American Mathematics Competitions
2008 AMC 10 A Results for Kansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1065
Number of unofficial participants: 8
Average score of participants: 48.3
Average score for female students is: 46.2 ( 456 Students)
Average score for male students is: 50.5 ( 473 Students)
Average score for unspecified gender is 47.9 ( 136 Students)
Average score for grade 10 is: 48.9 ( 551 Students)
Average score for grade 9 is: 46.4 ( 425 Students)
Average score for grade 8 and below is: 61.4 ( 36 Students)
Average score with unknown grade: 49.0 ( 53 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 4
Number of schools returning results 47
Average school winning score 78.22
American Mathematics Competitions
2008 AMC 12 A Results for Kansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1204
Number of unofficial participants: 0
Average score of participants: 56.3
Average score for female students is: 53.1 ( 506 Students)
Average score for male students is: 58.4 ( 582 Students)
Average score for unspecified gender is 59.5 ( 116 Students)
Average score for grade 12 is: 58.2 ( 489 Students)
Average score for grade 11 is: 54.9 ( 559 Students)
Average score for grade 10 is: 53.7 ( 94 Students)
Average score for grade 9 is: 54.1 ( 26 Students)
Average score for grade 8 and below is: 66.8 ( 2 Students)
Average score with unknown grade: 58.8 ( 34 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 22
Number of schools returning results 51
Average school winning score 85.47
Average school team score 231.06
American Mathematics Competitions
2008 AMC 10 B Results for Kansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 210
Number of unofficial participants: 0
Average score of participants: 59.9
Average score for female students is: 52.3 ( 76 Students)
Average score for male students is: 64.2 ( 115 Students)
Average score for unspecified gender is 63.9 ( 19 Students)
Average score for grade 10 is: 59.9 ( 113 Students)
Average score for grade 9 is: 57.1 ( 68 Students)
Average score for grade 8 and below is: 69.1 ( 23 Students)
Average score with unknown grade: 53.8 ( 6 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 2
Number of schools returning results 19
Average school winning score 89.37
American Mathematics Competitions
2008 AMC 12 B Results for Kansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 387
Number of unofficial participants: 0
Average score of participants: 61.2
Average score for female students is: 57.0 ( 150 Students)
Average score for male students is: 63.4 ( 215 Students)
Average score for unspecified gender is 68.5 ( 22 Students)
Average score for grade 12 is: 61.4 ( 181 Students)
Average score for grade 11 is: 61.4 ( 146 Students)
Average score for grade 10 is: 60.3 ( 37 Students)
Average score for grade 9 is: 56.9 ( 19 Students)
Average score with unknown grade: 73.5 ( 4 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 7
Number of schools returning results 25
Average school winning score 85.92
Average school team score 234.84
2008 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
318.0 1 1
316.5 1 2
312.0 1 3
310.5 1 4
309.0 1 5
298.5 1 6
297.0 1 7
294.0 1 8
288.0 1 9
280.5 1 10
279.0 1 11
277.5 1 1 12
276.0 2 14
274.5 1 16
270.0 4 17
259.5 2 21
258.0 1 23
256.5 1 24
253.5 1 25
252.0 1 26
249.0 1 1 27
247.5 1 29
244.5 1 2 30
240.0 1 1 33
238.5 1 35
235.5 1 1 36
234.0 1 38
232.5 1 39
231.0 1 40
229.5 1 2 41
223.5 1 44
220.5 1 1 45
217.5 1 1 47
216.0 1 49
214.5 1 1 50
211.5 1 52
208.5 1 53
205.5 1 54
204.0 1 55
201.0 2 56
199.5 1 58
198.0 2 59
196.5 1 61
193.5 1 62
189.0 1 63
187.5 1 64
184.5 1 65
181.5 1 66
178.5 1 67
175.5 2 68
174.0 3 70
165.0 1 73
150.0 2 74
76.5 1 76
2008 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
129.0 1
124.5 1
123.0 1
120.0 1 1
117.0 1
115.5 1
114.0 2 1 1 1
111.0 1
109.5 1
108.0 1 1
106.5 3
105.0 4 2 1
103.5 2 1 2
102.0 2 2 4 1
100.5 2 1
99.0 2 1 1
97.5 3 2 1
96.0 4 1 1 2
94.5 8 2 1 1
93.0 2 1 4
91.5 2 3
90.0 3 6 4 2
88.5 7 2
87.0 8 6 3 2
85.5 5 1 2
84.0 9 1 1
82.5 12 2 4 1
81.0 12 7 6 5
79.5 15 4 4 3
78.0 17 5 9 2
76.5 17 9 6 1
75.0 10 9 6 2
73.5 20 7 5 4
72.0 27 20 5 9
70.5 24 17 7 2
69.0 31 12 10 7
67.5 29 14 16 9
66.0 35 17 18 3
64.5 29 12 18 3
63.0 31 17 11 12
61.5 35 17 19 3
60.0 51 19 25 11
58.5 33 16 29 7
57.0 46 17 30 8
55.5 36 8 35 7
54.0 55 16 37 10
52.5 44 9 54 3
51.0 42 9 41 9
49.5 49 9 39 8
48.0 66 14 64 6
46.5 45 17 45 10
45.0 31 12 50 4
43.5 46 10 51 4
42.0 53 8 42 5
40.5 36 8 48 6
39.0 36 1 38 5
37.5 22 1 26 2
36.0 22 5 42 4
34.5 15 1 31 4
33.0 20 29 1
31.5 7 1 27 2
30.0 14 5 33 3
28.5 6 1 16 3
27.0 6 9
25.5 2 13
24.0 3 1 15
22.5 1 1 2
21.0 1 5 1
19.5 1 4
18.0 2 5
16.5 1
15.0 1
13.5 1
12.0 1 2
6.0 2
American Mathematics Competitions
2008 AMC 10 A Results for Kansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
129.0 1 1
123.0 1 1
120.0 1 1
117.0 1 1
114.0 1 1
105.0 1 1
103.5 1 1
102.0 3 1 1 1 1
99.0 1 1
97.5 2 2
96.0 1
94.5 1
93.0 1 1
90.0 2 1 3
88.5 1 1 1 1
87.0 3 1 2
85.5 2 1 1
84.0 1 1
82.5 3 2 1 1
81.0 2 4 2 4
79.5 1 3 3 1
78.0 6 4 3 2
76.5 5 2 4
75.0 3 1 2 4
73.5 2 3 5
72.0 3 1 2 1 1
70.5 4 3 3 4
69.0 6 3 1 4 5
67.5 7 8 5 9 2
66.0 7 10 1 3 13 1
64.5 12 6 1 1 4 12
63.0 7 3 1 6 4
61.5 7 11 8 11
60.0 11 12 1 5 19
58.5 9 15 1 8 16 4
57.0 16 13 13 16 1
55.5 18 12 1 15 18 1
54.0 17 13 1 11 23 2
52.5 23 25 1 25 27 1
51.0 21 13 3 14 21 3
49.5 19 17 1 15 22 1
48.0 31 26 1 25 36 2
46.5 21 18 1 16 24 4
45.0 18 26 2 21 23 4
43.5 23 15 21 23 7
42.0 18 22 27 15
40.5 15 26 1 16 30 1
39.0 12 19 1 1 14 19 3
37.5 13 10 1 11 12 2
36.0 19 21 2 22 17 1
34.5 12 16 1 11 18 1
33.0 11 14 1 9 18 1
31.5 8 15 14 12 1
30.0 12 15 1 15 14 3
28.5 3 8 10 5 1
27.0 4 4 5 4
25.5 7 6 5 8
24.0 6 7 8 6 1
22.5 1 1 1 1
21.0 2 2 3 2
19.5 1 3 3 1
18.0 4 2 3
16.5 1 1
15.0 1 1
13.5 1 1
12.0 1 1 1 1
6.0 1 2
American Mathematics Competitions
2008 AMC 10 A Results for Kansas
Analysis
Table of Item Difficulty for the 2008
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 2.16 1.03 10.80 79.25* 5.07 1.69 0.00
2 34.27* 21.78 30.14 1.69 1.41 10.70 0.00
3 55.59* 6.29 5.54 2.07 4.04 26.48 0.00
4 4.79 10.99 37.75* 14.46 8.64 23.38 0.00
5 7.79 24.88* 6.48 4.13 3.85 52.86 0.00
6 2.16 2.82 4.23 15.31* 50.70 24.79 0.00
7 47.89 5.16 5.16 3.66 5.82* 32.30 0.00
8 36.24* 8.73 4.41 20.09 4.23 26.29 0.00
9 7.42 20.47* 19.34 21.78 7.32 23.66 0.00
10 2.91 39.72 9.95 0.75 33.90* 12.77 0.00
11 6.01 5.16 9.39 54.27* 10.52 14.65 0.00
12 11.74 5.16 21.22* 9.48 7.32 45.07 0.00
13 17.09 34.74 8.36 18.87* 4.04 16.90 0.00
14 6.38 8.73 6.48 12.02* 5.82 60.56 0.00
15 3.66 3.38 33.24 20.38* 7.51 31.83 0.00
16 3.19 7.04* 4.13 19.44 8.45 57.75 0.00
17 8.17 4.69* 7.61 5.54 5.26 68.73 0.00
18 5.35 7.42* 6.01 5.45 4.41 71.36 0.00
19 6.29 6.57 6.76* 5.63 4.69 70.05 0.00
20 4.04 7.98 18.40 7.14* 3.19 59.25 0.00
21 11.64* 15.49 6.10 5.45 3.66 57.65 0.00
22 9.58 5.07 25.73 18.78* 8.45 32.39 0.00
23 12.11 6.67* 8.36 7.04 2.35 63.47 0.00
24 6.01 11.36 8.64 5.16* 9.58 59.15 0.09
25 3.66 8.08 6.57* 5.16 7.04 69.48 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
2008 AMC 12 A Results for Kansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
114.0 2 1 1
111.0 1 1
108.0 1 1
106.5 2 1 2
105.0 3 1 2 2
103.5 2 1 1
102.0 1 1 1
100.5 1 1 1
99.0 2 2
97.5 3 1 1 1
96.0 3 1 2 2
94.5 4 2 1 1 5 1
93.0 1 1 1
91.5 1 1 1
90.0 1 1 1 2
88.5 3 2 1 2 4
87.0 6 1 1 6 1
85.5 2 2 3 2
84.0 7 1 3 5 1
82.5 7 3 1 10 1
81.0 9 2 2 6 4
79.5 6 6 2 1 5 7
78.0 6 9 8 8 1
76.5 12 4 1 9 7
75.0 7 2 4 6
73.5 9 9 11 7 2
72.0 13 12 2 12 13
70.5 9 12 1 1 13 8 1
69.0 17 12 1 6 12 12
67.5 14 13 2 15 11 1
66.0 19 12 3 16 13 3
64.5 16 10 2 1 11 15
63.0 16 10 1 3 10 14 3
61.5 21 13 2 16 16 1
60.0 30 17 1 5 25 20
58.5 21 9 3 18 11 1
57.0 25 17 3 24 19
55.5 16 18 1 2 19 12 2
54.0 34 14 1 5 24 23 2
52.5 21 18 2 2 19 18 3
51.0 21 17 2 4 23 12 1
49.5 20 27 1 1 21 26
48.0 25 34 9 30 26 1
46.5 17 22 1 4 19 20 1
45.0 12 16 1 4 15 11
43.5 17 24 6 26 12 2
42.0 23 26 1 2 3 28 19
40.5 14 20 2 4 19 10 1
39.0 14 19 1 1 22 11 1
37.5 7 13 1 9 12
36.0 9 13 1 3 8 10
34.5 7 7 1 1 6 6 1
33.0 5 13 2 9 9
31.5 4 3 5 2
30.0 7 5 7 6 1
28.5 5 2 2 1 1
27.0 2 4 1 4 1
25.5 2 2
24.0 3 1 1 1
22.5 1 1
21.0 1 1
19.5 1 1
12.0 1 1
American Mathematics Competitions
2008 AMC 12 A Results for Kansas
Analysis
Table of Item Difficulty for the 2008
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 2.33 0.75 7.72 82.97* 4.40 1.83 0.00
2 86.38* 5.65 2.82 0.50 3.57 1.08 0.00
3 5.23 6.31 53.90* 8.47 5.98 20.10 0.00
4 7.56 33.39* 5.90 4.57 2.16 46.43 0.00
5 2.08 31.15* 15.28 24.00 6.23 21.26 0.00
6 44.93* 6.98 2.99 24.09 2.16 18.85 0.00
7 6.15 4.49 6.64 59.05* 8.47 15.20 0.00
8 6.48 8.72 40.86* 6.98 16.20 20.76 0.00
9 4.90 8.39 6.81 23.92* 4.15 51.83 0.00
10 14.20 29.57 11.21 25.17* 3.32 16.53 0.00
11 4.82 7.06 48.34* 5.48 6.89 27.41 0.00
12 9.30 13.37* 7.97 7.64 5.23 56.48 0.00
13 3.65 12.21* 5.32 20.02 7.23 51.58 0.00
14 9.05* 5.32 4.07 5.90 2.91 72.76 0.00
15 8.22 8.97 8.97 6.81* 11.30 55.73 0.00
16 3.32 7.48 6.40 5.73* 1.08 76.00 0.00
17 1.58 4.57 4.65 6.31* 4.65 78.24 0.00
18 2.24 3.82 4.65* 2.82 6.81 79.65 0.00
19 2.82 6.98 6.81* 4.65 1.16 77.57 0.00
20 1.50 4.40 4.07 3.07 4.07* 82.89 0.00
21 5.48 3.57 4.82 6.23* 2.41 77.49 0.00
22 3.99 7.23 5.07* 4.73 4.24 74.67 0.08
23 2.16 2.82 2.91 3.57* 1.66 86.88 0.00
24 4.15 10.13 8.06 3.32* 5.73 68.60 0.00
25 1.74 3.57 5.23 5.73* 3.90 79.82 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
2008 AMC 10 B Results for Kansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
124.5 1 1
120.0 1 1
114.0 1 1
109.5 1
103.5 2 1 1
102.0 1 1
100.5 1 1
99.0 1
97.5 1 1
96.0 1 2
94.5 1 1
93.0 3 1 1 1 2
90.0 2 1 1
87.0 1 1 1
82.5 1 1
81.0 4 1 1 3
79.5 3 3
78.0 1 1 2
76.5 1 1
75.0 2 2
73.5 2 1 2 1
72.0 8 1 2 7
70.5 2 1 1
69.0 5 2 3 4
67.5 4 5 3 6
66.0 1 1 1 2
64.5 3 3
63.0 8 4 4 7 1
61.5 2 1 3
60.0 7 3 1 4 5 1
58.5 3 2 3 4
57.0 5 2 1 4 3
55.5 2 5 1 3 3
54.0 4 5 1 2 6 1
52.5 2 1 1 2
51.0 3 6 1 2 6
49.5 6 2 1 2 5
48.0 5 1 1 3 2
46.5 2 6 3 4 3
45.0 2 2 2 2
43.5 4 2 2
42.0 1 3 2 3
40.5 4 2 1 1 4
39.0 5 5
37.5 1 1 1
36.0 2 2 2 2
34.5 2 1 2 1
33.0 1 1
31.5 1 1 1 1
30.0 2 1 1 1 1
28.5 2 1 3
21.0 1 1
American Mathematics Competitions
2008 AMC 10 B Results for Kansas
Analysis
Table of Item Difficulty for the 2008
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 3.33 0.48 3.33 11.43 77.14* 4.29 0.00
2 6.19 73.81* 9.52 0.48 2.38 7.62 0.00
3 22.38 3.33 4.76 27.14* 3.81 38.57 0.00
4 10.95 16.19 58.57* 0.95 1.90 11.43 0.00
5 33.81* 7.14 1.43 1.43 3.33 52.86 0.00
6 4.76 4.76 37.62* 11.90 7.62 33.33 0.00
7 6.67 6.67 62.38* 5.71 3.81 14.76 0.00
8 1.43 8.10 47.62* 10.95 10.95 20.95 0.00
9 12.38* 3.33 5.24 7.62 8.57 62.86 0.00
10 14.29* 8.10 1.90 3.81 5.24 66.67 0.00
11 1.43 8.10* 6.19 9.52 4.76 70.00 0.00
12 79.52* 4.29 3.33 1.43 1.90 9.52 0.00
13 21.43 8.10* 8.10 3.33 3.81 55.24 0.00
14 10.95 26.19* 1.90 3.33 2.38 55.24 0.00
15 10.48* 10.00 5.71 4.76 3.81 65.24 0.00
16 29.52* 23.81 2.38 5.71 3.33 35.24 0.00
17 16.19 6.19* 23.33 13.81 10.48 30.00 0.00
18 8.57 15.71* 10.95 7.14 4.29 53.33 0.00
19 1.90 1.43 10.00 11.90 1.43* 73.33 0.00
20 8.57 41.90* 7.62 8.10 4.29 29.52 0.00
21 10.00 8.10 3.81* 3.33 5.71 69.05 0.00
22 15.71 8.10 20.95* 10.95 6.67 37.62 0.00
23 11.43 9.05* 3.33 9.05 3.33 63.81 0.00
24 7.62 8.57 13.81* 8.10 7.62 54.29 0.00
25 23.33 12.86* 9.05 2.38 5.71 46.67 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
2008 AMC 12 B Results for Kansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
115.5 1 1
114.0 1 1
108.0 1
105.0 2 2
102.0 1 1 1
96.0 1 1
94.5 1 1 1
91.5 3 2 1
90.0 3 3 3 3
87.0 5 3 3
85.5 1 1
84.0 1 1
82.5 2 1 1
81.0 5 2 1 2 4
79.5 3 1 2 2
78.0 4 1 1 1 3
76.5 6 2 1 1 5 2
75.0 5 2 2 7
73.5 3 4 1 3 3
72.0 14 6 4 5 11
70.5 11 4 2 8 7
69.0 8 4 2 3 7
67.5 10 3 1 7 6
66.0 11 4 2 10 5
64.5 3 8 1 6 5
63.0 11 6 1 6 10
61.5 11 5 2 3 7 5
60.0 8 10 1 4 14
58.5 7 8 2 7 7
57.0 6 9 1 6 10
55.5 4 4 1 7
54.0 9 7 2 2 6 6
52.5 5 3 3 5 1
51.0 6 3 2 2 5
49.5 4 4 2 2 5
48.0 4 9 2 5 7
46.5 13 4 1 3 7 6
45.0 3 9 1 1 3 6 1
43.5 4 6 2 2 6
42.0 4 4 1 4 3
40.5 2 5 2 3 3
39.0 1 1
37.5 1 1
36.0 4 1 1 4
34.5 1 1
31.5 1 1
30.0 4 1 1 4
28.5 1 1
24.0 1 1
22.5 1 1
18.0 2 2
American Mathematics Competitions
2008 AMC 12 B Results for Kansas
Analysis
Table of Item Difficulty for the 2008
American High School Mathematics Examination
Tabulation of responses for all Participants
Percent of Responses
ITEM A B C D E OMITS ?
____ _____ _____ _____ _____ _____ _____ _____
1 4.91 1.03 1.81 10.34 80.36* 1.55 0.00
2 6.20 76.49* 9.30 1.81 1.55 4.65 0.00
3 7.49 8.79 72.61* 2.33 1.81 6.98 0.00
4 2.33 4.13 3.88 66.93* 3.10 19.64 0.00
5 2.33 8.01 61.24* 8.01 6.72 13.70 0.00
6 85.27* 5.68 2.07 0.78 2.07 4.13 0.00
7 58.40* 6.72 0.26 1.03 2.07 31.52 0.00
8 3.62 4.13 47.55* 8.27 6.20 30.23 0.00
9 17.57* 6.46 4.65 4.39 4.39 62.53 0.00
10 3.88 25.58* 13.95 5.17 2.58 48.84 0.00
11 8.01* 6.72 3.36 9.82 29.72 42.38 0.00
12 23.26 10.85* 6.98 3.36 4.65 50.90 0.00
13 0.78 8.79* 4.39 3.88 1.81 80.36 0.00
14 6.20 4.91 16.28* 9.56 4.91 58.14 0.00
15 2.33 4.13 6.46* 5.68 4.39 77.00 0.00
16 20.16 9.04* 6.46 7.24 1.29 55.81 0.00
17 3.36 5.43 6.46* 3.36 2.58 78.81 0.00
18 2.07 2.58 5.17 7.75 6.72* 75.71 0.00
19 6.46 4.91* 6.46 3.10 1.81 77.26 0.00
20 27.65 13.18* 8.01 4.13 3.36 43.67 0.00
21 1.81 3.36 4.13 3.36 3.36* 83.98 0.00
22 8.01 6.46 6.98 4.91 10.34* 63.31 0.00
23 2.33* 5.43 4.91 3.62 2.07 81.65 0.00
24 2.84 3.62 4.13* 3.10 2.07 84.24 0.00
25 1.03 2.84* 5.43 4.39 4.13 82.17 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column