American Mathematics Competitions
2006 AMC 10 A Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 742
Number of unofficial participants: 0
Average score of participants: 77.4
Average score for female students is: 75.9 ( 296 Students)
Average score for male students is: 78.2 ( 366 Students)
Average score for unspecified gender is 79.5 ( 80 Students)
Average score for grade 10 is: 78.2 ( 335 Students)
Average score for grade 9 is: 75.0 ( 288 Students)
Average score for grade 8 and below is: 82.9 ( 59 Students)
Average score with unknown grade: 79.7 ( 60 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 4
Number of schools returning results 26
Average school winning score 104.08
American Mathematics Competitions
2006 AMC 12 A Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 690
Number of unofficial participants: 0
Average score of participants: 83.4
Average score for female students is: 81.1 ( 263 Students)
Average score for male students is: 85.0 ( 364 Students)
Average score for unspecified gender is 83.4 ( 63 Students)
Average score for grade 13 is: 71.0 ( 1 Student)
Average score for grade 12 is: 85.5 ( 287 Students)
Average score for grade 11 is: 80.8 ( 335 Students)
Average score for grade 10 is: 90.6 ( 15 Students)
Average score for grade 9 is: 96.6 ( 10 Students)
Average score with unknown grade: 84.2 ( 42 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 102
Number of schools returning results 23
Average school winning score 111.63
Average school team score 299.41
American Mathematics Competitions
2006 AMC 10 B Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1118
Number of unofficial participants: 0
Average score of participants: 64.8
Average score for female students is: 62.8 ( 501 Students)
Average score for male students is: 67.3 ( 532 Students)
Average score for unspecified gender is 61.3 ( 85 Students)
Average score for grade 10 is: 65.8 ( 528 Students)
Average score for grade 9 is: 62.1 ( 482 Students)
Average score for grade 8 and below is: 84.8 ( 44 Students)
Average score with unknown grade: 63.3 ( 64 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 7
Number of schools returning results 25
Average school winning score 106.80
American Mathematics Competitions
2006 AMC 12 B Results for Oregon
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1643
Number of unofficial participants: 0
Average score of participants: 82.4
Average score for female students is: 78.7 ( 674 Students)
Average score for male students is: 85.6 ( 860 Students)
Average score for unspecified gender is 80.5 ( 109 Students)
Average score for grade 12 is: 84.7 ( 588 Students)
Average score for grade 11 is: 81.1 ( 748 Students)
Average score for grade 10 is: 82.0 ( 193 Students)
Average score for grade 9 is: 79.5 ( 55 Students)
Average score for grade 8 and below is: 94.1 ( 12 Students)
Average score with unknown grade: 76.9 ( 47 Students)
AIME qualifying score = 100.0 or better
Number of AIME qualifers 208
Number of schools returning results 32
Average school winning score 113.92
Average school team score 319.41
2006 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
397.5 1 1
394.0 1 2
375.0 1 3
364.0 1 4
353.0 1 5
349.5 1 6
347.0 3 7
343.0 1 10
342.5 1 11
341.0 1 12
338.5 1 13
337.5 1 14
336.5 1 15
336.0 2 16
335.0 1 18
334.0 1 19
333.0 1 20
332.5 1 21
332.0 1 22
330.5 1 23
329.5 1 2 24
329.0 1 27
327.0 1 28
325.5 1 29
319.5 1 30
318.0 1 31
316.0 1 32
314.0 1 33
312.0 2 34
311.0 1 36
309.0 1 37
302.5 1 38
301.5 1 1 39
300.5 1 41
294.0 1 42
287.5 2 1 43
281.0 1 46
278.5 1 47
277.5 1 48
277.0 1 49
255.0 1 50
253.5 1 51
220.5 1 52
217.0 1 53
126.5 1 54
95.0 1 55
2006 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
144.0 1
139.5 1
136.0 2
132.5 1
132.0 1
131.0 1
130.0 1
129.0 2
127.5 1 1
126.5 2 1
125.5 3 1
125.0 2
124.0 1
123.0 1 2 1
122.0 1 2 1
121.5 1
120.0 1
119.5 1 3
119.0 1 1
118.5 3 1
118.0 1
117.0 1
116.0 1 4 1 2
115.0 2 6 1
114.5 1 1
114.0 1
113.5 3 1 1 1
112.5 8 6 1 2
112.0 1 2 1
111.5 8 1
111.0 2 3 1
110.0 6 2 1 1
109.5 1 3
109.0 5 6 1 1
108.5 3 3
108.0 3 16 1 1
107.5 5 3 1
106.5 7 8 2 4
106.0 1
105.5 6 15 2 2
105.0 1
104.5 23 1
104.0 6 7 5 2
103.0 15 11 3 3
102.5 1 1 1
102.0 4 26 3 2
101.5 3 3 1 4
101.0 8 34 1 2
100.5 7 10 3 2
100.0 5 1
99.5 10 14 5 2
99.0 2 3
98.5 7 37 7 1
98.0 7 1 2 5
97.5 21 3 1
97.0 12 16 5 5
96.5 1 5 1
96.0 11 32 11 5
95.5 5 2
95.0 16 54 4 2
94.5 7 4 5 4
94.0 2 15 2 1
93.5 15 19 6 3
93.0 1 2 4
92.5 9 31 10 5
92.0 12 3 7 5
91.5 6 36 11 1
91.0 10 13 5 5
90.5 15 5 1
90.0 12 27 14 3
89.5 5 4 5
89.0 20 68 7 8
88.5 8 13 7 6
88.0 3 34 4 5
87.5 8 14 6 5
87.0 2 11 10 2
86.5 12 27 13 9
86.0 8 1 5 2
85.5 9 46 9 4
85.0 10 9 11 8
84.5 21 2 3
84.0 9 23 12 6
83.5 2 11 6
83.0 15 35 8 12
82.5 7 6 9 8
82.0 8 31 8 7
81.5 13 13 13 2
81.0 4 18 2 4
80.5 9 28 15 7
80.0 4 8 10 4
79.5 4 24 15 8
79.0 14 9 11 5
78.5 7 32 1 9
78.0 9 16 10 10
77.5 3 9 9 3
77.0 14 35 10 18
76.5 6 8 10 5
76.0 6 31 4 11
75.5 13 7 9 7
75.0 3 18 8 17
74.5 8 24 13 8
74.0 4 8 9 12
73.5 9 18 11 18
73.0 14 5 9 2
72.5 6 26 8 4
72.0 11 13 12 12
71.5 5 11 4 5
71.0 8 28 7 15
70.5 6 5 9 11
70.0 6 22 8 14
69.5 6 11 14 12
69.0 2 8 7 12
68.5 11 16 9 10
68.0 3 5 5 8
67.5 4 13 5 20
67.0 5 7 4 8
66.5 3 13 8 16
66.0 12 14 8 16
65.5 1 8 5 15
65.0 2 15 8 22
64.5 5 5 7 7
64.0 1 16 2 14
63.5 4 6 6 9
63.0 2 16 7 19
62.5 8 10 8 17
62.0 6 5 5 12
61.5 1 15 4 16
61.0 3 6 8 12
60.5 2 6 5 17
60.0 6 10 4 12
59.5 2 2 8 11
59.0 4 9 2 7
58.5 2 4 5 9
58.0 3 5 9 16
57.5 1 2 4 12
57.0 1 5 4 12
56.5 2 6 3 12
56.0 2 4 4 14
55.5 1 1 2 17
55.0 1 2 3 11
54.5 3 3 11
54.0 3 10 8 16
53.5 1 3 4 11
53.0 1 5 3 18
52.5 1 1 4
52.0 2 1 2 12
51.5 3 2 6
51.0 1 12
50.5 2 2 9
50.0 1 3 3 5
49.5 3 1 14
49.0 3 1
48.5 1 2 8
48.0 1 7 2 10
47.5 1 1 5
47.0 2 1 9
46.5 1 3 4 4
46.0 1 9
45.5 1 1 10
45.0 2 9
44.5 2 7
44.0 2 7
43.5 1 1 1 8
43.0 1 3 1 5
42.5 2 5
42.0 1 8 4 13
41.5 1 1 2 3
41.0 3 4
40.5 1 6
40.0 2 3
39.5 1 3
39.0 2 4
38.5 1 2
38.0 2
37.5 1 2
37.0 1
36.5 1
36.0 4 4 7
35.5 2 1 3
35.0 2
34.5 2
33.5 2
33.0 1 2
32.5 2 3
31.5 1
31.0 4
30.5 2
30.0 6
29.5 3
28.0 1 2
27.5 1
27.0 2
26.0 1
25.5 1
24.5 1
24.0 1 8
23.5 1
22.0 1 1
21.0 1
18.0 1 1 6
12.0 3
American Mathematics Competitions
2006 AMC 10 A Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
150.0 125.0 2 100.0 3 1
149.5 124.5 99.5 2 2
149.0 124.0 99.0 2
148.5 123.5 98.5 4 3
148.0 123.0 98.0 1
147.5 122.5 97.5 3
147.0 122.0 97.0 4 1
146.5 121.5 96.5 2 2
146.0 121.0 96.0 7 2
145.5 120.5 95.5 1 1
145.0 120.0 95.0 2
144.5 119.5 94.5 5
144.0 119.0 1 94.0 1 1
143.5 118.5 93.5 3 2
143.0 118.0 93.0 1 3
142.5 117.5 92.5 3 5
142.0 117.0 92.0 5 2
141.5 116.5 91.5 6 5
141.0 116.0 1 91.0 3 2
140.5 115.5 90.5 1 1
140.0 115.0 90.0 6 7
139.5 114.5 1 89.5 4
139.0 114.0 89.0 2 4
138.5 113.5 1 88.5 5 2
138.0 113.0 88.0 3 1
137.5 112.5 1 87.5 4 2
137.0 112.0 2 87.0 6 4
136.5 111.5 86.5 6 4
136.0 111.0 2 1 86.0 1 4
135.5 110.5 85.5 5 3
135.0 110.0 85.0 5 5
134.5 109.5 1 84.5 2
134.0 109.0 1 84.0 6 4
133.5 108.5 2 1 83.5 4 2
133.0 108.0 1 83.0 3 5
132.5 107.5 3 82.5 4 3
132.0 1 107.0 82.0 2 5
131.5 106.5 1 1 81.5 6 6
131.0 106.0 1 81.0 2
130.5 105.5 1 80.5 6 7
130.0 105.0 1 80.0 6 4
129.5 104.5 79.5 7 7
129.0 104.0 1 2 79.0 3 7
128.5 103.5 78.5 1
128.0 103.0 2 1 78.0 4 5
127.5 102.5 1 77.5 4 4
127.0 102.0 3 77.0 4 6
126.5 101.5 1 76.5 5 4
126.0 101.0 1 76.0 1 3
125.5 100.5 3 75.5 7 1
American Mathematics Competitions
2006 AMC 10 A Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 5 2 50.0 1 1 25.0
74.5 7 5 49.5 1 24.5
74.0 3 4 49.0 1 24.0
73.5 7 3 48.5 2 23.5
73.0 3 5 48.0 1 1 23.0
72.5 3 2 47.5 1 22.5
72.0 7 4 47.0 22.0
71.5 2 2 46.5 2 2 21.5
71.0 2 3 46.0 1 21.0
70.5 4 5 45.5 1 20.5
70.0 7 1 45.0 20.0
69.5 9 4 44.5 19.5
69.0 4 1 44.0 19.0
68.5 3 4 43.5 18.5
68.0 2 3 43.0 1 18.0 1
67.5 1 3 42.5 2 17.5
67.0 2 2 42.0 3 17.0
66.5 3 4 41.5 2 16.5
66.0 3 3 41.0 16.0
65.5 3 1 40.5 1 15.5
65.0 4 4 40.0 2 15.0
64.5 2 4 39.5 1 14.5
64.0 1 1 39.0 1 14.0
63.5 5 1 38.5 13.5
63.0 6 1 38.0 13.0
62.5 1 5 37.5 1 12.5
62.0 1 4 37.0 12.0
61.5 2 1 36.5 11.5
61.0 6 1 36.0 11.0
60.5 3 2 35.5 10.5
60.0 1 3 35.0 10.0
59.5 5 3 34.5 9.5
59.0 1 34.0 9.0
58.5 2 3 33.5 8.5
58.0 3 4 33.0 1 8.0
57.5 2 2 32.5 7.5
57.0 3 32.0 7.0
56.5 3 31.5 6.5
56.0 4 31.0 6.0
55.5 2 30.5 5.5
55.0 2 1 30.0 5.0
54.5 3 29.5 4.5
54.0 1 7 29.0 4.0
53.5 1 3 28.5 3.5
53.0 2 28.0 3.0
52.5 1 27.5 2.5
52.0 1 1 27.0 2.0
51.5 2 26.5 1.5
51.0 26.0 1.0
50.5 1 1 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 A Results for Oregon
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
132.0 1
125.0 1 1
122.0 1
119.0 1
118.0 1
116.0 1
114.5 1
113.5 1
112.5 1
112.0 2
111.0 1 2
110.0 1
109.5 1 2
109.0 1
108.5 1 2
108.0 1
107.5 1 2
106.5 1 1
106.0 1
105.5 1 1
105.0 1
104.0 1 1 1 2
103.0 1 2
102.5 1
102.0 2 1
101.5 1
101.0 1
100.5 1 2
100.0 1 3 1
99.5 4 1
99.0 2 1
98.5 1 1 5
98.0 2
97.5 3
97.0 2 3
96.5 1 3 1
96.0 1 5 4 1
95.5 1 1
95.0 1 2 1
94.5 1 3 1
94.0 1 1
93.5 1 2 3
93.0 1 3
92.5 6 3 1
92.0 3 4
91.5 4 5 2
91.0 4 1
90.5 1 2 2
90.0 2 2 9 1
89.5 2 2
89.0 1 5 1
88.5 1 1 5
88.0 1 2 1
87.5 1 1 1 3
87.0 1 1 8
86.5 6 4 3
86.0 2 3
85.5 1 3 4 1
85.0 5 5 1
84.5 2
84.0 4 7 1
83.5 1 2 3
83.0 1 3 4
82.5 1 3 3 2
82.0 1 3 4
81.5 3 5 3 2
81.0 1 1
80.5 7 8
80.0 2 1 6 1
79.5 9 6
79.0 2 2 6 1
78.5 1
78.0 5 4 1
77.5 1 4 3 1
77.0 1 5 4
76.5 1 6 2 1
76.0 4
75.5 2 3 3 1
75.0 5 3
74.5 1 4 7 1
74.0 1 3 3 2
73.5 1 7 2 1
73.0 1 2 5 1
72.5 3 2 3
72.0 8 4
71.5 1 3
71.0 2 3 2
70.5 1 6 2
70.0 7 1
69.5 1 1 8 3 1
69.0 1 1 4 1
68.5 1 4 2 2
68.0 4 1
67.5 2 2 1
67.0 4
66.5 5 3
66.0 2 4 2
65.5 2 3
65.0 4 4
64.5 1 3 3
64.0 2
63.5 4 2
63.0 2 5
62.5 1 2 3 2
62.0 1 2 2
61.5 2 1 1
61.0 6 2
60.5 1 4
60.0 2 2
59.5 2 6
59.0 1 1
58.5 3 2
58.0 1 3 4 1
57.5 4
57.0 2 1 1
56.5 2 1
56.0 1 1 2
55.5 2
55.0 1 2
54.5 1 1 1
54.0 6 2
53.5 1 1 2
53.0 3
52.5 1
52.0 2
51.5 1 1
50.5 1 1
50.0 2 1
49.5 1
49.0 1
48.5 1 1
48.0 2
47.5 1
46.5 4
46.0 1
45.5 1
43.5 1
43.0 1
42.5 2
42.0 1 2 1
41.5 1 1
40.5 1
40.0 2
39.5 1
39.0 1 1
37.5 1
33.0 1
18.0 1
American Mathematics Competitions
2006 AMC 10 A Results for Oregon
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 9.91* 0.04 0.04 0.01 0.00 0.00 0.00
2 1.56 0.26 1.94* 0.15 2.02 4.07 0.00
3 0.08 8.23* 0.12 0.05 1.40 0.11 0.00
4 2.48 0.19 0.08 0.15 6.64* 0.46 0.00
5 0.13 1.05 1.13 7.04* 0.28 0.36 0.00
6 0.19 8.07* 0.15 0.11 0.12 1.36 0.00
7 7.72* 0.09 0.27 0.30 0.15 1.47 0.00
8 1.17 0.31 0.28 0.23 2.24* 5.77 0.00
9 1.79 1.54 5.38* 0.24 0.19 0.86 0.00
10 0.28 0.22 0.71 2.74 0.98* 5.07 0.00
11 1.82 1.52 1.17* 0.74 1.01 3.73 0.00
12 0.70 0.42 5.34* 1.02 0.50 2.02 0.00
13 0.31 1.00 0.32 5.44* 0.13 2.79 0.00
14 1.98 3.76* 0.20 1.11 0.46 2.49 0.00
15 0.97 0.31 0.38 1.42* 0.63 6.29 0.00
16 0.26 0.30 0.49 0.53* 0.71 7.71 0.01
17 2.37* 0.27 0.20 0.46 0.26 6.43 0.01
18 2.24 0.13 2.71* 0.39 0.18 4.35 0.00
19 0.44 1.68 0.58* 0.23 0.44 6.62 0.00
20 0.51 1.05 0.40 0.39 0.65* 6.99 0.00
21 0.67 0.63 0.51 0.49 1.11* 6.59 0.00
22 0.16 1.31 3.26* 3.44 0.63 1.20 0.00
23 0.51 1.37* 0.26 0.31 0.70 6.85 0.00
24 0.88 0.40* 0.34 0.36 0.39 7.63 0.00
25 2.37 0.77 0.46* 0.44 0.32 5.63 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 Oregon
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 5 5
149.0 124.0 1 99.0 2
148.5 123.5 98.5 3 1
148.0 123.0 1 98.0 5 2
147.5 122.5 97.5
147.0 122.0 1 97.0 8 4
146.5 121.5 96.5 1
146.0 121.0 96.0 8 3
145.5 120.5 95.5 2 1
145.0 120.0 95.0 11 4
144.5 119.5 1 94.5 4 3
144.0 119.0 94.0 2
143.5 118.5 2 93.5 6 7
143.0 118.0 93.0
142.5 117.5 92.5 5 4
142.0 117.0 92.0 6 5
141.5 116.5 91.5 3 3
141.0 116.0 1 91.0 3 5
140.5 115.5 90.5
140.0 115.0 1 1 90.0 9 2
139.5 114.5 89.5 4 1
139.0 114.0 89.0 11 7
138.5 113.5 3 88.5 3 3
138.0 113.0 88.0 2
137.5 112.5 3 4 87.5 4 4
137.0 112.0 87.0 1 1
136.5 111.5 86.5 7 4
136.0 2 111.0 86.0 5 2
135.5 110.5 85.5 3 6
135.0 110.0 4 85.0 2 5
134.5 109.5 84.5
134.0 109.0 1 4 84.0 8 1
133.5 108.5 83.5 1 1
133.0 108.0 2 83.0 11 3
132.5 107.5 5 82.5 2 5
132.0 107.0 82.0 3 4
131.5 106.5 5 2 81.5 7 5
131.0 106.0 81.0 4
130.5 105.5 3 2 80.5 4 4
130.0 105.0 80.0 1 3
129.5 104.5 79.5 2 1
129.0 104.0 5 79.0 7 5
128.5 103.5 78.5 6 1
128.0 103.0 9 5 78.0 6 2
127.5 1 102.5 1 77.5 1 2
127.0 102.0 3 1 77.0 9 3
126.5 2 101.5 2 1 76.5 3 3
126.0 101.0 6 2 76.0 4 1
125.5 100.5 2 4 75.5 5 7
American Mathematics Competitions
2006 AMC 12 A Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 1 1 50.0 1 25.0
74.5 3 5 49.5 24.5
74.0 2 2 49.0 24.0
73.5 4 3 48.5 1 23.5
73.0 8 6 48.0 1 23.0
72.5 2 3 47.5 22.5
72.0 6 4 47.0 1 1 22.0 1
71.5 3 1 46.5 1 21.5
71.0 3 3 46.0 21.0
70.5 2 2 45.5 1 20.5
70.0 3 3 45.0 20.0
69.5 1 5 44.5 19.5
69.0 2 44.0 19.0
68.5 7 4 43.5 1 18.5
68.0 1 2 43.0 1 18.0
67.5 2 42.5 17.5
67.0 2 3 42.0 1 17.0
66.5 1 2 41.5 1 16.5
66.0 7 5 41.0 16.0
65.5 1 40.5 15.5
65.0 1 40.0 15.0
64.5 1 3 39.5 14.5
64.0 1 39.0 14.0
63.5 2 2 38.5 13.5
63.0 2 38.0 13.0
62.5 1 6 37.5 12.5
62.0 3 2 37.0 12.0
61.5 1 36.5 11.5
61.0 1 2 36.0 2 11.0
60.5 2 35.5 1 1 10.5
60.0 5 1 35.0 10.0
59.5 1 1 34.5 9.5
59.0 1 3 34.0 9.0
58.5 2 33.5 8.5
58.0 1 1 33.0 8.0
57.5 1 32.5 7.5
57.0 1 32.0 7.0
56.5 1 1 31.5 6.5
56.0 1 1 31.0 6.0
55.5 1 30.5 5.5
55.0 1 30.0 5.0
54.5 29.5 4.5
54.0 2 1 29.0 4.0
53.5 1 28.5 3.5
53.0 1 28.0 3.0
52.5 27.5 2.5
52.0 1 1 27.0 2.0
51.5 26.5 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 Oregon
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
136.0 1 1
127.5 1
126.5 2
124.0 1
123.0 1
122.0 1
119.5 1
118.5 1 1 1
116.0 1
115.0 1 1
113.5 1 1 1
112.5 4 4
110.0 1 1 2 2
109.0 3 2
108.0 1 1 1
107.5 1 4
106.5 2 5
105.5 2 3 1
104.0 1 2 2 1
103.0 2 9 3 1
102.5 1
102.0 3 1
101.5 3
101.0 2 6
100.5 1 3 3
99.5 1 1 3 5
99.0 1 1
98.5 2 3 2
98.0 7
97.0 1 6 4 1
96.5 1
96.0 4 7
95.5 1 2 2
95.0 1 5 10
94.5 1 2 4
94.0 1 1
93.5 5 8 2
93.0 1
92.5 1 3 5
92.0 6 5 1
91.5 3 3
91.0 1 5 4
90.0 4 7 1
89.5 4 1
89.0 6 12 2
88.5 3 3 2
88.0 2 1
87.5 4 4
87.0 1 1
86.5 5 6 1
86.0 3 5
85.5 5 4
85.0 2 6 2
84.0 7 2
83.5 1 1
83.0 9 5 1
82.5 3 4
82.0 3 5
81.5 6 7
81.0 1 2 1
80.5 5 4
80.0 4
79.5 2 1 1
79.0 7 5 2
78.5 5 2
78.0 5 3 1
77.5 3
77.0 9 3 2
76.5 5 1
76.0 1 5
75.5 9 4
75.0 3
74.5 1 4 3
74.0 2 2
73.5 2 6 1
73.0 10 4
72.5 1 3 1 1
72.0 7 3 1
71.5 3 2
71.0 6 1 1
70.5 4 1 1
70.0 4 2
69.5 1 3 2
69.0 2
68.5 6 5
68.0 3
67.5 1 2 1
67.0 3 2
66.5 2 1
66.0 6 6
65.5 1
65.0 1 1
64.5 3 1 1
64.0 1
63.5 3 1
63.0 2
62.5 4 3 1
62.0 4 1 1
61.5 1
61.0 2 1
60.5 1 1
60.0 3 3
59.5 2
59.0 3 1
58.5 1 1
58.0 1 2
57.5 1
57.0 1
56.5 1 1
56.0 2
55.5 1
55.0 1
54.0 2 1
53.5 1
53.0 1
52.0 1 1
50.0 1
48.5 1
48.0 1
47.0 1 1
46.5 1
45.5 1
43.5 1
43.0 1
42.0 1
41.5 1
36.0 2 2
35.5 1 1
22.0 1
American Mathematics Competitions
2006 AMC 12 A Results for Oregon
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 9.94* 0.00 0.01 0.03 0.00 0.01 0.00
2 1.33 0.09 3.67* 0.12 1.03 3.75 0.01
3 0.03 8.87* 0.03 0.03 1.00 0.04 0.00
4 1.97 0.22 0.06 0.12 7.32* 0.32 0.00
5 0.14 0.88 1.12 7.49* 0.09 0.28 0.00
6 7.91* 0.09 0.36 0.19 0.10 1.35 0.00
7 0.64 5.06* 0.75 0.61 0.29 2.65 0.00
8 0.97 1.17 6.65* 0.28 0.16 0.77 0.00
9 7.91* 0.10 0.07 0.01 0.32 1.58 0.00
10 0.20 0.09 0.54 3.48 1.67* 4.00 0.03
11 1.51 1.35 1.97* 0.97 0.48 3.72 0.00
12 1.84 5.25* 0.16 0.68 0.30 1.77 0.00
13 0.51 0.03 0.25 0.07 5.20* 3.94 0.00
14 0.03 0.62 4.87* 2.59 0.38 1.51 0.00
15 3.06* 1.48 0.48 0.39 1.22 3.38 0.00
16 0.28 3.33* 0.12 0.26 0.55 5.46 0.00
17 0.33 0.48* 0.41 0.48 0.10 8.20 0.00
18 1.54 0.12 0.33 0.58 0.42* 7.01 0.00
19 0.09 0.07 0.10 0.14 0.30* 9.28 0.01
20 1.77 0.75 0.57* 0.36 0.19 6.36 0.00
21 0.06 0.07 0.32 0.16 0.10* 9.29 0.00
22 0.09 0.09 0.13 0.13* 0.13 9.43 0.00
23 0.06 0.10* 0.19 0.06 0.16 9.42 0.01
24 1.16 0.10 0.17 0.25* 0.07 8.25 0.00
25 0.09 0.12 0.19 0.06 0.09* 9.46 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 10 B Results for Oregon
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 1 1
149.0 124.0 99.0
148.5 123.5 98.5 1
148.0 123.0 1 98.0 5
147.5 122.5 97.5 1
147.0 122.0 97.0 4 1
146.5 121.5 1 96.5 1
146.0 121.0 96.0 3 2
145.5 120.5 95.5
145.0 120.0 1 95.0 1 1
144.5 119.5 94.5 2 2
144.0 1 119.0 1 94.0 1
143.5 118.5 1 93.5 2 1
143.0 118.0 93.0
142.5 117.5 92.5 2 2
142.0 117.0 1 92.0 4 1
141.5 116.5 91.5 1
141.0 116.0 2 91.0 3 2
140.5 115.5 90.5 1
140.0 115.0 1 90.0 3
139.5 114.5 89.5 2 3
139.0 114.0 89.0 5 3
138.5 113.5 1 88.5 3 2
138.0 113.0 88.0 4 1
137.5 112.5 2 87.5 3 1
137.0 112.0 1 87.0 1
136.5 111.5 1 86.5 2 6
136.0 111.0 86.0 1 1
135.5 110.5 85.5 4
135.0 110.0 1 85.0 4 4
134.5 109.5 84.5 1 1
134.0 109.0 84.0 5 1
133.5 108.5 3 83.5
133.0 108.0 1 83.0 9 3
132.5 107.5 1 82.5 3 4
132.0 107.0 82.0 1 6
131.5 106.5 2 2 81.5 1 1
131.0 1 106.0 81.0 2 2
130.5 105.5 2 80.5 4 3
130.0 1 105.0 80.0 3 1
129.5 104.5 1 79.5 4 4
129.0 104.0 2 79.0 3 2
128.5 103.5 78.5 2 6
128.0 103.0 1 2 78.0 7 2
127.5 102.5 1 77.5 2 1
127.0 102.0 1 1 77.0 11 6
126.5 101.5 4 76.5 2 3
126.0 101.0 2 76.0 5 5
125.5 1 100.5 2 75.5 3 3
American Mathematics Competitions
2006 AMC 10 B Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 9 8 50.0 1 3 25.0
74.5 6 2 49.5 6 5 24.5 1
74.0 5 6 49.0 24.0 4 3
73.5 12 5 48.5 4 4 23.5
73.0 48.0 5 5 23.0
72.5 2 1 47.5 2 3 22.5
72.0 6 6 47.0 5 3 22.0 1
71.5 1 3 46.5 2 1 21.5
71.0 6 8 46.0 2 7 21.0 1
70.5 7 4 45.5 3 3 20.5
70.0 6 6 45.0 2 6 20.0
69.5 6 5 44.5 3 4 19.5
69.0 4 7 44.0 3 3 19.0
68.5 2 6 43.5 4 4 18.5
68.0 4 4 43.0 3 1 18.0 2 4
67.5 6 13 42.5 2 3 17.5
67.0 4 4 42.0 6 6 17.0
66.5 10 6 41.5 1 2 16.5
66.0 7 7 41.0 4 16.0
65.5 7 7 40.5 4 2 15.5
65.0 12 8 40.0 1 2 15.0
64.5 4 3 39.5 3 14.5
64.0 6 5 39.0 1 3 14.0
63.5 6 3 38.5 2 13.5
63.0 6 12 38.0 1 1 13.0
62.5 13 2 37.5 2 12.5
62.0 11 37.0 1 12.0 2 1
61.5 11 5 36.5 1 11.5
61.0 6 5 36.0 1 4 11.0
60.5 5 10 35.5 3 10.5
60.0 4 5 35.0 1 1 10.0
59.5 5 4 34.5 1 9.5
59.0 4 2 34.0 9.0
58.5 3 6 33.5 2 8.5
58.0 7 7 33.0 2 8.0
57.5 3 9 32.5 3 7.5
57.0 6 6 32.0 7.0
56.5 8 4 31.5 1 6.5
56.0 5 8 31.0 4 6.0
55.5 4 12 30.5 2 5.5
55.0 6 4 30.0 3 2 5.0
54.5 5 6 29.5 2 1 4.5
54.0 7 8 29.0 4.0
53.5 6 3 28.5 3.5
53.0 8 8 28.0 1 1 3.0
52.5 3 27.5 1 2.5
52.0 3 9 27.0 1 2.0
51.5 2 3 26.5 1.5
51.0 4 6 26.0 1 1.0
50.5 3 4 25.5 1 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 10 B Results for Oregon
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 unknown
---------------------------
144.0 1
131.0 1
130.0 1
125.5 1
123.0 1
121.5 1
120.0 1
119.0 1
118.5 1
117.0 1
116.0 2
115.0 1
113.5 1
112.5 1 1
112.0 1
111.5 1
111.0 1
110.0 1
109.0 1
108.5 2 1
108.0 1
107.5 1
106.5 1 1 1 1
105.5 1 1
104.5 1
104.0 2
103.0 2 1
102.5 1
102.0 1 1
101.5 2 2
101.0 1 1
100.5 1 1
100.0 1
99.5 1 1
98.5 1
98.0 1 1 3
97.5 1
97.0 2 3
96.5 1
96.0 1 2 2
95.0 2
94.5 4
94.0 1
93.5 3
92.5 1 2 1 1
92.0 1 3 1
91.5 1
91.0 3 2
90.5 1
90.0 2 1
89.5 1 3 1
89.0 1 2 5
88.5 1 1 1 3
88.0 5
87.5 2 2 1
87.0 2
86.5 5 4
86.0 2
85.5 2 2
85.0 1 7
84.5 2 1
84.0 1 5
83.0 1 1 3 7
82.5 1 1 1 4 1
82.0 3 4
81.5 2
81.0 4
80.5 2 5
80.0 2 2
79.5 1 4 3
79.0 3 1 1
78.5 3 6
78.0 1 6 2 1
77.5 1 2
77.0 8 10
76.5 2 2 1
76.0 3 8
75.5 2 4 1
75.0 1 7 9
74.5 3 5
74.0 4 7 1
73.5 9 9
73.0 1 1
72.5 2 1 1
72.0 6 5 1
71.5 1 3 1
71.0 7 7 1
70.5 5 6
70.0 1 7 5 1
69.5 5 6 1
69.0 3 8 1
68.5 7 3
68.0 6 1 1
67.5 1 11 7 1
67.0 4 4
66.5 6 9 1
66.0 1 6 8 1
65.5 8 6 1
65.0 8 14
64.5 1 3 3
64.0 5 7 2
63.5 1 8
63.0 1 10 8
62.5 9 6 2
62.0 5 6 1
61.5 1 5 10
61.0 8 4
60.5 1 8 7 1
60.0 5 7
59.5 1 2 6 2
59.0 3 2 2
58.5 4 5
58.0 6 7 3
57.5 2 9 1
57.0 6 6
56.5 1 7 4
56.0 8 6
55.5 1 4 11 1
55.0 4 5 2
54.5 5 6
54.0 9 6 1
53.5 5 5 1
53.0 1 7 8 2
52.5 1 2 1
52.0 1 5 6
51.5 1 1 3 1
51.0 4 7 1
50.5 4 5
50.0 1 3 1
49.5 7 5 2
48.5 5 3
48.0 10
47.5 4 1
47.0 6 3
46.5 1 3
46.0 5 4
45.5 7 2 1
45.0 8 1
44.5 6 1
44.0 4 2 1
43.5 6 2
43.0 3 2
42.5 2 2 1
42.0 6 6 1
41.5 3
41.0 1 3
40.5 3 3
40.0 2 1
39.5 3
39.0 4
38.5 2
38.0 1 1
37.5 1 1
37.0 1
36.5 1
36.0 4 1 2
35.5 3
35.0 1 1
34.5 1 1
33.5 1 1
33.0 1 1
32.5 3
31.5 1
31.0 4
30.5 1 1
30.0 2 4
29.5 3
28.0 2
27.5 1
27.0 1 1
26.0 1
25.5 1
24.5 1
24.0 2 5 1
22.0 1
21.0 1
18.0 2 4
12.0 3
American Mathematics Competitions
2006 AMC 10 B Results for Oregon
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 0.66 4.35* 1.67 0.87 1.24 0.00
2 3.68* 0.62 0.05 0.16 0.30 5.19 0.00
3 7.56* 0.21 0.04 1.47 0.43 0.28 0.01
4 1.36 2.12 0.25 2.63* 2.16 1.48 0.00
5 0.80 4.82* 2.00 0.29 0.17 1.92 0.00
6 0.49 0.18 3.28 2.52* 0.25 3.27 0.00
7 2.02* 1.16 0.97 1.14 0.48 4.21 0.01
8 1.44 0.78* 0.38 1.26 0.43 5.72 0.00
9 0.21 7.39* 0.19 0.17 1.02 1.03 0.00
10 1.97* 0.41 1.26 0.18 2.37 3.81 0.00
11 0.28 0.84 1.84* 0.47 0.23 6.34 0.00
12 0.27 0.33 0.27 0.61 3.48* 5.04 0.00
13 0.88 0.18 2.29 0.79 2.33* 3.53 0.00
14 0.22 0.21 0.24 0.37* 0.09 8.87 0.00
15 0.64 0.36 1.23* 0.23 0.31 7.23 0.00
16 1.86 0.47 1.86 0.74 1.53* 3.54 0.00
17 2.72 1.22 1.26 2.15* 0.17 2.49 0.00
18 0.63 0.30 0.56 0.32 0.64* 7.54 0.00
19 0.22* 0.35 0.26 0.14 0.23 8.79 0.00
20 0.41 0.29 0.21 0.55 0.65* 7.88 0.00
21 0.29 0.31 0.66* 1.94 0.50 6.30 0.00
22 0.24 0.55 1.72 0.72* 0.10 6.66 0.00
23 0.24 0.64 0.23 0.34* 0.19 8.35 0.00
24 0.21 0.64* 0.64 0.29 0.21 8.01 0.00
25 0.14 1.40* 0.29 1.53 0.38 6.26 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 Oregon
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 10 3
149.0 124.0 99.0
148.5 123.5 98.5 23 13
148.0 123.0 2 98.0 1
147.5 122.5 97.5 9 10
147.0 122.0 1 97.0 10 4
146.5 121.5 96.5
146.0 121.0 96.0 20 8
145.5 120.5 95.5
145.0 120.0 95.0 31 19
144.5 119.5 3 94.5 2 1
144.0 119.0 94.0 7 7
143.5 118.5 93.5 12 4
143.0 118.0 93.0 2
142.5 117.5 92.5 21 8
142.0 117.0 92.0 2 1
141.5 116.5 91.5 24 10
141.0 116.0 3 1 91.0 10 2
140.5 115.5 90.5 10 5
140.0 115.0 5 1 90.0 20 5
139.5 1 114.5 1 89.5
139.0 114.0 89.0 43 21
138.5 113.5 1 88.5 9 3
138.0 113.0 88.0 14 18
137.5 112.5 5 1 87.5 6 8
137.0 112.0 1 87.0 6 5
136.5 111.5 6 2 86.5 15 9
136.0 111.0 2 86.0 1
135.5 110.5 85.5 25 14
135.0 110.0 1 1 85.0 4 5
134.5 109.5 1 84.5 8 12
134.0 109.0 4 2 84.0 11 9
133.5 108.5 83.5 8 2
133.0 108.0 7 9 83.0 18 17
132.5 1 107.5 82.5 4 2
132.0 107.0 82.0 10 18
131.5 106.5 8 81.5 9 4
131.0 106.0 81.0 10 7
130.5 105.5 9 6 80.5 15 11
130.0 105.0 80.0 3 5
129.5 104.5 13 10 79.5 12 11
129.0 2 104.0 4 2 79.0 6 2
128.5 103.5 78.5 14 17
128.0 103.0 7 1 78.0 8 8
127.5 1 102.5 77.5 4 5
127.0 102.0 17 7 77.0 13 20
126.5 1 101.5 3 76.5 6 2
126.0 101.0 26 7 76.0 12 17
125.5 3 100.5 8 2 75.5 4 3
American Mathematics Competitions
2006 AMC 12 B Results for Oregon
SCORE DISTRIBUTION
GENDER
Score # Students Score # Students Score # Students
male female male female male female
75.0 4 13 50.0 1 1 25.0
74.5 13 10 49.5 1 1 24.5
74.0 4 2 49.0 2 24.0 1
73.5 4 14 48.5 23.5 1
73.0 2 3 48.0 4 3 23.0
72.5 7 17 47.5 1 22.5
72.0 10 3 47.0 1 22.0
71.5 4 5 46.5 1 1 21.5
71.0 15 10 46.0 21.0
70.5 3 45.5 20.5
70.0 9 13 45.0 1 1 20.0
69.5 6 5 44.5 1 1 19.5
69.0 4 3 44.0 2 19.0
68.5 9 7 43.5 1 18.5
68.0 2 2 43.0 1 1 18.0 1
67.5 3 9 42.5 17.5
67.0 4 3 42.0 4 4 17.0
66.5 6 6 41.5 1 16.5
66.0 7 6 41.0 3 16.0
65.5 4 4 40.5 15.5
65.0 3 11 40.0 15.0
64.5 3 2 39.5 14.5
64.0 4 11 39.0 14.0
63.5 1 5 38.5 1 13.5
63.0 3 11 38.0 13.0
62.5 3 6 37.5 12.5
62.0 1 3 37.0 12.0
61.5 6 8 36.5 11.5
61.0 3 3 36.0 1 2 11.0
60.5 1 5 35.5 1 10.5
60.0 5 4 35.0 10.0
59.5 1 1 34.5 9.5
59.0 3 6 34.0 9.0
58.5 2 1 33.5 8.5
58.0 1 3 33.0 8.0
57.5 2 32.5 1 1 7.5
57.0 3 2 32.0 7.0
56.5 3 3 31.5 6.5
56.0 1 3 31.0 6.0
55.5 1 30.5 5.5
55.0 1 1 30.0 5.0
54.5 1 2 29.5 4.5
54.0 6 4 29.0 4.0
53.5 2 28.5 3.5
53.0 3 28.0 1 3.0
52.5 1 27.5 2.5
52.0 27.0 2.0
51.5 2 26.5 1.5
51.0 1 26.0 1.0
50.5 2 25.5 .5
0.0 0 0
American Mathematics Competitions
2006 AMC 12 B Results for Oregon
SCORE DISTRIBUTION
score -----------grade-----------
6 7 8 9 10 11 12 13 unknown
---------------------------
139.5 1
132.5 1
129.0 1 1
127.5 1
126.5 1
125.5 3
123.0 2
122.0 2
119.5 1 2
116.0 3 1
115.0 1 5
114.5 1
114.0 1
113.5 1
112.5 1 1 4
112.0 1
111.5 2 3 3
111.0 2
110.0 2
109.5 1
109.0 5 1
108.0 1 1 5 9
106.5 1 3 4
105.5 4 4 7
104.5 1 1 5 6 10
104.0 1 3 3
103.0 4 7
102.0 1 3 9 12 1
101.5 1 2
101.0 1 16 17
100.5 5 5
99.5 1 4 9
98.5 1 1 6 17 11 1
98.0 1
97.5 1 14 5 1
97.0 1 2 6 7
96.0 2 16 13 1
95.0 2 3 20 28 1
94.5 1 3
94.0 1 7 6 1
93.5 1 2 6 10
93.0 1 1
92.5 3 11 15 2
92.0 2 1
91.5 1 1 6 21 7
91.0 6 6 1
90.5 1 1 3 7 3
90.0 1 4 9 12 1
89.0 6 32 26 4
88.5 1 7 4 1
88.0 1 8 12 11 2
87.5 1 7 6
87.0 5 4 2
86.5 8 9 10
86.0 1
85.5 2 8 19 16 1
85.0 7 2
84.5 1 2 8 10
84.0 2 4 9 6 2
83.5 1 6 3 1
83.0 1 3 18 13
82.5 1 2 2 1
82.0 5 17 9
81.5 1 1 3 8
81.0 1 3 6 8
80.5 7 9 11 1
80.0 1 6 1
79.5 4 11 9
79.0 5 4
78.5 1 1 5 14 11
78.0 4 7 5
77.5 6 3
77.0 1 5 20 9
76.5 1 2 5
76.0 3 5 13 8 2
75.5 1 2 3 1
75.0 2 2 8 6
74.5 4 12 8
74.0 5 2 1
73.5 2 3 9 4
73.0 5
72.5 1 2 3 11 9
72.0 8 5
71.5 1 5 5
71.0 1 3 14 7 3
70.5 1 1 3
70.0 6 11 5
69.5 7 4
69.0 4 3 1
68.5 1 11 4
68.0 3 1 1
67.5 2 2 7 2
67.0 1 4 2
66.5 2 1 5 4 1
66.0 1 2 7 3 1
65.5 1 2 3 2
65.0 2 9 4
64.5 1 1 3
64.0 1 1 8 5 1
63.5 1 3 2
63.0 4 4 5 3
62.5 3 7
62.0 1 3 1
61.5 1 1 10 3
61.0 4 2
60.5 4 1 1
60.0 6 3 1
59.5 1 1
59.0 1 1 5 2
58.5 1 1 2
58.0 4 1
57.5 2
57.0 1 1 2 1
56.5 4 2
56.0 1 3
55.5 1
55.0 1 1
54.5 2 1
54.0 1 4 5
53.5 2 1
53.0 1 3 1
52.5 1
52.0 1
51.5 2 1
51.0 1
50.5 1 1
50.0 2 1
49.5 1 1 1
49.0 1 1 1
48.0 1 6
47.5 1
47.0 1
46.5 3
45.0 1 1
44.5 1 1
44.0 1 1
43.5 1
43.0 1 2
42.0 1 1 3 3
41.5 1
41.0 1 2
38.5 1
36.0 1 2 1
35.5 1
32.5 2
28.0 1
24.0 1
23.5 1
18.0 1
American Mathematics Competitions
2006 AMC 12 B Results for Oregon
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 0.54 0.46 7.41* 0.98 0.35 0.26 0.01
2 6.66* 0.39 0.12 0.08 0.29 2.47 0.00
3 8.37* 0.23 0.02 0.95 0.23 0.21 0.01
4 9.15* 0.31 0.10 0.23 0.03 0.17 0.00
5 6.82* 0.83 0.31 0.23 0.16 1.66 0.00
6 0.08 8.73* 0.08 0.06 0.49 0.57 0.00
7 0.41 8.46* 0.35 0.32 0.13 0.33 0.00
8 0.16 0.24 0.24 0.40 6.33* 2.63 0.01
9 0.44 4.13* 0.27 0.71 0.44 4.01 0.01
10 2.46* 0.47 1.15 0.15 2.77 3.00 0.00
11 0.85 0.12 1.19 0.75 4.14* 2.94 0.01
12 0.65 0.47 0.28 0.66* 0.58 7.36 0.00
13 0.49 0.34 2.22* 0.15 0.35 6.44 0.01
14 0.18 0.40 2.07 1.55* 0.05 5.76 0.00
15 0.16 1.43* 0.69 0.22 0.21 7.29 0.00
16 0.18 0.16 0.68* 0.18 0.13 8.68 0.00
17 0.47 0.23 0.96* 1.59 0.31 6.44 0.00
18 0.43 0.69* 0.97 0.28 0.21 7.41 0.00
19 0.12 1.68* 0.12 1.16 0.37 6.55 0.01
20 0.12 0.19 0.15* 0.09 0.41 9.04 0.00
21 0.19 0.10 0.13* 0.11 0.07 9.39 0.00
22 0.09 0.19* 0.19 0.09 0.03 9.40 0.00
23 0.20 0.18 0.32 0.13 0.05* 9.12 0.00
24 0.10 0.10 0.07* 0.16 0.07 9.50 0.00
25 0.07 0.14* 0.16 0.23 0.10 9.31 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column