American Mathematics Competitions
2008 AMC 10 A Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 282
Number of unofficial participants: 0
Average score of participants: 50.0
Average score for female students is: 45.7 ( 132 Students)
Average score for male students is: 54.7 ( 119 Students)
Average score for unspecified gender is 50.0 ( 31 Students)
Average score for grade 10 is: 49.1 ( 178 Students)
Average score for grade 9 is: 49.0 ( 84 Students)
Average score for grade 8 and below is: 75.9 ( 10 Students)
Average score with unknown grade: 46.2 ( 10 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 5
Number of schools returning results 17
Average school winning score 83.65
American Mathematics Competitions
2008 AMC 12 A Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 282
Number of unofficial participants: 216
Average score of participants: 55.2
Average score for female students is: 51.4 ( 106 Students)
Average score for male students is: 58.0 ( 149 Students)
Average score for unspecified gender is 54.4 ( 27 Students)
Average score for grade 12 is: 57.1 ( 129 Students)
Average score for grade 11 is: 53.6 ( 138 Students)
Average score for grade 10 is: 69.0 ( 4 Students)
Average score with unknown grade: 47.7 ( 11 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 5
Number of schools returning results 18
Average school winning score 84.00
Average school team score 219.75
American Mathematics Competitions
2008 AMC 10 B Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 53
Number of unofficial participants: 0
Average score of participants: 54.3
Average score for female students is: 50.0 ( 25 Students)
Average score for male students is: 61.4 ( 25 Students)
Average score for unspecified gender is 30.0 ( 3 Students)
Average score for grade 10 is: 51.0 ( 14 Students)
Average score for grade 9 is: 52.2 ( 19 Students)
Average score for grade 8 and below is: 61.8 ( 18 Students)
Average score with unknown grade: 29.3 ( 2 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 1
Number of schools returning results 4
Average school winning score 89.25
American Mathematics Competitions
2008 AMC 12 B Results for Arkansas
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 111
Number of unofficial participants: 0
Average score of participants: 61.4
Average score for female students is: 56.6 ( 32 Students)
Average score for male students is: 63.0 ( 71 Students)
Average score for unspecified gender is 65.8 ( 8 Students)
Average score for grade 12 is: 63.0 ( 37 Students)
Average score for grade 11 is: 56.4 ( 42 Students)
Average score for grade 10 is: 70.9 ( 17 Students)
Average score for grade 9 is: 60.6 ( 15 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 8
Number of schools returning results 9
Average school winning score 95.33
Average school team score 234.50
2008 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
331.5 1 1
319.5 1 2
286.5 1 3
285.0 1 4
276.0 1 5
264.0 1 6
262.5 1 7
255.0 1 8
253.5 1 9
249.0 1 1 10
240.0 1 12
238.5 1 13
225.0 1 14
223.5 1 15
219.0 1 16
214.5 1 17
204.0 1 18
193.5 1 19
192.0 1 20
183.0 1 21
180.0 1 22
177.0 1 23
171.0 1 24
145.5 1 25
114.0 1 1 26
2008 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
138.0 1
133.5 1
130.5 1
121.5 1
120.0 1
117.0 1
114.0 1 2
112.5 1
109.5 2
108.0 1
106.5 2
105.0 2
103.5 1 1
102.0 1
100.5 1
99.0 1 3 1
97.5 1
96.0 1 3 1
94.5 3 2 1
93.0 2
91.5 2 2 2
90.0 1 2
88.5 2 2
87.0 1 1
85.5 1 2
84.0 1 3 1
82.5 2 3 2 1
81.0 1 2
79.5 3 2 1 1
78.0 4 1
76.5 6 2 4 1
75.0 2 3 1
73.5 4 2
72.0 6 3
70.5 4 1 2
69.0 8 3 1
67.5 4 1 4 3
66.0 5 3 6
64.5 6 5
63.0 8 3 11
61.5 12 1 3 3
60.0 8 2 6
58.5 9 5 7 1
57.0 10 3 5 3
55.5 6 6 6 1
54.0 16 3 11 1
52.5 13 4 8 2
51.0 10 4 3 1
49.5 12 3 12 2
48.0 15 1 13 2
46.5 10 4 2 1
45.0 12 5 6
43.5 10 5 19 1
42.0 8 2 18 1
40.5 6 4 7 3
39.0 8 1 9 2
37.5 11 1 15 2
36.0 5 3 18 4
34.5 3 2 7 3
33.0 3 3 4
31.5 1 2 9 2
30.0 2 1 6 1
28.5 6 7 1
27.0 1 4
25.5 2
24.0 3 1 5 1
22.5 2
21.0 1 1
19.5 1 1 1
18.0 1 1
16.5 2
13.5 1
12.0 1
7.5 1
American Mathematics Competitions
2008 AMC 10 A Results for Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
138.0 1 1
133.5 1 1
130.5 1 1
120.0 1 1
117.0 1 1
106.5 1 1 1
103.5 1
102.0 1 1
99.0 2 1 1 2
96.0 1 2 1 2
91.5 1 1 1 1
87.0 1 1
84.0 1 1
82.5 1 1 1 1
79.5 1 1
76.5 3 1 1 3
75.0 1 1
72.0 1 2 2 1
70.5 2 1 1
69.0 1 2 1 2
67.5 2 2 1 2 1
66.0 4 1 2 3 1
64.5 4 1 1 4
63.0 5 3 3 7 1
61.5 1 2 3
60.0 2 3 1 3 2
58.5 4 3 7
57.0 2 2 1 4
55.5 4 2 6
54.0 3 7 1 1 9
52.5 2 3 4 4
51.0 2 1 3
49.5 5 5 3 7 2
48.0 7 5 7 6
46.5 2 2
45.0 2 4 2 4
43.5 9 8 1 8 9 1
42.0 4 9 6 10 2
40.5 2 4 1 5 1
39.0 3 6 1 8
37.5 7 6 5 9 1
36.0 5 10 6 12
34.5 4 3 2 5
33.0 1 3 1 3
31.5 1 7 4 5
30.0 1 4 3 3
28.5 5 1 6 1
27.0 1 3 4
25.5 2 1 1
24.0 2 3 1 4
22.5 1 1 1 1
21.0 1 1
19.5 1 1
18.0 1 1
16.5 2 2
12.0 1 1
7.5 1 1
American Mathematics Competitions
2008 AMC 10 A Results for Arkansas
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 2.48 2.48 7.45 76.60* 9.22 1.77 0.00
2 28.37* 19.15 37.94 2.84 1.77 9.93 0.00
3 63.12* 5.32 7.80 1.42 3.55 18.79 0.00
4 7.80 8.16 40.07* 12.41 8.87 22.70 0.00
5 8.87 26.24* 4.96 4.26 3.55 52.13 0.00
6 4.26 4.96 3.19 19.50* 42.55 25.53 0.00
7 41.84 5.67 4.96 3.19 9.57* 34.75 0.00
8 32.62* 6.74 3.19 21.63 6.38 29.43 0.00
9 7.09 26.24* 13.12 20.57 8.16 24.82 0.00
10 1.77 39.72 9.22 0.71 37.23* 11.35 0.00
11 9.22 5.67 12.77 48.94* 8.16 15.25 0.00
12 11.35 6.03 23.40* 8.16 7.09 43.97 0.00
13 14.54 24.11 6.38 29.43* 3.19 22.34 0.00
14 8.51 9.57 8.16 16.31* 6.03 51.42 0.00
15 5.67 3.55 32.27 21.63* 7.45 29.43 0.00
16 3.90 7.45* 4.26 18.44 7.80 57.80 0.35
17 9.93 9.22* 7.80 5.67 4.26 63.12 0.00
18 2.84 4.96* 4.96 3.55 4.26 79.43 0.00
19 3.90 5.67 7.45* 4.96 4.96 73.05 0.00
20 4.61 9.57 18.44 5.67* 2.13 59.57 0.00
21 12.41* 16.67 4.26 6.38 4.26 56.03 0.00
22 6.38 4.96 29.08 14.89* 10.64 34.04 0.00
23 14.89 6.38* 6.03 6.03 3.19 63.48 0.00
24 5.32 11.70 8.51 7.45* 8.16 58.87 0.00
25 2.13 10.28 5.32* 6.74 6.03 69.15 0.35
(*) 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 Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
114.0 1 1
112.5 1 1
109.5 1 1 1 1
100.5 1 1
96.0 1 1
94.5 1 2 2 1
91.5 2 1 1
90.0 1 1
88.5 2 2
85.5 1 1
84.0 1 1
82.5 1 1 1
81.0 1 1
79.5 1 1 2 1
78.0 4 1 3
76.5 4 1 3 3
75.0 2 1 1
73.5 2 1 3 1
72.0 2 2 1 4 1
70.5 4 2 2
69.0 6 2 3 5
67.5 1 2 4
66.0 4 1 2 3
64.5 4 1 1 4 1
63.0 3 5 2 3 3
61.5 9 3 5 7
60.0 6 1 4 4
58.5 6 2 3 6
57.0 7 3 6 4
55.5 4 1 3 3
54.0 10 6 12 4
52.5 6 6 5 6 2
51.0 3 4 3 7
49.5 6 5 5 7
48.0 8 6 6 8 1
46.5 3 4 5 4 1
45.0 7 4 9 3
43.5 2 8 7 3
42.0 4 4 5 3
40.5 3 3 4 2
39.0 1 7 5 3
37.5 2 4 4 2 5
36.0 1 4 3 2
34.5 1 2 3
33.0 1 2 2 1
31.5 1
30.0 1 1 1 1
28.5 5 1 3 3
27.0 1 1
24.0 1 2 1 2
21.0 1 1
19.5 1 1
18.0 1 1
American Mathematics Competitions
2008 AMC 12 A Results for Arkansas
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 0.71 0.35 10.99 82.27* 3.19 2.48 0.00
2 81.56* 5.32 5.67 1.42 3.90 2.13 0.00
3 3.90 8.87 53.90* 12.41 7.09 13.83 0.00
4 7.80 30.50* 8.51 5.67 5.67 41.49 0.35
5 3.90 29.79* 18.79 23.76 7.80 15.96 0.00
6 46.10* 7.09 4.26 25.53 2.84 14.18 0.00
7 5.32 6.74 6.38 62.77* 6.74 12.06 0.00
8 4.61 8.51 38.65* 6.38 20.57 21.28 0.00
9 6.38 10.28 8.16 23.05* 5.32 46.81 0.00
10 12.41 33.33 6.74 29.79* 3.90 13.83 0.00
11 6.03 9.93 43.26* 6.74 9.93 23.76 0.35
12 9.22 15.96* 8.51 7.45 4.61 54.26 0.00
13 1.77 12.06* 8.51 18.09 9.22 50.35 0.00
14 11.70* 8.51 2.13 2.84 3.19 71.63 0.00
15 7.45 10.99 10.28 8.51* 9.22 53.55 0.00
16 3.90 8.16 9.93 7.09* 2.48 68.44 0.00
17 3.19 5.32 3.19 5.32* 6.74 76.24 0.00
18 3.19 4.96 7.45* 3.90 5.67 74.82 0.00
19 2.13 8.51 9.22* 7.45 1.42 71.28 0.00
20 3.55 4.96 6.03 2.48 4.96* 78.01 0.00
21 7.09 4.26 5.67 4.26* 4.26 74.47 0.00
22 3.19 9.93 6.03* 9.57 6.74 64.54 0.00
23 2.84 3.19 3.19 2.84* 1.77 86.17 0.00
24 4.96 12.77 11.70 2.84* 5.67 62.06 0.00
25 2.13 4.61 9.22 8.51* 2.84 72.70 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 Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
121.5 1 1
99.0 1 1
96.0 1 1
94.5 1 1
91.5 2 2
82.5 1 1
79.5 1 1
78.0 1 1
76.5 1 1
69.0 1 1
67.5 2 1 2 1
61.5 2 1 2 1
58.5 1 1
57.0 1 2 3
55.5 1 1
54.0 1 1
52.5 1 1 1 1
51.0 1 1
49.5 1 1 1 1
48.0 1 1 1 1
46.5 1 1
43.5 1 1
42.0 1 1
40.5 1 2 1 2
39.0 1 1 1 1
37.5 1 1 1 1
36.0 2 2 1 2 1
34.5 1 1 1 1 1
31.5 1 1 1
30.0 1 1
28.5 1 1
24.0 1
19.5 1 1
American Mathematics Competitions
2008 AMC 10 B Results for Arkansas
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 9.43 0.00 1.89 20.75 62.26* 5.66 0.00
2 5.66 60.38* 7.55 7.55 1.89 16.98 0.00
3 11.32 0.00 3.77 24.53* 13.21 47.17 0.00
4 24.53 16.98 41.51* 1.89 1.89 13.21 0.00
5 37.74* 9.43 1.89 0.00 9.43 41.51 0.00
6 11.32 5.66 32.08* 7.55 3.77 39.62 0.00
7 15.09 9.43 47.17* 5.66 3.77 18.87 0.00
8 7.55 13.21 37.74* 11.32 15.09 15.09 0.00
9 9.43* 0.00 5.66 11.32 7.55 66.04 0.00
10 11.32* 5.66 3.77 1.89 9.43 67.92 0.00
11 7.55 15.09* 7.55 5.66 5.66 58.49 0.00
12 60.38* 9.43 3.77 3.77 3.77 18.87 0.00
13 24.53 9.43* 7.55 5.66 3.77 49.06 0.00
14 3.77 16.98* 9.43 1.89 1.89 66.04 0.00
15 7.55* 7.55 9.43 9.43 9.43 56.60 0.00
16 18.87* 37.74 0.00 1.89 7.55 33.96 0.00
17 11.32 9.43* 15.09 16.98 7.55 39.62 0.00
18 11.32 18.87* 11.32 11.32 5.66 41.51 0.00
19 7.55 1.89 5.66 7.55 5.66* 71.70 0.00
20 7.55 37.74* 11.32 5.66 5.66 32.08 0.00
21 7.55 13.21 13.21* 3.77 5.66 56.60 0.00
22 7.55 1.89 26.42* 13.21 9.43 41.51 0.00
23 15.09 5.66* 7.55 5.66 7.55 58.49 0.00
24 11.32 9.43 5.66* 1.89 3.77 67.92 0.00
25 13.21 20.75* 7.55 3.77 5.66 49.06 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 Arkansas
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
114.0 2 1 1
108.0 1
105.0 2 1 1
103.5 1 1
99.0 1 1
97.5 1 1
94.5 1 1 2
93.0 2 1 1
90.0 1 1 1 1
88.5 2 1 1
87.0 1 1
85.5 1 2
84.0 2 1 1 1 1
82.5 2 1 2 1
81.0 1 1 1 1
79.5 1 1 1 1
76.5 2 2
75.0 2 1 2 1
73.5 1 1 1
70.5 1 1
67.5 1 1
66.0 1 1 2 1
63.0 3 2 1
61.5 1 1
60.0 2 2
58.5 4 1 1 2 2
57.0 2 1 2
55.5 3 3 1 1 2 2
54.0 2 1 2
52.5 1 2 1 2 1
51.0 1 3 1 3
49.5 2 1 3
48.0 1 1
46.5 1 3 1 2 1
45.0 3 2 1 1 3
43.5 3 2 1 2 2
42.0 2 1 1
40.5 3 1 1 1 2
39.0 1 1
37.5 1 1
36.0 2 1 1 1 1
34.5 2 2
33.0 1 2 2 1
31.5 1 1 1 1
30.0 1
24.0 1 1
13.5 1 1
American Mathematics Competitions
2008 AMC 12 B Results for Arkansas
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 2.70 1.80 5.41 11.71 76.58* 1.80 0.00
2 2.70 81.08* 6.31 3.60 1.80 4.50 0.00
3 10.81 8.11 67.57* 4.50 0.00 9.01 0.00
4 5.41 1.80 7.21 60.36* 0.90 24.32 0.00
5 0.90 9.01 58.56* 9.91 7.21 14.41 0.00
6 74.77* 4.50 3.60 2.70 5.41 9.01 0.00
7 54.95* 7.21 4.50 3.60 2.70 27.03 0.00
8 4.50 7.21 44.14* 8.11 6.31 29.73 0.00
9 25.23* 3.60 7.21 4.50 7.21 52.25 0.00
10 6.31 29.73* 15.32 5.41 4.50 38.74 0.00
11 16.22* 4.50 3.60 9.91 31.53 34.23 0.00
12 26.13 20.72* 9.91 3.60 3.60 36.04 0.00
13 0.90 9.91* 3.60 9.01 0.90 75.68 0.00
14 5.41 3.60 19.82* 8.11 7.21 55.86 0.00
15 0.90 7.21 11.71* 9.91 2.70 67.57 0.00
16 16.22 14.41* 9.01 11.71 1.80 46.85 0.00
17 3.60 1.80 6.31* 5.41 4.50 78.38 0.00
18 4.50 9.01 5.41 4.50 11.71* 64.86 0.00
19 7.21 6.31* 3.60 3.60 3.60 75.68 0.00
20 15.32 17.12* 12.61 5.41 2.70 46.85 0.00
21 4.50 1.80 3.60 5.41 3.60* 81.08 0.00
22 7.21 2.70 7.21 14.41 6.31* 61.26 0.90
23 3.60* 6.31 8.11 5.41 0.00 76.58 0.00
24 5.41 4.50 3.60* 1.80 1.80 82.88 0.00
25 6.31 7.21* 5.41 5.41 3.60 72.07 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column