American Mathematics Competitions
2008 AMC 10 A Results for Kentucky
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 30
Number of unofficial participants: 0
Average score of participants: 44.0
Average score for female students is: 39.9 ( 15 Students)
Average score for male students is: 48.6 ( 12 Students)
Average score for unspecified gender is 46.5 ( 3 Students)
Average score for grade 10 is: 44.0 ( 22 Students)
Average score for grade 9 is: 44.1 ( 8 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 0
Number of schools returning results 4
Average school winning score 56.63
American Mathematics Competitions
2008 AMC 12 A Results for Kentucky
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 39
Number of unofficial participants: 0
Average score of participants: 59.5
Average score for female students is: 52.1 ( 12 Students)
Average score for male students is: 63.6 ( 19 Students)
Average score for unspecified gender is 60.6 ( 8 Students)
Average score for grade 12 is: 70.4 ( 13 Students)
Average score for grade 11 is: 53.8 ( 25 Students)
Average score for grade 10 is: 58.5 ( 1 Student)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 2
Number of schools returning results 5
Average school winning score 85.80
Average school team score 194.40
American Mathematics Competitions
2008 AMC 10 B Results for Kentucky
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 416
Number of unofficial participants: 6
Average score of participants: 62.6
Average score for female students is: 55.5 ( 189 Students)
Average score for male students is: 70.4 ( 188 Students)
Average score for unspecified gender is 59.4 ( 39 Students)
Average score for grade 10 is: 64.5 ( 192 Students)
Average score for grade 9 is: 60.9 ( 196 Students)
Average score for grade 8 and below is: 62.3 ( 9 Students)
Average score with unknown grade: 60.9 ( 19 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 12
Number of schools returning results 22
Average school winning score 96.82
American Mathematics Competitions
2008 AMC 12 B Results for Kentucky
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 556
Number of unofficial participants: 2
Average score of participants: 62.7
Average score for female students is: 57.7 ( 209 Students)
Average score for male students is: 66.2 ( 297 Students)
Average score for unspecified gender is 63.3 ( 50 Students)
Average score for grade 13 is: 105.0 ( 1 Student)
Average score for grade 12 is: 67.5 ( 194 Students)
Average score for grade 11 is: 61.9 ( 238 Students)
Average score for grade 10 is: 62.4 ( 44 Students)
Average score for grade 9 is: 51.1 ( 59 Students)
Average score for grade 8 and below is: 65.2 ( 11 Students)
Average score with unknown grade: 53.7 ( 9 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 17
Number of schools returning results 25
Average school winning score 90.90
Average school team score 243.60
2008 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
367.5 1 1
333.0 1 2
319.5 1 3
280.5 2 4
279.0 1 6
273.0 1 7
270.0 1 8
259.5 1 9
258.0 1 10
255.0 1 11
243.0 1 12
241.5 2 13
240.0 1 15
234.0 1 16
231.0 1 17
228.0 2 18
225.0 1 20
220.5 2 21
214.5 1 23
192.0 1 24
183.0 1 25
180.0 1 26
172.5 1 27
165.0 1 28
148.5 1 29
78.0 1 30
2008 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
139.5 1
138.0 2
133.5 1
132.0 1
129.0 1
127.5 1
123.0 1
120.0 6
118.5 1
117.0 1
114.0 1
112.5 1
111.0 1
109.5 1
108.0 2
105.0 4 6
102.0 1 1
100.5 3 3
99.0 1 2
97.5 4
96.0 3 3
94.5 7 2
93.0 2
91.5 6 1
90.0 3 6
88.5 2 3 4
87.0 3 2
85.5 2 1
84.0 5 3
82.5 11 3
81.0 10 8
79.5 6 5
78.0 3 16 10
76.5 13 12
75.0 17 7
73.5 1 16 10
72.0 1 23 10
70.5 2 17 7
69.0 1 22 16
67.5 1 23 2 8
66.0 17 19
64.5 1 22 12
63.0 19 1 12
61.5 17 1 11
60.0 1 23 1 19
58.5 2 15 11
57.0 2 22 15
55.5 2 22 11
54.0 5 15 3 22
52.5 21 12
51.0 1 12 1 11
49.5 9 9
48.0 19 2 16
46.5 2 14 1 9
45.0 1 9 9
43.5 3 8 2 7
42.0 3 9 1 16
40.5 7 6
39.0 9 2 4
37.5 7 1 7
36.0 2 7 3 12
34.5 4 3 4
33.0 5 3 2
31.5 5 2 3
30.0 1 8 4
28.5 1 1
27.0 2
25.5 1
24.0 2 1
22.5 1 1
18.0 2 1
12.0 1
American Mathematics Competitions
2008 AMC 10 A Results for Kentucky
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
67.5 2 1 1
63.0 1 1
61.5 1 1
60.0 1 1
54.0 2 1 3
51.0 1 1
48.0 2
46.5 1 1
43.5 1 1 1
42.0 1 1
39.0 2 1 1
37.5 1 1
36.0 1 2 1 2
34.5 2 1 1 2
33.0 3 3
31.5 2 2
28.5 1 1
American Mathematics Competitions
2008 AMC 10 A Results for Kentucky
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 0.00 0.00 13.33 86.67* 0.00 0.00 0.00
2 30.00* 16.67 33.33 0.00 0.00 20.00 0.00
3 66.67* 6.67 3.33 6.67 0.00 16.67 0.00
4 13.33 16.67 33.33* 6.67 10.00 20.00 0.00
5 13.33 20.00* 3.33 0.00 0.00 63.33 0.00
6 3.33 10.00 6.67 13.33* 60.00 6.67 0.00
7 53.33 6.67 3.33 0.00 3.33* 33.33 0.00
8 43.33* 10.00 3.33 10.00 3.33 30.00 0.00
9 3.33 26.67* 20.00 16.67 6.67 26.67 0.00
10 3.33 66.67 6.67 0.00 16.67* 6.67 0.00
11 10.00 10.00 6.67 33.33* 13.33 26.67 0.00
12 10.00 10.00 6.67* 6.67 3.33 63.33 0.00
13 23.33 46.67 10.00 13.33* 0.00 6.67 0.00
14 6.67 10.00 6.67 3.33* 6.67 66.67 0.00
15 6.67 3.33 40.00 13.33* 13.33 23.33 0.00
16 0.00 3.33* 0.00 23.33 3.33 70.00 0.00
17 6.67 6.67* 3.33 13.33 3.33 66.67 0.00
18 6.67 3.33* 3.33 6.67 3.33 76.67 0.00
19 3.33 20.00 0.00* 6.67 0.00 70.00 0.00
20 3.33 3.33 26.67 0.00* 3.33 63.33 0.00
21 16.67* 10.00 0.00 3.33 3.33 66.67 0.00
22 3.33 6.67 36.67 16.67* 10.00 26.67 0.00
23 20.00 10.00* 10.00 0.00 3.33 56.67 0.00
24 6.67 6.67 16.67 6.67* 13.33 50.00 0.00
25 0.00 10.00 3.33* 13.33 0.00 73.33 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 Kentucky
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
102.0 1 1
99.0 1 1
88.5 1 2
78.0 2 1 2
73.5 1 1
72.0 1 1
70.5 1 1 2
69.0 1 1
67.5 1 1
64.5 1
60.0 1 1
58.5 2 1 1
57.0 1 1 1
55.5 2 1 1
54.0 3 2 3
51.0 1 1
46.5 2 2
45.0 1
43.5 2 3
42.0 2 1 3
36.0 1 1 2
30.0 1 1
American Mathematics Competitions
2008 AMC 12 A Results for Kentucky
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 0.00 0.00 7.69 92.31* 0.00 0.00 0.00
2 94.87* 0.00 0.00 2.56 2.56 0.00 0.00
3 0.00 5.13 66.67* 25.64 0.00 2.56 0.00
4 5.13 51.28* 7.69 2.56 2.56 30.77 0.00
5 2.56 20.51* 23.08 38.46 5.13 10.26 0.00
6 53.85* 7.69 2.56 28.21 0.00 7.69 0.00
7 10.26 7.69 5.13 64.10* 7.69 5.13 0.00
8 5.13 12.82 46.15* 5.13 23.08 7.69 0.00
9 5.13 12.82 10.26 28.21* 10.26 33.33 0.00
10 17.95 28.21 12.82 35.90* 2.56 2.56 0.00
11 12.82 5.13 64.10* 5.13 0.00 12.82 0.00
12 7.69 17.95* 23.08 0.00 17.95 33.33 0.00
13 15.38 15.38* 7.69 17.95 7.69 35.90 0.00
14 15.38* 12.82 12.82 7.69 0.00 51.28 0.00
15 7.69 17.95 12.82 2.56* 17.95 41.03 0.00
16 5.13 20.51 7.69 15.38* 2.56 48.72 0.00
17 0.00 2.56 10.26 10.26* 7.69 69.23 0.00
18 7.69 10.26 10.26* 5.13 2.56 64.10 0.00
19 2.56 15.38 15.38* 5.13 0.00 61.54 0.00
20 5.13 0.00 10.26 2.56 5.13* 76.92 0.00
21 10.26 7.69 7.69 5.13* 2.56 66.67 0.00
22 0.00 20.51 5.13* 12.82 5.13 56.41 0.00
23 0.00 5.13 5.13 10.26* 2.56 76.92 0.00
24 0.00 15.38 17.95 2.56* 10.26 53.85 0.00
25 12.82 7.69 2.56 15.38* 2.56 58.97 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 Kentucky
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
139.5 1 1
138.0 2 2
133.5 1 1
129.0 1 1
123.0 1 1
120.0 6 1 3 2
117.0 1 1
112.5 1 1
111.0 1 1
105.0 6 2 4
100.5 3 1 2
97.5 4 2 2
96.0 2 1 3
94.5 1 1 1
91.5 1 1
90.0 6 4 2
88.5 3 1 1 3
87.0 2 2
85.5 1 1
84.0 2 1 3
82.5 2 1 2
81.0 5 3 2 5 1
79.5 1 3 1 4
78.0 6 3 5 4 1
76.5 3 7 2 8 2
75.0 3 4 4 3
73.5 6 4 4 6
72.0 5 4 5 5
70.5 5 1 4 3
69.0 7 6 10 5 1
67.5 4 3 6 2
66.0 7 7 1 9 7 2
64.5 6 5 1 6 5
63.0 7 5 5 7
61.5 2 8 4 6 1
60.0 6 11 1 9 8 1
58.5 7 2 1 2 8
57.0 5 10 11 3 1
55.5 7 4 6 5
54.0 6 12 1 14 6 1
52.5 4 8 8 4
51.0 2 8 8 3
49.5 5 3 3 6
48.0 7 5 1 9 6
46.5 5 4 1 3 5
45.0 3 6 5 4
43.5 2 5 1 1 5
42.0 6 10 5 11
40.5 1 4 3 2 1
39.0 4 3 1
37.5 2 3 4 1 2
36.0 2 9 6 4 2
34.5 4 3 1
33.0 2 1 1
31.5 2 1 1 2
30.0 1 1 1 3
28.5 1 1
27.0 2 2
24.0 1 1
22.5 1 1
18.0 1 1
12.0 1 1
American Mathematics Competitions
2008 AMC 10 B Results for Kentucky
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 1.68 1.44 3.37 12.26 78.61* 2.64 0.00
2 7.93 76.92* 8.65 1.20 2.16 3.13 0.00
3 26.68 2.16 6.49 26.20* 7.21 31.25 0.00
4 12.98 12.98 60.34* 2.16 1.68 9.86 0.00
5 43.51* 9.38 4.81 1.20 4.33 36.78 0.00
6 6.01 5.29 37.02* 12.26 9.38 29.81 0.24
7 5.77 6.97 67.31* 5.53 4.57 9.86 0.00
8 2.88 8.65 61.06* 9.13 6.49 11.78 0.00
9 18.99* 7.21 4.33 11.06 10.82 47.60 0.00
10 21.39* 5.77 3.61 7.45 6.01 55.77 0.00
11 1.68 14.18* 9.38 10.34 3.37 61.06 0.00
12 75.48* 7.69 3.61 0.72 3.85 8.65 0.00
13 24.52 11.06* 7.69 4.81 7.21 44.71 0.00
14 10.34 32.45* 5.53 7.45 3.13 41.11 0.00
15 12.74* 11.78 4.81 9.13 5.53 56.01 0.00
16 30.29* 23.80 3.37 6.49 4.81 31.25 0.00
17 16.11 9.62* 26.68 13.46 6.97 27.16 0.00
18 7.45 18.75* 13.70 6.25 2.88 50.96 0.00
19 7.69 2.88 7.69 8.65 6.73* 66.35 0.00
20 8.89 41.83* 13.46 7.45 3.61 24.52 0.24
21 9.62 13.22 6.73* 5.53 5.29 59.62 0.00
22 13.46 8.41 28.37* 11.30 5.53 32.93 0.00
23 11.78 8.89* 7.69 8.65 2.40 60.58 0.00
24 9.62 7.69 12.98* 11.30 10.10 48.32 0.00
25 17.55 17.31* 8.65 5.05 5.29 46.15 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 Kentucky
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
132.0 1 1
127.5 1 1
118.5 1 1
114.0 1 1
109.5 1 1
108.0 2 1 1
105.0 4 1 1 1 1
102.0 1
100.5 3 3
99.0 2 1 1
96.0 2 1 3
94.5 7 3 4
93.0 2 1 1
91.5 4 2 3 3
90.0 3 1 2
88.5 2 1 3
87.0 1 1 1 1 1
85.5 1 1 1
84.0 3 2 1 2
82.5 6 3 1 3 7
81.0 8 2 1 1 3 5
79.5 3 3 4 2
78.0 12 4 6 6 4
76.5 10 3 6 7
75.0 8 5 2 1 5 9
73.5 9 4 2 6 7 1
72.0 18 3 2 2 2 10 7
70.5 10 6 1 6 10
69.0 10 8 1 1 10 10
67.5 12 9 2 1 12 8
66.0 9 6 1 1 5 10
64.5 10 8 2 2 6 12
63.0 11 6 2 2 1 9 4 1
61.5 9 6 11 6
60.0 12 11 1 1 12 8 1
58.5 8 6 3 1 5 6
57.0 9 12 1 3 3 11 4
55.5 14 7 6 2 8 5 1
54.0 9 5 1 1 1 7 4 1
52.5 9 12 3 4 8 5 1
51.0 4 6 3 6 2 1
49.5 4 4 1 1 1 4 2
48.0 11 8 1 2 13 3
46.5 6 7 4 2 7 1
45.0 3 5 1 1 5 2
43.5 2 4 2 3 3
42.0 4 4 4 4 1
40.5 3 4 1 5 1
39.0 1 7 2 1 3 3
37.5 2 4 3 3 1
36.0 1 4 4 2 1
34.5 1 3 4
33.0 3 2 3 2
31.5 2 3 2 1 1 1
30.0 4 4 2 3 3
25.5 1
24.0 1 1 2
22.5 1 1
18.0 1 1 1 1
American Mathematics Competitions
2008 AMC 12 B Results for Kentucky
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 1.44 0.18 2.16 11.15 83.27* 1.80 0.00
2 5.22 79.86* 8.63 1.98 1.62 2.70 0.00
3 6.12 10.61 73.20* 1.26 0.90 7.91 0.00
4 1.44 3.78 5.22 69.42* 2.34 17.81 0.00
5 1.44 6.83 66.19* 6.47 5.04 14.03 0.00
6 82.55* 4.32 2.52 0.90 2.34 7.37 0.00
7 67.45* 5.76 1.80 1.62 1.98 21.40 0.00
8 3.60 4.32 48.56* 10.43 5.58 27.52 0.00
9 20.68* 5.76 5.22 3.96 5.76 58.63 0.00
10 5.40 25.90* 14.03 3.96 4.68 46.04 0.00
11 10.07* 5.22 4.68 8.45 30.04 41.37 0.18
12 21.58 17.45* 7.37 2.52 7.73 43.35 0.00
13 1.62 10.25* 3.60 4.50 3.06 76.98 0.00
14 5.40 3.24 20.14* 7.73 4.14 59.35 0.00
15 2.16 5.04 6.83* 4.50 8.45 73.02 0.00
16 19.24 8.27* 7.91 8.63 2.34 53.42 0.18
17 3.96 3.42 7.37* 3.24 2.70 79.32 0.00
18 3.42 5.58 6.47 6.47 7.01* 71.04 0.00
19 5.58 5.22* 5.58 5.04 2.70 75.90 0.00
20 27.88 13.31* 7.73 3.60 3.60 43.88 0.00
21 3.42 3.24 5.58 3.42 3.06* 81.29 0.00
22 7.37 7.91 7.91 5.94 5.94* 64.93 0.00
23 2.16* 5.40 6.29 3.60 1.44 81.12 0.00
24 2.52 3.60 4.68* 2.16 1.98 85.07 0.00
25 2.16 2.34* 4.86 4.14 3.60 82.91 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column