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Missing Title
American Mathematics Competitions
2006 AMC 10 A Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1211
Number of unofficial participants: 0
Average score of participants: 69.8
Average score for female students is: 67.3 ( 603 Students)
Average score for male students is: 72.6 ( 549 Students)
Average score for unspecified gender is 70.5 ( 59 Students)
Average score for grade 10 is: 71.4 ( 607 Students)
Average score for grade 9 is: 66.9 ( 549 Students)
Average score for grade 8 and below is: 87.8 ( 28 Students)
Average score with unknown grade: 76.2 ( 27 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 11
Number of schools returning results 42
Average school winning score 100.92
American Mathematics Competitions
2006 AMC 12 A Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1456
Number of unofficial participants: 28
Average score of participants: 75.7
Average score for female students is: 72.4 ( 632 Students)
Average score for male students is: 79.1 ( 740 Students)
Average score for unspecified gender is 70.3 ( 84 Students)
Average score for grade 12 is: 77.6 ( 611 Students)
Average score for grade 11 is: 74.0 ( 668 Students)
Average score for grade 10 is: 77.5 ( 91 Students)
Average score for grade 9 is: 84.8 ( 36 Students)
Average score for grade 8 and below is: 61.0 ( 1 Student)
Average score with unknown grade: 65.9 ( 49 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 125
Number of schools returning results 47
Average school winning score 103.70
Average school team score 294.77
American Mathematics Competitions
2006 AMC 10 B Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 452
Number of unofficial participants: 19
Average score of participants: 61.5
Average score for female students is: 59.0 ( 215 Students)
Average score for male students is: 64.5 ( 213 Students)
Average score for unspecified gender is 57.3 ( 24 Students)
Average score for grade 10 is: 64.5 ( 224 Students)
Average score for grade 9 is: 59.2 ( 210 Students)
Average score for grade 8 and below is: 51.1 ( 7 Students)
Average score with unknown grade: 52.0 ( 11 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 3
Number of schools returning results 19
Average school winning score 92.47
American Mathematics Competitions
2006 AMC 12 B Results for Nebraska
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 571
Number of unofficial participants: 23
Average score of participants: 75.6
Average score for female students is: 71.9 ( 290 Students)
Average score for male students is: 78.9 ( 257 Students)
Average score for unspecified gender is 84.4 ( 24 Students)
Average score for grade 12 is: 79.2 ( 201 Students)
Average score for grade 11 is: 73.6 ( 296 Students)
Average score for grade 10 is: 69.8 ( 42 Students)
Average score for grade 9 is: 76.9 ( 22 Students)
Average score with unknown grade: 82.1 ( 10 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 50
Number of schools returning results 24
Average school winning score 101.81
Average school team score 291.46
2006 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
372.5 1 1
347.0 1 2
341.0 1 3
340.0 1 4
339.5 1 5
338.5 3 6
335.5 1 9
334.5 1 10
332.5 1 11
329.5 1 12
327.0 1 13
326.5 1 14
325.5 1 15
323.0 1 16
321.5 1 17
320.5 1 18
318.0 1 19
316.5 1 20
314.5 1 21
313.0 1 22
306.0 1 23
305.5 1 24
303.5 1 25
302.0 1 26
301.5 1 27
301.0 3 1 28
300.0 1 32
299.5 1 33
296.5 1 34
293.5 1 35
293.0 1 36
290.5 1 37
290.0 2 38
289.5 2 40
287.0 1 42
283.5 1 43
282.5 1 44
279.5 1 45
279.0 1 46
277.5 1 47
276.5 1 48
275.5 2 49
274.5 1 51
271.5 1 1 52
270.0 1 54
269.5 1 55
269.0 1 1 56
267.0 1 58
266.5 1 1 59
263.5 1 61
260.0 1 1 62
259.0 1 64
255.0 1 65
254.0 1 66
247.5 1 67
246.5 1 68
245.0 1 69
241.0 1 70
158.0 1 71
2006 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
138.0 1
136.0 1
133.5 1
130.0 1 1
127.5 1
126.5 1
125.5 1
123.0 1 1 1
122.5 1
122.0 1
121.5 2
120.5 2 1
119.5 1 1
119.0 1
118.5 3 1
116.0 4 1 1
115.5 1
115.0 3 2 1
114.5 2 1
113.5 2 1 1
112.5 7 2 1
111.5 4 2 1
111.0 1 1 1
110.0 6 4 1
109.5 2
109.0 6 2 2
108.5 1
108.0 2 6
107.5 4 2 2
106.5 11 3 1 1
106.0 2
105.5 9 6 1
105.0 1 1
104.5 1 3 1
104.0 6 1
103.0 14 5 5
102.5 3
102.0 8 4 1
101.5 6 4 2
101.0 5 6 1
100.5 18 2 2
100.0 1
99.5 13 4 6 1
99.0 2 3
98.5 11 9 2 1
98.0 10 5 1
97.5 6
97.0 8 4 5
96.5 2 3
96.0 14 4 3 1
95.5 2 7
95.0 8 10 6 1
94.5 12 2 11 1
94.0 1 3
93.5 9 7 2 2
93.0 2 2
92.5 14 11 4 1
92.0 10 1 8
91.5 8 9 2 3
91.0 19 1 9 2
90.5 2 2 10
90.0 18 10 5 2
89.5 3 7
89.0 11 11 5 5
88.5 14 1 8 1
88.0 7 12 7 2
87.5 20 2 9 1
87.0 6 2 4
86.5 26 18 13 2
86.0 7 10 1
85.5 11 5 15 1
85.0 20 4 9
84.5 15 9 8 1
84.0 24 7 4 3
83.5 5 4 7 1
83.0 28 13 21 3
82.5 10 2 1
82.0 16 8 6 1
81.5 20 4 19 1
81.0 13 2 7
80.5 31 6 22 3
80.0 8 4 11 1
79.5 24 8 15 2
79.0 16 4 10 1
78.5 18 8 12 5
78.0 27 8 22 4
77.5 12 8 16 2
77.0 27 12 22 5
76.5 13 4 9
76.0 15 2 9 1
75.5 17 2 9 5
75.0 14 6 12 2
74.5 20 8 15 2
74.0 10 6 13 3
73.5 24 11 21 5
73.0 13 5 7 5
72.5 19 5 16 4
72.0 19 7 10 6
71.5 7 4 10 2
71.0 23 6 20 6
70.5 17 2 11 1
70.0 15 6 18 6
69.5 15 4 9 3
69.0 13 7 14 3
68.5 18 2 16 9
68.0 7 11 5 4
67.5 23 7 14 2
67.0 14 5 14 4
66.5 14 7 16 5
66.0 22 5 17 8
65.5 16 6 9 4
65.0 25 5 16 8
64.5 16 6 6
64.0 13 6 17 4
63.5 12 1 10 2
63.0 6 3 15 8
62.5 13 3 15 7
62.0 11 2 16 11
61.5 18 3 14 4
61.0 11 3 10 5
60.5 5 5 11 6
60.0 18 4 15 11
59.5 4 7 14 11
59.0 9 4 13 4
58.5 11 5 10 5
58.0 6 2 11 4
57.5 6 2 7 3
57.0 7 5 12 8
56.5 5 2 6 7
56.0 5 3 8 8
55.5 7 6 12 8
55.0 5 6 5 3
54.5 8 4 8 8
54.0 14 7 17 5
53.5 7 2 8 4
53.0 4 3 10 6
52.5 5 2 6 3
52.0 6 6 9 6
51.5 2 3 10 4
51.0 5 1 5 3
50.5 2 5 5 5
50.0 5 2 8 5
49.5 6 2 5
49.0 1 3 9 2
48.5 2 2 4 3
48.0 8 3 15 4
47.5 6 9 6
47.0 5 4 3 3
46.5 2 2 6 1
46.0 4 2 7 4
45.5 2 1 1 1
45.0 2 3 5
44.5 1 6 2
44.0 4 2
43.5 2 1 2 2
43.0 1 5
42.5 3 4 5
42.0 7 6 11
41.5 1 2 1
41.0 1 2 2
40.5 1 2 3
40.0 1 4 2
39.5 1 1 1 2
39.0 1 1 1 3
38.5 1 1 1
38.0 1 3 1 1
37.5 4 5
37.0 1 2 2
36.5 3 3 2
36.0 9 2 9 3
35.5 1 2 4
35.0 1
34.5 1 1 1 3
34.0 1 3 1
33.5 2
33.0 1 1 1
32.5 2 1
32.0 1 2
31.5 3
31.0 1 1
30.5 4 3 1
30.0 10 7 3
29.5 1 2
29.0 1
28.5 1
28.0 2 2
27.5 1
27.0 1 1
26.5 1 1 1 1
25.0 1
24.5 2 2
24.0 3 5 2
22.5 1
18.0 1 1 1 2
17.0 1
12.0 1 1
American Mathematics Competitions
2006 AMC 10 A Results for Nebraska
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 2
149.0 124.0 99.0 3
148.5 123.5 98.5 1 1
148.0 123.0 1 98.0 3 2
147.5 122.5 1 97.5
147.0 122.0 1 97.0 3 2
146.5 121.5 2 96.5 2
146.0 121.0 96.0 2 1
145.5 120.5 1 1 95.5 6 1
145.0 120.0 95.0 2 3
144.5 119.5 94.5 7 3
144.0 119.0 94.0
143.5 118.5 93.5 2
143.0 118.0 93.0 1 1
142.5 117.5 92.5 2 1
142.0 117.0 92.0 4 3
141.5 116.5 91.5 2
141.0 116.0 1 91.0 3 4
140.5 115.5 1 90.5 5 5
140.0 115.0 1 90.0 2 3
139.5 114.5 1 1 89.5 4 3
139.0 114.0 89.0 3 2
138.5 113.5 1 88.5 4 4
138.0 1 113.0 88.0 5 1
137.5 112.5 1 87.5 4 5
137.0 112.0 87.0 1 1
136.5 111.5 1 86.5 6 7
136.0 111.0 1 86.0 3 6
135.5 110.5 85.5 6 9
135.0 110.0 3 1 85.0 5 4
134.5 109.5 1 1 84.5 3 5
134.0 109.0 1 1 84.0 1 3
133.5 108.5 83.5 4 3
133.0 108.0 83.0 8 13
132.5 107.5 2 82.5 1 1
132.0 107.0 82.0 4 1
131.5 106.5 1 81.5 10 8
131.0 106.0 2 81.0 5 2
130.5 105.5 1 80.5 12 8
130.0 1 105.0 1 80.0 8 3
129.5 104.5 1 79.5 7 7
129.0 104.0 79.0 4 5
128.5 103.5 78.5 7 5
128.0 103.0 3 2 78.0 9 13
127.5 1 102.5 2 77.5 8 7
127.0 102.0 1 77.0 11 9
126.5 1 101.5 3 76.5 3 6
126.0 101.0 1 76.0 2 6
125.5 100.5 2 75.5 4 5
American Mathematics Competitions
2006 AMC 10 A Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 4 8 50.0 2 3 25.0
74.5 6 9 49.5 1 1 24.5 2
74.0 7 5 49.0 3 6 24.0 1 4
73.5 7 13 48.5 3 1 23.5
73.0 4 3 48.0 6 9 23.0
72.5 7 9 47.5 2 7 22.5
72.0 3 6 47.0 2 1 22.0
71.5 5 4 46.5 3 3 21.5
71.0 9 11 46.0 1 5 21.0
70.5 5 6 45.5 1 20.5
70.0 9 7 45.0 3 20.0
69.5 5 3 44.5 2 4 19.5
69.0 8 6 44.0 2 19.0
68.5 5 10 43.5 1 1 18.5
68.0 1 3 43.0 1 18.0 1
67.5 5 8 42.5 2 1 17.5
67.0 2 11 42.0 6 5 17.0
66.5 4 12 41.5 2 16.5
66.0 12 5 41.0 1 1 16.0
65.5 4 3 40.5 1 15.5
65.0 10 5 40.0 15.0
64.5 1 5 39.5 1 14.5
64.0 7 10 39.0 1 14.0
63.5 2 8 38.5 1 13.5
63.0 7 7 38.0 1 13.0
62.5 6 7 37.5 2 2 12.5
62.0 11 5 37.0 2 12.0 1
61.5 6 7 36.5 1 2 11.5
61.0 6 4 36.0 6 3 11.0
60.5 5 5 35.5 1 1 10.5
60.0 6 9 35.0 10.0
59.5 4 9 34.5 1 9.5
59.0 4 9 34.0 3 9.0
58.5 6 3 33.5 1 8.5
58.0 6 5 33.0 1 8.0
57.5 2 5 32.5 1 7.5
57.0 5 7 32.0 2 7.0
56.5 2 3 31.5 1 2 6.5
56.0 3 3 31.0 6.0
55.5 5 7 30.5 1 2 5.5
55.0 3 2 30.0 3 3 5.0
54.5 3 5 29.5 4.5
54.0 8 8 29.0 1 4.0
53.5 2 6 28.5 3.5
53.0 3 6 28.0 1 1 3.0
52.5 3 2 27.5 2.5
52.0 1 8 27.0 1 2.0
51.5 5 5 26.5 1 1.5
51.0 5 26.0 1.0
50.5 5 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 A Results for Nebraska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
138.0 1
130.0 1
127.5 1
126.5 1
123.0 1
122.5 1
122.0 1
121.5 2
120.5 2
116.0 1
115.5 1
115.0 1
114.5 1 1
113.5 1
112.5 1
111.5 1
111.0 1
110.0 1 3
109.5 1 1
109.0 1 1
107.5 1 1
106.5 1
106.0 1 1
105.5 1
105.0 1
104.5 1
103.0 3 2
102.5 1 1 1
102.0 1
101.5 4
101.0 1
100.5 1 1
99.5 5 1
99.0 1 2
98.5 2
98.0 1 3 1
97.0 1 1 3
96.5 3
96.0 2 1
95.5 3 4
95.0 1 1 4
94.5 1 2 6 2
93.5 1 1
93.0 1 1
92.5 2 2
92.0 1 7
91.5 1 1
91.0 3 5 1
90.5 1 1 8
90.0 3 2
89.5 1 5 1
89.0 3 2
88.5 1 3 4
88.0 4 2 1
87.5 3 6
87.0 1 3
86.5 1 7 5
86.0 5 4 1
85.5 6 9
85.0 3 6
84.5 1 2 5
84.0 1 3
83.5 1 6
83.0 11 9 1
82.5 1 1
82.0 1 4 1
81.5 1 8 9 1
81.0 4 2 1
80.5 1 5 15 1
80.0 4 7
79.5 1 7 7
79.0 4 6
78.5 7 5
78.0 1 9 12
77.5 7 9
77.0 11 9 2
76.5 3 6
76.0 4 4 1
75.5 4 5
75.0 7 5
74.5 1 8 6
74.0 6 7
73.5 6 14 1
73.0 3 4
72.5 7 9
72.0 3 6 1
71.5 1 1 2 6
71.0 10 10
70.5 6 5
70.0 9 9
69.5 4 5
69.0 5 9
68.5 6 10
68.0 4 1
67.5 5 8 1
67.0 7 6 1
66.5 8 8
66.0 7 10
65.5 4 5
65.0 7 9
64.5 1 3 2
64.0 13 4
63.5 4 6
63.0 5 10
62.5 1 9 3 2
62.0 8 8
61.5 5 9
61.0 6 4
60.5 8 3
60.0 4 11
59.5 1 8 5
59.0 3 10
58.5 4 6
58.0 1 8 2
57.5 5 2
57.0 6 6
56.5 2 3 1
56.0 5 2 1
55.5 4 7 1
55.0 2 3
54.5 3 5
54.0 8 9
53.5 5 3
53.0 6 3 1
52.5 3 3
52.0 1 5 3
51.5 7 3
51.0 3 2
50.5 3 2
50.0 3 5
49.5 1 1
49.0 5 4
48.5 3 1
48.0 8 7
47.5 5 4
47.0 2 1
46.5 5 1
46.0 4 3
45.5 1
45.0 3
44.5 3 3
44.0 1 1
43.5 2
43.0 1
42.5 2 2
42.0 5 6
41.5 1 1
41.0 1 1
40.5 1 1
39.5 1
39.0 1
38.5 1
38.0 1
37.5 4
37.0 2
36.5 3
36.0 8 1
35.5 2
34.5 1
34.0 2 1
33.5 2
33.0 1
32.5 1
32.0 1 1
31.5 2 1
30.5 1 2
30.0 5 2
29.0 1
28.0 1 1
27.0 1
26.5 1
24.5 1 1
24.0 3 2
18.0 1
12.0 1
American Mathematics Competitions
2006 AMC 10 A Results for Nebraska
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 9.87* 0.02 0.02 0.06 0.00 0.02 0.00
2 0.60 0.10 1.20* 0.33 2.82 4.95 0.00
3 0.15 7.17* 0.29 0.10 2.02 0.27 0.00
4 2.49 0.22 0.08 0.20 6.04* 0.97 0.00
5 0.45 1.65 1.54 5.47* 0.28 0.61 0.00
6 0.26 6.40* 0.71 0.17 0.08 2.38 0.00
7 6.99* 0.14 0.46 0.38 0.25 1.78 0.01
8 0.92 0.47 0.47 0.17 1.02* 6.94 0.00
9 2.17 1.41 4.33* 0.34 0.29 1.46 0.00
10 0.31 0.39 0.78 1.54 0.78* 6.19 0.00
11 1.13 1.62 1.41* 0.59 0.83 4.42 0.00
12 1.16 0.56 3.71* 0.92 0.45 3.20 0.01
13 0.47 1.71 0.59 3.15* 0.21 3.86 0.01
14 1.68 3.01* 0.33 1.15 0.92 2.91 0.00
15 0.84 0.46 0.58 1.12* 0.80 6.19 0.00
16 0.31 0.24 0.36 0.29* 0.65 8.15 0.00
17 1.28* 0.41 0.26 0.66 0.31 7.09 0.00
18 2.02 0.23 2.20* 0.68 0.27 4.59 0.00
19 0.56 1.47 0.61* 0.26 0.26 6.84 0.00
20 0.69 1.30 0.61 0.51 0.41* 6.47 0.00
21 0.81 0.77 0.59 0.47 1.04* 6.32 0.00
22 0.13 0.76 2.36* 4.08 1.27 1.40 0.00
23 1.13 0.81* 0.26 0.27 0.55 6.98 0.00
24 0.92 0.48* 0.50 0.28 0.26 7.56 0.00
25 1.62 0.78 0.40* 0.75 0.36 6.09 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 Nebraska
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 9 4
149.0 124.0 99.0 1 1
148.5 123.5 98.5 4 6
148.0 123.0 1 98.0 9 1
147.5 122.5 97.5 3 3
147.0 122.0 97.0 5 3
146.5 121.5 96.5 2
146.0 121.0 96.0 7 6
145.5 120.5 95.5 1
145.0 120.0 95.0 6 1
144.5 119.5 1 94.5 7 4
144.0 119.0 94.0 1
143.5 118.5 3 93.5 6 3
143.0 118.0 93.0 2
142.5 117.5 92.5 6 7
142.0 117.0 92.0 6 4
141.5 116.5 91.5 2 5
141.0 116.0 2 2 91.0 15 4
140.5 115.5 90.5 2
140.0 115.0 3 90.0 11 7
139.5 114.5 89.5 2
139.0 114.0 89.0 7 4
138.5 113.5 2 88.5 7 5
138.0 113.0 88.0 4 3
137.5 112.5 6 1 87.5 15 5
137.0 112.0 87.0 4 1
136.5 111.5 3 1 86.5 12 14
136.0 111.0 1 86.0 4 3
135.5 110.5 85.5 8 3
135.0 110.0 6 85.0 17 3
134.5 109.5 84.5 9 4
134.0 109.0 6 84.0 13 10
133.5 108.5 1 83.5 1 3
133.0 108.0 2 83.0 19 9
132.5 107.5 4 82.5 7 3
132.0 107.0 82.0 10 4
131.5 106.5 9 1 81.5 11 9
131.0 106.0 81.0 2 10
130.5 105.5 5 1 80.5 19 11
130.0 105.0 1 80.0 3 5
129.5 104.5 1 79.5 18 6
129.0 104.0 4 2 79.0 9 6
128.5 103.5 78.5 5 11
128.0 103.0 9 4 78.0 14 10
127.5 102.5 77.5 3 9
127.0 102.0 7 1 77.0 11 12
126.5 101.5 2 3 76.5 6 7
126.0 101.0 3 2 76.0 4 10
125.5 1 100.5 13 4 75.5 7 10
American Mathematics Competitions
2006 AMC 12 A Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 5 9 50.0 2 3 25.0
74.5 9 11 49.5 2 4 24.5
74.0 6 3 49.0 1 24.0 3
73.5 11 12 48.5 1 1 23.5
73.0 5 8 48.0 4 3 23.0
72.5 5 11 47.5 3 3 22.5
72.0 8 10 47.0 1 4 22.0
71.5 7 46.5 1 21.5
71.0 6 14 46.0 1 3 21.0
70.5 10 6 45.5 2 20.5
70.0 6 9 45.0 2 20.0
69.5 6 9 44.5 1 19.5
69.0 4 9 44.0 2 1 19.0
68.5 6 11 43.5 1 18.5
68.0 3 4 43.0 18.0
67.5 13 9 42.5 3 17.5
67.0 8 6 42.0 4 2 17.0 1
66.5 5 9 41.5 1 16.5
66.0 9 12 41.0 16.0
65.5 7 8 40.5 15.5
65.0 12 11 40.0 1 15.0
64.5 5 9 39.5 1 14.5
64.0 9 4 39.0 1 14.0
63.5 5 7 38.5 13.5
63.0 2 4 38.0 1 13.0
62.5 5 7 37.5 12.5
62.0 7 4 37.0 1 12.0 1
61.5 7 11 36.5 2 1 11.5
61.0 5 5 36.0 5 2 11.0
60.5 2 3 35.5 10.5
60.0 8 6 35.0 10.0
59.5 3 1 34.5 1 9.5
59.0 5 4 34.0 1 9.0
58.5 5 6 33.5 8.5
58.0 1 5 33.0 8.0
57.5 3 2 32.5 1 7.5
57.0 2 4 32.0 7.0
56.5 2 3 31.5 6.5
56.0 2 3 31.0 1 6.0
55.5 5 2 30.5 1 3 5.5
55.0 5 30.0 1 7 5.0
54.5 4 2 29.5 4.5
54.0 8 3 29.0 4.0
53.5 1 4 28.5 1 3.5
53.0 2 2 28.0 3.0
52.5 3 2 27.5 2.5
52.0 1 5 27.0 1 2.0
51.5 1 26.5 1 1.5
51.0 2 2 26.0 1.0
50.5 2 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 12 A Results for Nebraska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
125.5 1
123.0 1
119.5 1
118.5 1 2
116.0 2 2
115.0 1 2
113.5 2
112.5 1 6
111.5 1 1 2
111.0 1
110.0 1 5
109.0 1 3 2
108.5 1
108.0 1 1
107.5 1 3
106.5 4 7
105.5 2 3 3 1
105.0 1
104.5 1
104.0 1 4 1
103.0 1 2 5 6
102.0 1 2 2 3
101.5 3 2 1
101.0 1 1 1 2
100.5 1 3 8 6
99.5 2 3 8
99.0 1 1
98.5 1 2 8
98.0 2 4 4
97.5 2 3 1
97.0 1 3 4
96.5 1 1
96.0 1 4 8 1
95.5 1 1
95.0 1 1 5 1
94.5 1 4 7
94.0 1
93.5 1 5 3
93.0 2
92.5 2 1 6 5
92.0 1 3 6
91.5 1 5 1 1
91.0 9 10
90.5 1 1
90.0 9 9
89.5 1 2
89.0 1 6 4
88.5 5 8 1
88.0 1 2 3 1
87.5 1 14 5
87.0 3 2 1
86.5 3 13 10
86.0 2 2 3
85.5 1 6 4
85.0 1 9 10
84.5 1 2 9 2 1
84.0 2 10 11 1
83.5 1 3 1
83.0 2 15 11
82.5 2 8
82.0 7 8 1
81.5 1 9 10
81.0 7 5 1
80.5 2 3 13 12 1
80.0 4 4
79.5 2 1 10 11
79.0 11 5
78.5 1 6 10 1
78.0 1 13 11 2
77.5 7 5
77.0 1 3 10 12 1
76.5 10 3
76.0 1 8 6
75.5 6 11
75.0 10 4
74.5 1 10 9
74.0 1 4 5
73.5 2 8 14
73.0 6 7
72.5 1 5 10 3
72.0 1 8 10
71.5 1 4 2
71.0 1 11 9 2
70.5 12 5
70.0 1 8 6
69.5 7 8
69.0 2 2 4 5
68.5 2 10 6
68.0 1 1 5
67.5 3 10 10
67.0 11 3
66.5 1 1 6 6
66.0 2 1 8 10 1
65.5 1 11 4
65.0 2 13 9 1
64.5 1 9 4 2
64.0 9 4
63.5 1 6 5
63.0 4 2
62.5 1 6 5 1
62.0 4 6 1
61.5 1 9 7 1
61.0 1 4 5 1
60.5 1 1 3
60.0 9 6 3
59.5 4
59.0 3 1 5
58.5 6 4 1
58.0 4 2
57.5 5 1
57.0 1 4 2
56.5 4 1
56.0 4 1
55.5 4 3
55.0 4 1
54.5 3 5
54.0 2 6 3 3
53.5 2 3 2
53.0 1 3
52.5 5
52.0 1 5
51.5 1 1
51.0 1 1 2 1
50.5 1 1
50.0 1 1 3
49.5 4 2
49.0 1
48.5 1 1
48.0 1 5 2
47.5 1 4 1
47.0 4 1
46.5 1 1
46.0 3 1
45.5 1 1
45.0 1 1
44.5 1
44.0 3 1
43.5 1 1
42.5 1 2
42.0 2 4 1
41.5 1
40.0 1
39.5 1
39.0 1
38.0 1
37.0 1
36.5 2 1
36.0 2 5 2
34.5 1
34.0 1
32.5 1 1
31.0 1
30.5 1 2 1
30.0 5 5
29.5 1
28.5 1
27.0 1
26.5 1
24.0 2 1
18.0 1
17.0 1
12.0 1
American Mathematics Competitions
2006 AMC 12 A Results for Nebraska
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 9.90* 0.02 0.03 0.05 0.01 0.00 0.00
2 1.02 0.19 2.47* 0.17 1.80 4.35 0.00
3 0.10 7.95* 0.08 0.04 1.64 0.19 0.01
4 2.27 0.14 0.07 0.15 6.77* 0.60 0.00
5 0.27 1.24 1.09 6.81* 0.19 0.42 0.00
6 7.32* 0.13 0.31 0.26 0.22 1.76 0.00
7 0.68 3.87* 0.96 0.71 0.51 3.27 0.00
8 1.44 1.47 5.38* 0.24 0.29 1.18 0.01
9 7.36* 0.35 0.21 0.08 0.32 1.68 0.00
10 0.26 0.44 0.69 2.66 1.05* 4.90 0.00
11 1.40 0.96 1.81* 1.40 0.63 3.80 0.00
12 1.63 4.08* 0.25 0.87 0.66 2.51 0.00
13 0.82 0.26 0.31 0.21 4.07* 4.33 0.00
14 0.08 0.56 3.74* 3.46 0.82 1.34 0.00
15 2.35* 1.78 0.61 0.41 1.30 3.55 0.00
16 0.63 1.89* 0.24 0.41 0.77 6.07 0.00
17 0.40 0.52* 0.61 0.33 0.12 8.02 0.00
18 1.30 0.16 0.65 0.81 0.43* 6.65 0.00
19 0.25 0.34 0.29 0.23 0.29* 8.60 0.00
20 1.70 0.80 0.50* 0.42 0.25 6.34 0.00
21 0.17 0.16 0.73 0.14 0.27* 8.52 0.00
22 0.25 0.28 0.23 0.23* 0.23 8.78 0.00
23 0.19 0.20* 0.31 0.19 0.32 8.79 0.00
24 1.44 0.25 0.37 0.25* 0.25 7.43 0.00
25 0.29 0.37 0.37 0.21 0.12* 8.64 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 Nebraska
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 99.0
148.5 123.5 98.5 1
148.0 123.0 98.0 1
147.5 122.5 97.5
147.0 122.0 97.0
146.5 121.5 96.5
146.0 121.0 96.0 1
145.5 120.5 1 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 93.5 2
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 1 2
141.0 116.0 91.0 2
140.5 115.5 90.5
140.0 115.0 90.0 2
139.5 114.5 1 89.5
139.0 114.0 89.0 3 2
138.5 113.5 1 88.5 1
138.0 113.0 88.0 2
137.5 112.5 87.5 1
137.0 112.0 87.0
136.5 111.5 86.5 1 1
136.0 1 111.0 1 86.0 1
135.5 110.5 85.5 1
135.0 110.0 1 85.0
134.5 109.5 84.5 1
134.0 109.0 84.0 1 2
133.5 1 108.5 83.5
133.0 108.0 83.0 2 1
132.5 107.5 1 1 82.5 1
132.0 107.0 82.0 1
131.5 106.5 1 81.5 1
131.0 106.0 81.0
130.5 105.5 80.5 3
130.0 105.0 80.0
129.5 104.5 79.5 2
129.0 104.0 79.0 1
128.5 103.5 78.5 4 1
128.0 103.0 78.0 4
127.5 102.5 77.5 2
127.0 102.0 77.0 3 1
126.5 101.5 2 76.5
126.0 101.0 76.0 1
125.5 100.5 75.5 2 3
American Mathematics Competitions
2006 AMC 10 B Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 2 50.0 1 3 25.0 1
74.5 2 49.5 3 2 24.5 1
74.0 3 49.0 1 24.0 2
73.5 1 4 48.5 3 23.5
73.0 1 4 48.0 1 3 23.0
72.5 1 3 47.5 4 1 22.5 1
72.0 2 4 47.0 3 22.0
71.5 1 1 46.5 1 21.5
71.0 4 2 46.0 3 1 21.0
70.5 1 45.5 1 20.5
70.0 3 3 45.0 2 3 20.0
69.5 1 2 44.5 1 1 19.5
69.0 2 1 44.0 19.0
68.5 4 5 43.5 1 1 18.5
68.0 2 2 43.0 1 4 18.0 1 1
67.5 1 1 42.5 1 3 17.5
67.0 1 3 42.0 17.0
66.5 2 3 41.5 1 16.5
66.0 1 6 41.0 2 16.0
65.5 2 2 40.5 2 1 15.5
65.0 5 2 40.0 2 15.0
64.5 6 39.5 1 14.5
64.0 1 3 39.0 1 2 14.0
63.5 1 1 38.5 1 13.5
63.0 4 3 38.0 1 13.0
62.5 4 3 37.5 2 3 12.5
62.0 3 7 37.0 1 12.0
61.5 3 1 36.5 2 11.5
61.0 4 1 36.0 2 1 11.0
60.5 2 3 35.5 1 3 10.5
60.0 6 4 35.0 1 10.0
59.5 5 5 34.5 1 2 9.5
59.0 2 2 34.0 1 9.0
58.5 3 2 33.5 8.5
58.0 3 1 33.0 1 8.0
57.5 3 32.5 7.5
57.0 4 4 32.0 7.0
56.5 5 2 31.5 6.5
56.0 2 6 31.0 1 6.0
55.5 4 4 30.5 1 5.5
55.0 1 2 30.0 2 5.0
54.5 5 3 29.5 2 4.5
54.0 3 1 29.0 4.0
53.5 2 2 28.5 3.5
53.0 2 4 28.0 1 1 3.0
52.5 1 2 27.5 1 2.5
52.0 2 4 27.0 2.0
51.5 1 1 26.5 1 1.5
51.0 1 1 26.0 1.0
50.5 4 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 B Results for Nebraska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
136.0 1
133.5 1
120.5 1
119.0 1
114.5 1
113.5 1
111.0 1
110.0 1
107.5 1 1
106.5 1
101.5 2
99.5 1
98.5 1
98.0 1
96.0 1
95.0 1
94.5 1
93.5 2
92.5 1
91.5 1 2
91.0 1 1
90.0 2
89.0 3 2
88.5 1
88.0 1 1
87.5 1
86.5 1 1
86.0 1
85.5 1
84.5 1
84.0 3
83.5 1
83.0 1 2
82.5 1
82.0 1
81.5 1
80.5 1 2
80.0 1
79.5 1 1
79.0 1
78.5 2 3
78.0 1 3
77.5 1 1
77.0 4 1
76.0 1
75.5 1 4
75.0 1 1
74.5 2
74.0 1 2
73.5 2 3
73.0 5
72.5 2 2
72.0 5 1
71.5 1 1
71.0 2 4
70.5 1
70.0 3 3
69.5 1 2
69.0 1 2
68.5 5 4
68.0 2 2
67.5 1 1
67.0 3 1
66.5 2 3
66.0 4 4
65.5 3 1
65.0 2 5 1
64.5 5 1
64.0 2 2
63.5 1 1
63.0 4 4
62.5 4 3
62.0 7 3 1
61.5 4
61.0 3 2
60.5 3 2 1
60.0 1 5 5
59.5 8 3
59.0 1 3
58.5 1 4
58.0 1 3
57.5 1 2
57.0 1 2 5
56.5 4 3
56.0 5 3
55.5 6 2
55.0 2 1
54.5 4 4
54.0 4 1
53.5 1 1 2
53.0 2 4
52.5 3
52.0 3 3
51.5 1 3
51.0 2 1
50.5 4 1
50.0 2 1 1 1
49.5 2 3
49.0 1 1
48.5 3
48.0 3 1
47.5 5 1
47.0 1 2
46.5 1
46.0 3 1
45.5 1
45.0 1 3 1
44.5 1 1
43.5 2
43.0 5
42.5 1 1 2 1
41.5 1
41.0 2
40.5 1 2
40.0 1 1
39.5 2
39.0 3
38.5 1
38.0 1
37.5 1 4
37.0 2
36.5 2
36.0 3
35.5 3 1
35.0 1
34.5 3
34.0 1
33.0 1
31.0 1
30.5 1
30.0 1 1 1
29.5 1 1
28.0 2
27.5 1
26.5 1
25.0 1
24.5 2
24.0 1 1
22.5 1
18.0 1 1
American Mathematics Competitions
2006 AMC 10 B Results for Nebraska
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 0.64 0.86 4.09* 2.21 0.91 1.28 0.00
2 4.09* 0.71 0.04 0.33 0.22 4.60 0.00
3 7.32* 0.38 0.07 1.73 0.24 0.27 0.00
4 1.73 2.54 0.31 1.55* 1.50 2.37 0.00
5 0.77 4.18* 1.77 0.49 0.24 2.54 0.00
6 0.44 0.11 3.38 1.90* 0.42 3.74 0.00
7 1.48* 1.17 1.39 1.44 0.38 4.14 0.00
8 1.42 0.66* 0.18 1.08 0.60 6.06 0.00
9 0.11 6.90* 0.22 0.04 1.48 1.24 0.00
10 1.88* 0.31 1.39 0.13 2.35 3.94 0.00
11 0.33 0.64 1.84* 0.24 0.15 6.79 0.00
12 0.55 0.24 0.35 0.51 2.85* 5.49 0.00
13 0.82 0.22 3.08 0.66 1.55* 3.67 0.00
14 0.18 0.18 0.13 0.31* 0.09 9.12 0.00
15 0.58 0.18 1.46* 0.29 0.62 6.88 0.00
16 1.88 0.75 2.19 0.86 1.46* 2.85 0.00
17 2.96 0.95 1.81 1.90* 0.15 2.21 0.00
18 0.80 0.33 0.97 0.24 0.42* 7.23 0.00
19 0.24* 0.31 0.40 0.22 0.18 8.65 0.00
20 0.49 0.42 0.24 0.62 0.58* 7.65 0.00
21 0.42 0.44 0.62* 2.39 0.84 5.29 0.00
22 0.33 0.71 1.77 0.53* 0.13 6.50 0.02
23 0.33 0.58 0.35 0.40* 0.42 7.92 0.00
24 0.20 0.91* 0.42 0.29 0.24 7.94 0.00
25 0.11 1.81* 0.33 1.79 0.49 5.46 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 Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 125.0 100.0 1
149.5 124.5 99.5 3 1
149.0 124.0 99.0
148.5 123.5 98.5 7 1
148.0 123.0 1 98.0
147.5 122.5 97.5
147.0 122.0 97.0 2 2
146.5 121.5 96.5
146.0 121.0 96.0 1 2
145.5 120.5 95.5
145.0 120.0 95.0 2 7
144.5 119.5 1 94.5 1 1
144.0 119.0 94.0 1 2
143.5 118.5 1 93.5 4 2
143.0 118.0 93.0
142.5 117.5 92.5 7 2
142.0 117.0 92.0 1
141.5 116.5 91.5 3 6
141.0 116.0 1 91.0 1
140.5 115.5 90.5 2
140.0 115.0 2 90.0 2 7
139.5 114.5 89.5
139.0 114.0 89.0 4 4
138.5 113.5 88.5 1
138.0 113.0 88.0 8 4
137.5 112.5 1 1 87.5 1 1
137.0 112.0 87.0 1 1
136.5 111.5 2 86.5 8 7
136.0 111.0 86.0
135.5 110.5 85.5 2 3
135.0 110.0 85.0 3 1
134.5 109.5 84.5 5 4
134.0 109.0 1 1 84.0 5 2
133.5 108.5 83.5 4
133.0 108.0 3 2 83.0 6 7
132.5 107.5 82.5
132.0 107.0 82.0 6 2
131.5 106.5 1 1 81.5 2 2
131.0 106.0 81.0 1
130.5 105.5 5 1 80.5 3 3
130.0 1 105.0 80.0 1 3
129.5 104.5 2 1 79.5 4 4
129.0 104.0 1 79.0 3 1
128.5 103.5 78.5 5 2
128.0 103.0 3 2 78.0 4 3
127.5 102.5 77.5 3 5
127.0 102.0 1 3 77.0 6 6
126.5 101.5 76.5 4
126.0 101.0 3 2 76.0 1 1
125.5 100.5 2 75.5 2
American Mathematics Competitions
2006 AMC 12 B Results for Nebraska
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 2 4 50.0 2 25.0
74.5 5 3 49.5 24.5
74.0 1 5 49.0 3 24.0
73.5 6 5 48.5 2 23.5
73.0 2 3 48.0 1 1 23.0
72.5 3 2 47.5 22.5
72.0 5 2 47.0 2 2 22.0
71.5 2 2 46.5 1 1 21.5
71.0 3 3 46.0 2 21.0
70.5 1 45.5 1 20.5
70.0 4 2 45.0 20.0
69.5 3 1 44.5 19.5
69.0 3 4 44.0 19.0
68.5 1 1 43.5 1 18.5
68.0 2 9 43.0 18.0 1
67.5 4 3 42.5 17.5
67.0 3 2 42.0 6 17.0
66.5 3 4 41.5 16.5
66.0 2 3 41.0 1 16.0
65.5 6 40.5 1 15.5
65.0 3 2 40.0 1 3 15.0
64.5 39.5 1 14.5
64.0 3 3 39.0 1 14.0
63.5 1 38.5 1 13.5
63.0 3 38.0 3 13.0
62.5 2 37.5 12.5
62.0 1 1 37.0 12.0
61.5 2 1 36.5 11.5
61.0 1 2 36.0 2 11.0
60.5 2 3 35.5 1 10.5
60.0 2 2 35.0 10.0
59.5 3 4 34.5 1 9.5
59.0 2 2 34.0 9.0
58.5 1 4 33.5 8.5
58.0 1 1 33.0 1 8.0
57.5 1 1 32.5 7.5
57.0 1 4 32.0 1 7.0
56.5 1 1 31.5 6.5
56.0 1 2 31.0 6.0
55.5 4 2 30.5 5.5
55.0 2 4 30.0 5.0
54.5 3 29.5 4.5
54.0 2 5 29.0 4.0
53.5 2 28.5 3.5
53.0 1 2 28.0 3.0
52.5 1 27.5 2.5
52.0 1 5 27.0 2.0
51.5 1 2 26.5 1 1.5
51.0 1 26.0 1.0
50.5 1 4 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 12 B Results for Nebraska
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
130.0 1
123.0 1
119.5 1
118.5 1
116.0 1
115.0 1 1
112.5 1 1
111.5 1 1
109.0 1 1
108.0 2 4
106.5 1 1 1
105.5 2 4
104.5 3
104.0 1
103.0 3 2
102.0 1 3
101.0 1 4 1
100.5 2
100.0 1
99.5 2 2
98.5 3 5 1
97.0 1 3
96.0 4
95.0 5 5
94.5 1 1
94.0 3
93.5 4 2 1
92.5 5 6
92.0 1
91.5 1 2 6
91.0 1
90.5 1 1
90.0 7 3
89.0 1 5 4 1
88.5 1
88.0 6 6
87.5 2
87.0 1 1
86.5 1 10 6 1
85.5 1 2 2
85.0 3 1
84.5 1 4 4
84.0 2 4 1
83.5 3 1
83.0 8 5
82.0 4 4
81.5 3 1
81.0 2
80.5 1 2 2 1
80.0 1 3
79.5 1 5 2
79.0 1 2 1
78.5 1 4 3
78.0 1 3 4
77.5 1 6 1
77.0 4 8
76.5 4
76.0 1 1
75.5 1 1
75.0 1 3 2
74.5 8
74.0 1 1 4
73.5 1 1 4 5
73.0 5
72.5 2 1 2
72.0 4 3
71.5 1 2 1
71.0 3 3
70.5 2
70.0 5 1
69.5 4
69.0 4 3
68.5 2
68.0 1 8 2
67.5 5 2
67.0 4 1
66.5 4 3
66.0 3 2
65.5 2 3 1
65.0 4 1
64.0 5 1
63.5 1
63.0 1 2
62.5 2 1
62.0 2
61.5 1 2
61.0 1 1 1
60.5 1 2 2
60.0 4
59.5 2 4 1
59.0 2 2
58.5 1 1 3
58.0 2
57.5 1 1
57.0 4 1
56.5 2
56.0 1 1 1
55.5 1 3 2
55.0 1 3 2
54.5 4
54.0 2 5
53.5 1 1
53.0 2 1
52.5 1 1
52.0 1 3 2
51.5 1 2
51.0 1
50.5 3 1 1
50.0 2
49.0 2 1
48.5 1 1
48.0 1 1 1
47.0 4
46.5 2
46.0 1 1
45.5 1
43.5 1
42.0 2 2 2
41.0 1
40.5 1
40.0 1 1 1 1
39.5 1
39.0 1
38.5 1
38.0 2 1
36.0 2
35.5 1
34.5 1
33.0 1
32.0 1
26.5 1
18.0 1
American Mathematics Competitions
2006 AMC 12 B Results for Nebraska
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 0.49 0.42 6.30* 1.65 0.53 0.61 0.00
2 5.55* 0.82 0.07 0.14 0.14 3.27 0.00
3 7.55* 0.37 0.02 1.58 0.25 0.23 0.02
4 8.44* 0.61 0.19 0.33 0.05 0.37 0.00
5 5.66* 1.03 0.39 0.32 0.25 2.36 0.00
6 0.05 7.32* 0.07 0.07 1.58 0.91 0.00
7 0.63 7.57* 0.65 0.44 0.14 0.56 0.02
8 0.21 0.42 0.42 0.51 4.85* 3.59 0.00
9 0.42 3.15* 0.39 0.95 0.72 4.36 0.02
10 2.10* 0.49 1.40 0.11 2.36 3.54 0.00
11 0.65 0.18 1.94 0.84 3.10* 3.29 0.00
12 0.47 0.53 0.37 0.47* 0.46 7.71 0.00
13 0.54 0.42 1.66* 0.40 0.37 6.60 0.00
14 0.26 0.81 2.24 1.16* 0.11 5.43 0.00
15 0.12 1.03* 0.68 0.46 0.19 7.51 0.00
16 0.14 0.16 0.63* 0.14 0.16 8.77 0.00
17 0.40 0.40 0.84* 1.59 0.56 6.20 0.00
18 0.63 0.56* 1.09 0.39 0.26 7.08 0.00
19 0.25 2.01* 0.23 1.66 0.35 5.50 0.00
20 0.16 0.25 0.21* 0.12 0.46 8.81 0.00
21 0.26 0.14 0.25* 0.16 0.12 9.07 0.00
22 0.30 0.32* 0.19 0.26 0.09 8.84 0.00
23 0.21 0.37 0.37 0.28 0.11* 8.67 0.00
24 0.14 0.16 0.16* 0.16 0.16 9.23 0.00
25 0.23 0.26* 0.25 0.35 0.19 8.70 0.02
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column
