42.5 17.5
67.0 3 4 42.0 4 6 17.0
66.5 3 2 41.5 1 2 16.5
66.0 5 3 41.0 2 16.0
65.5 1 4 40.5 3 2 15.5
65.0 4 9 40.0 1 15.0
64.5 1 4 39.5 1 1 14.5
64.0 6 2 39.0 2 2 14.0
63.5 3 4 38.5 3 13.5
63.0 2 3 38.0 1 1 13.0
62.5 5 1 37.5 1 1 12.5
62.0 2 4 37.0 2 4 12.0 2
61.5 6 4 36.5 2 3 11.5
61.0 7 4 36.0 3 6 11.0
60.5 2 6 35.5 2 10.5
60.0 4 8 35.0 1 2 10.0
59.5 3 3 34.5 2 2 9.5
59.0 1 4 34.0 2 9.0
58.5 2 5 33.5 1 2 8.5
58.0 3 5 33.0 1 8.0
57.5 1 6 32.5 1 7.5
57.0 2 2 32.0 7.0
56.5 4 6 31.5 1 6.5
56.0 4 3 31.0 2 6.0
55.5 3 4 30.5 1 5.5
55.0 3 5 30.0 2 5 5.0
54.5 1 7 29.5 2 4.5
54.0 6 7 29.0 4.0
53.5 6 4 28.5 1 3.5
53.0 2 4 28.0 3.0
52.5 1 9 27.5 2.5
52.0 1 7 27.0 2 1 2.0
51.5 2 5 26.5 1.5
51.0 3 26.0 1.0
50.5 7 3 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 B Results for Indiana
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
146.5 1
144.0 1
140.5 1
138.0 1
136.0 1
132.0 1
127.5 1
126.5 1
124.0 1
121.5 1
117.0 1 1
112.0 1
111.0 1
110.0 1 3
108.5 1
107.5 1
106.5 1
105.5 1
105.0 1
104.0 2 1
103.0 2 1
101.5 1
99.5 1
98.5 2
98.0 1 2 1
97.0 1 1
96.0 2 1
95.5 1
95.0 1
93.5 1 4 1
92.5 3 2
92.0 3
91.5 1 1 1
91.0 2
90.0 3 2
89.5 1 1
89.0 1 2
88.5 1 1
88.0 1 1
87.5 1 1 2
87.0 1
86.5 1 3
86.0 1 1
85.5 1 1
85.0 3
84.5 1 1
84.0 1 1
83.5 1
83.0 2
82.5 1 3
82.0 1
81.5 1 1 4
81.0 1
80.5 1 3
80.0 1 1
79.5 1 1 1
79.0 1 2 2
78.5 2
78.0 1 4
77.5 1 1
77.0 1 7
76.5 1 5
76.0 1 3 6
75.5 4 1
75.0 1
74.5 1 7
74.0 1 7
73.5 7 5
73.0 2 2
72.5 1 1
72.0 1 3
71.5 1 3
71.0 6 4
70.5 1 3 2
70.0 2 2
69.5 3 7
69.0 2 4
68.5 1 3
68.0 3 4
67.5 6 7
67.0 1 6
66.5 3 2
66.0 4 6
65.5 1 4
65.0 1 6 8
64.5 1 2 2
64.0 1 5 3
63.5 6 2
63.0 3 3
62.5 6 2
62.0 2 5
61.5 7 4
61.0 7 4
60.5 1 3 3 1
60.0 8 4
59.5 3 3
59.0 2 3
58.5 1 3 4
58.0 2 6
57.5 2 2 3
57.0 2 1 1
56.5 1 3 6
56.0 3 4
55.5 4 3
55.0 5 3
54.5 4 4
54.0 7 6
53.5 7 5
53.0 4 3
52.5 1 7 3
52.0 1 6 1
51.5 1 6
51.0 2 2
50.5 7 3
50.0 1 4 1
49.5 1 3 6
49.0 4 3
48.5 1 7
48.0 8 7
47.5 5 1
47.0 2 4
46.5 2 3
46.0 1 4 3
45.5 5 6
45.0 1 1 5
44.5 4 1
44.0 1 2
43.5 4
43.0 4
42.0 7 3
41.5 1 2
41.0 1 1
40.5 3 3
40.0 1
39.5 1 1
39.0 3 1
38.5 2 1
38.0 2
37.5 3
37.0 4 2
36.5 1 3 1
36.0 7 2
35.5 2
35.0 1 2
34.5 1 3
34.0 2 1
33.5 3 2
33.0 2
32.5 1
31.5 1
31.0 2
30.5 1
30.0 1 5 2 1
29.5 2
28.5 1
28.0 1
27.0 1 2
24.5 1
24.0 1 1 1
23.0 1
18.5 1
18.0 1 1
12.0 2
American Mathematics Competitions
2006 AMC 10 B Results for Indiana
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 1.21 0.73 4.41* 1.88 0.97 0.81 0.00
2 4.21* 0.75 0.26 0.24 0.34 4.19 0.00
3 7.52* 0.29 0.03 1.63 0.38 0.15 0.00
4 1.63 2.42 0.45 2.46* 1.81 1.21 0.01
5 0.94 4.86* 2.20 0.33 0.11 1.56 0.00
6 0.78 0.40 3.31 2.54* 0.53 2.44 0.00
7 1.79* 1.40 1.44 1.39 0.78 3.19 0.00
8 1.52 0.87* 0.25 1.92 0.70 4.73 0.00
9 0.20 7.19* 0.13 0.11 1.40 0.97 0.00
10 2.28* 0.44 1.60 0.21 2.41 3.06 0.00
11 0.38 0.60 1.87* 0.65 0.49 6.01 0.00
12 0.46 0.46 0.29 0.64 3.59* 4.56 0.00
13 0.77 0.24 2.75 0.77 2.68* 2.79 0.00
14 0.30 0.41 0.36 0.49* 0.03 8.41 0.00
15 0.73 0.54 1.39* 0.33 0.45 6.56 0.00
16 2.13 0.65 2.20 0.91 1.52* 2.58 0.00
17 2.87 1.30 1.77 2.03* 0.17 1.84 0.01
18 0.74 0.50 1.06 0.41 0.79* 6.48 0.01
19 0.44* 0.57 0.30 0.26 0.28 8.15 0.00
20 0.52 0.60 0.42 0.66 0.77* 7.02 0.01
21 0.54 0.56 0.85* 1.99 0.78 5.28 0.00
22 0.45 0.78 2.12 0.82* 0.17 5.66 0.00
23 0.33 0.85 0.32 0.44* 0.46 7.60 0.00
24 0.25 0.86* 0.82 0.46 0.25 7.35 0.00
25 0.32 2.26* 0.29 1.79 0.56 4.78 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 Indiana
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 7
149.0 124.0 1 99.0 2
148.5 123.5 98.5 15 6
148.0 123.0 1 98.0 2
147.5 122.5 97.5 4 1
147.0 122.0 2 97.0 5
146.5 121.5 1 96.5
146.0 121.0 96.0 9 7
145.5 120.5 2 95.5 1
145.0 120.0 95.0 21 7
144.5 119.5 1 94.5 1
144.0 119.0 94.0 4 3
143.5 118.5 1 93.5 4 4
143.0 118.0 93.0
142.5 117.5 92.5 25 7
142.0 117.0 2 92.0 1 1
141.5 116.5 91.5 7 6
141.0 116.0 3 91.0 4 3
140.5 115.5 90.5 3 5
140.0 115.0 3 2 90.0 6 7
139.5 1 114.5 1 89.5
139.0 114.0 89.0 27 9
138.5 113.5 88.5 5 2
138.0 113.0 88.0 8 4
137.5 112.5 5 1 87.5 7 5
137.0 112.0 87.0 3 2
136.5 111.5 1 2 86.5 9 6
136.0 111.0 86.0 1 1
135.5 110.5 85.5 17 4
135.0 110.0 3 85.0 4 4
134.5 109.5 1 84.5 6 9
134.0 109.0 84.0 10 7
133.5 108.5 83.5 2 2
133.0 108.0 7 5 83.0 19 11
132.5 1 1 107.5 2 82.5 5 4
132.0 107.0 82.0 3 7
131.5 106.5 7 2 81.5 5 2
131.0 106.0 81.0 6 4
130.5 105.5 6 2 80.5 14 13
130.0 105.0 1 80.0 3 4
129.5 104.5 3 2 79.5 11 11
129.0 3 104.0 4 79.0 4 3
128.5 1 103.5 78.5 12 7
128.0 103.0 6 1 78.0 4 7
127.5 1 102.5 77.5 2 5
127.0 102.0 17 3 77.0 11 7
126.5 101.5 76.5 2 3
126.0 101.0 16 10 76.0 9 13
125.5 1 100.5 5 1 75.5 3 1
American Mathematics Competitions
2006 AMC 12 B Results for Indiana
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 8 7 50.0 1 2 25.0
74.5 4 7 49.5 1 3 24.5
74.0 3 4 49.0 24.0 1 3
73.5 5 15 48.5 1 23.5
73.0 3 4 48.0 5 2 23.0 1
72.5 3 7 47.5 2 22.5
72.0 7 8 47.0 3 22.0
71.5 5 9 46.5 1 21.5
71.0 6 14 46.0 3 21.0
70.5 6 2 45.5 20.5
70.0 8 5 45.0 1 1 20.0
69.5 1 5 44.5 1 1 19.5
69.0 6 5 44.0 1 19.0
68.5 4 6 43.5 1 18.5
68.0 1 3 43.0 1 18.0 1 1
67.5 4 10 42.5 1 17.5
67.0 4 42.0 3 2 17.0
66.5 5 4 41.5 1 16.5
66.0 4 7 41.0 1 2 16.0
65.5 1 5 40.5 1 15.5
65.0 8 8 40.0 15.0
64.5 1 3 39.5 1 14.5
64.0 2 3 39.0 1 14.0
63.5 1 6 38.5 13.5
63.0 3 5 38.0 13.0
62.5 3 7 37.5 1 12.5
62.0 2 6 37.0 12.0
61.5 2 2 36.5 11.5
61.0 2 5 36.0 2 1 11.0
60.5 2 6 35.5 10.5
60.0 5 11 35.0 10.0
59.5 3 2 34.5 1 9.5
59.0 3 5 34.0 9.0
58.5 2 33.5 8.5
58.0 2 4 33.0 8.0
57.5 2 32.5 7.5
57.0 2 5 32.0 7.0
56.5 3 31.5 6.5
56.0 1 1 31.0 6.0
55.5 2 1 30.5 5.5
55.0 2 2 30.0 2 5.0
54.5 1 2 29.5 4.5
54.0 1 29.0 4.0
53.5 1 28.5 3.5
53.0 1 28.0 3.0
52.5 3 2 27.5 2.5
52.0 1 3 27.0 2.0
51.5 3 26.5 1.5
51.0 3 1 26.0 1.0
50.5 4 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 12 B Results for Indiana
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
139.5 1
136.0 1
132.5 1 1
129.0 1 1 1
128.5 1
127.5 1
125.5 1
124.0 1
123.0 1
122.0 1 1 1
121.5 1
120.5 1 1
119.5 1
118.5 1
117.0 1 1 1
116.0 1 2
115.0 2 2 1
114.5 1
112.5 2 2 2
111.5 1 1 1 1
110.0 2 1
109.5 1
108.0 2 4 1 5
107.5 2
106.5 2 2 4 1
105.5 4 4
105.0 1 1
104.5 1 2 3
104.0 2 2
103.0 1 2 5
102.0 2 4 5 9
101.0 2 13 11
100.5 1 2 3
99.5 3 4
99.0 1 1
98.5 2 8 12
98.0 2
97.5 1 3 2
97.0 5 1
96.0 1 8 9
95.5 1
95.0 2 15 14
94.5 1
94.0 5 2
93.5 1 3 4
92.5 2 3 14 14
92.0 1 1
91.5 2 4 7
91.0 3 5
90.5 1 1 3 3
90.0 1 2 7 3
89.0 2 19 15 1
88.5 1 1 5
88.0 1 6 5
87.5 1 1 4 6
87.0 1 1 3
86.5 2 1 6 7
86.0 2 1
85.5 1 3 7 11 1
85.0 1 2 6
84.5 1 2 5 8 1
84.0 2 8 7
83.5 3 1
83.0 1 3 10 17
82.5 6 3
82.0 2 1 6 1
81.5 1 1 5 1 1
81.0 1 8 1
80.5 2 1 9 16
80.0 1 3 3
79.5 1 12 10
79.0 3 4
78.5 1 11 7
78.0 6 5
77.5 3 2 2
77.0 4 7 8 1
76.5 2 3 1
76.0 1 6 10 5 1
75.5 2 2
75.0 1 5 8 2
74.5 3 4 3 1
74.0 1 3 3
73.5 4 10 6
73.0 2 5
72.5 1 3 7
72.0 1 5 9
71.5 6 5 3 1
71.0 1 6 6 7
70.5 2 3 4
70.0 3 5 5
69.5 4 2
69.0 4 5 2
68.5 1 3 5 2
68.0 1 2 1
67.5 2 3 5 5
67.0 1 2 2
66.5 2 6 2
66.0 1 7 3 1
65.5 2 2 2
65.0 12 4
64.5 1 2 1
64.0 1 4
63.5 3 4
63.0 2 2 3 1
62.5 1 2 5 2 8
62.0 1 3 4
61.5 2 1 1
61.0 2 2 3
60.5 6 2
60.0 3 8 6
59.5 1 3 1
59.0 3 5
58.5 1 1
58.0 1 2 3
57.5 1 2
57.0 2 3 2
56.5 2 1
56.0 2
55.5 1 2
55.0 3 1
54.5 3
54.0 1
53.5 1
53.0 1
52.5 5
52.0 1 1 2
51.5 1 2
51.0 4
50.5 1 1 2
50.0 1 2
49.5 1 2 1
48.5 1
48.0 3 4
47.5 2
47.0 1 2
46.5 1
46.0 2 1
45.0 2
44.5 2
44.0 1
43.5 2
43.0 1
42.5 1
42.0 1 2 1 1
41.5 1
41.0 1 2
40.5 1
39.5 1
39.0 1
37.5 1
36.0 1 1 1
34.5 1
30.0 2
24.0 2 2
23.0 1
18.0 2
American Mathematics Competitions
2006 AMC 12 B Results for Indiana
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 0.65 0.42 7.16* 0.87 0.59 0.32 0.00
2 6.24* 0.62 0.10 0.14 0.27 2.63 0.00
3 7.99* 0.23 0.03 1.23 0.31 0.22 0.00
4 9.15* 0.25 0.10 0.23 0.05 0.21 0.00
5 6.19* 1.00 0.33 0.21 0.25 2.01 0.00
6 0.11 8.16* 0.08 0.08 0.92 0.65 0.00
7 0.48 8.15* 0.48 0.41 0.14 0.35 0.00
8 0.21 0.24 0.36 0.39 5.73* 3.07 0.01
9 0.42 3.91* 0.33 0.90 0.39 4.04 0.01
10 2.68* 0.35 1.35 0.15 2.69 2.77 0.00
11 0.82 0.21 1.61 0.66 3.67* 3.02 0.00
12 0.43 0.37 0.32 0.70* 0.59 7.59 0.00
13 0.63 0.41 1.96* 0.23 0.37 6.41 0.00
14 0.16 0.48 2.43 1.52* 0.14 5.27 0.00
15 0.20 1.47* 0.70 0.30 0.31 7.02 0.00
16 0.17 0.18 0.78* 0.22 0.20 8.45 0.00
17 0.34 0.31 0.70* 1.78 0.50 6.36 0.00
18 0.54 0.70* 1.03 0.42 0.17 7.15 0.00
19 0.13 2.12* 0.18 1.52 0.26 5.79 0.00
20 0.19 0.25 0.20* 0.14 0.49 8.74 0.00
21 0.25 0.14 0.16* 0.08 0.14 9.24 0.00
22 0.11 0.41* 0.28 0.17 0.03 9.01 0.00
23 0.31 0.30 0.29 0.24 0.15* 8.72 0.00
24 0.19 0.12 0.14* 0.20 0.10 9.25 0.00
25 0.13 0.24* 0.14 0.20 0.14 9.17 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column