American Mathematics Competitions
2008 AMC 10 A Results for Maryland
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 358
Number of unofficial participants: 0
Average score of participants: 64.8
Average score for female students is: 58.8 ( 89 Students)
Average score for male students is: 68.9 ( 184 Students)
Average score for unspecified gender is 62.2 ( 85 Students)
Average score for grade 10 is: 69.9 ( 181 Students)
Average score for grade 9 is: 59.0 ( 118 Students)
Average score for grade 8 and below is: 63.9 ( 20 Students)
Average score with unknown grade: 59.4 ( 39 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 21
Number of schools returning results 16
Average school winning score 94.88
American Mathematics Competitions
2008 AMC 12 A Results for Maryland
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 292
Number of unofficial participants: 0
Average score of participants: 65.6
Average score for female students is: 59.6 ( 123 Students)
Average score for male students is: 70.9 ( 123 Students)
Average score for unspecified gender is 67.2 ( 46 Students)
Average score for grade 12 is: 67.6 ( 126 Students)
Average score for grade 11 is: 63.4 ( 146 Students)
Average score for grade 10 is: 68.6 ( 10 Students)
Average score with unknown grade: 68.1 ( 10 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 12
Number of schools returning results 19
Average school winning score 93.87
Average school team score 239.61
American Mathematics Competitions
2008 AMC 10 B Results for Maryland
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 288
Number of unofficial participants: 0
Average score of participants: 69.0
Average score for female students is: 61.6 ( 103 Students)
Average score for male students is: 74.0 ( 158 Students)
Average score for unspecified gender is 67.2 ( 27 Students)
Average score for grade 10 is: 63.4 ( 129 Students)
Average score for grade 9 is: 62.2 ( 90 Students)
Average score for grade 8 and below is: 89.7 ( 62 Students)
Average score with unknown grade: 75.0 ( 7 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 11
Number of schools returning results 23
Average school winning score 98.41
American Mathematics Competitions
2008 AMC 12 B Results for Maryland
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 1130
Number of unofficial participants: 0
Average score of participants: 73.5
Average score for female students is: 67.0 ( 353 Students)
Average score for male students is: 76.7 ( 631 Students)
Average score for unspecified gender is 75.5 ( 146 Students)
Average score for grade 13 is: 72.8 ( 2 Students)
Average score for grade 12 is: 73.8 ( 351 Students)
Average score for grade 11 is: 74.5 ( 395 Students)
Average score for grade 10 is: 71.9 ( 229 Students)
Average score for grade 9 is: 71.7 ( 102 Students)
Average score for grade 8 and below is: 81.4 ( 7 Students)
Average score with unknown grade: 74.1 ( 44 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 106
Number of schools returning results 39
Average school winning score 99.12
Average school team score 268.81
2008 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
399.0 1 1
385.5 1 2
354.0 1 3
346.5 1 4
325.5 1 5
321.0 2 6
312.0 2 8
310.5 1 10
303.0 1 11
301.5 1 12
298.5 1 13
295.5 1 14
292.5 1 1 15
291.0 1 17
289.5 1 18
288.0 2 19
285.0 1 21
283.5 1 2 22
280.5 2 25
277.5 1 27
273.0 1 28
271.5 1 1 29
268.5 1 31
262.5 1 32
261.0 1 33
258.0 1 34
255.0 1 1 35
249.0 1 1 37
246.0 1 39
244.5 1 40
240.0 1 1 41
237.0 1 43
231.0 1 44
229.5 1 45
228.0 1 1 46
226.5 1 48
217.5 1 49
208.5 1 50
205.5 1 51
199.5 1 52
190.5 1 53
142.5 1 54
121.5 1 55
112.5 1 56
64.5 1 57
2008 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
145.5 1
144.0 1 1
141.0 1 1
138.0 2 1
135.0 1
133.5 1
132.0 2 2
130.5 3
129.0 2 1
127.5 1 2
126.0 2
124.5 1
123.0 1
121.5 1 1 1 1
120.0 2 2
118.5 1 5 3 1
117.0 2 4
115.5 1 1 3 2
114.0 5 1 1
112.5 2 4
111.0 2 3 1
109.5 5 4
108.0 8 1 1
106.5 2 4 4 3
105.0 10 1 1
103.5 1 11 2 4
102.0 3 2 2
100.5 3 13 2 3
99.0 1 15 5 4
97.5 1 12 2 3
96.0 1 12 3 1
94.5 6 22 3 7
93.0 3 21 3 4
91.5 4 14 2
90.0 2 18 1 2
88.5 10 38 4
87.0 1 19 5 6
85.5 4 20 4 4
84.0 7 26 4 6
82.5 9 42 6 2
81.0 7 35 3 4
79.5 6 25 5 6
78.0 7 41 6 6
76.5 6 51 4 6
75.0 5 38 6 7
73.5 10 34 3 4
72.0 8 41 9 8
70.5 4 42 4 5
69.0 8 34 6 10
67.5 10 39 12 10
66.0 8 49 5 9
64.5 13 42 5 8
63.0 6 36 3 11
61.5 13 26 8 10
60.0 8 32 5 7
58.5 12 25 9 8
57.0 11 30 8 9
55.5 11 21 12 7
54.0 6 22 14 6
52.5 4 18 15 3
51.0 6 15 9 3
49.5 11 17 11 3
48.0 9 22 8 6
46.5 4 15 10 10
45.0 5 6 12 6
43.5 2 3 9 3
42.0 3 7 10 7
40.5 4 6 4
39.0 3 4 11 5
37.5 8 4 11 4
36.0 5 5 4 5
34.5 2 3 6 1
33.0 2 2 3 1
31.5 1 3 1 3
30.0 3 1 5 3
28.5 1 3 1
27.0 1 2 5
25.5 1 2
24.0 1 2 1
22.5 1
21.0 3
19.5 1
18.0 1
13.5 1
American Mathematics Competitions
2008 AMC 10 A Results for Maryland
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
145.5 1 1
141.0 1 1
138.0 2 1 1
135.0 1 1
130.5 1 1 3
129.0 2 1 1
127.5 1
121.5 1 1
120.0 2 1 1
118.5 3 1 2
117.0 2 1 4
115.5 2 1 3
114.0 1 1
112.5 3 1 4
111.0 2 1 2
109.5 3 3 1
108.0 1
106.5 3 1 2 2
105.0 1 1
103.5 1 1 1 1
102.0 2 1 1
100.5 1 1
99.0 4 1 1 1 3
97.5 2
96.0 1 2 3
94.5 2 1 2 1
93.0 2 1 1 2
90.0 1 1
87.0 4 1 4
85.5 2 4
84.0 3 1 2 1
82.5 4 1 2 4
81.0 2 2 1
79.5 4 1 1 1 2
78.0 3 1 3 1 1
76.5 2 1 1 2
75.0 3 3 6
73.5 1 1 2 1
72.0 4 3 2 4 3
70.5 2 1 1 2 1
69.0 4 1 3 2
67.5 7 2 1 9 2
66.0 4 1 4 1
64.5 2 1 3 2
63.0 2 3
61.5 3 1 1 1 5 1
60.0 3 1 1 4
58.5 5 2 1 4 3 1
57.0 3 2 1 5 2
55.5 7 4 4 7 1
54.0 7 3 1 5 6 2
52.5 7 4 1 3 9 2
51.0 5 3 3 5 1
49.5 4 4 1 4 4 2
48.0 8 1 1 4 2
46.5 4 4 7 2 1
45.0 3 3 5 4 3
43.5 4 3 1 2 4 2
42.0 3 4 4 5 1
40.5 2 1 1 2 2 1
39.0 7 2 7 3 1
37.5 6 1 5 3 3
36.0 2 1 1 2
34.5 4 1 4 1
33.0 1 2 3
31.5 1 1
30.0 2 2 3 2
28.5 1 2 1 2
27.0 4 3 2
24.0 2 1 1
22.5 1 1
21.0 1 2 1 1 1
19.5 1 1
13.5 1 1
American Mathematics Competitions
2008 AMC 10 A Results for Maryland
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 0.84 0.56 7.26 87.71* 3.07 0.56 0.00
2 50.28* 16.20 25.14 1.12 1.40 5.87 0.00
3 83.52* 2.79 1.68 0.56 1.68 9.78 0.00
4 3.63 5.87 61.45* 9.22 2.79 16.76 0.28
5 3.35 44.69* 4.47 3.35 1.40 42.46 0.28
6 0.84 2.23 3.35 28.49* 43.02 22.07 0.00
7 39.94 3.63 6.42 1.12 24.58* 24.30 0.00
8 48.88* 5.03 2.23 23.74 3.63 16.48 0.00
9 2.23 39.94* 12.57 25.98 7.82 11.45 0.00
10 0.56 31.56 7.26 0.56 45.25* 14.80 0.00
11 5.31 2.79 5.87 66.48* 7.82 11.73 0.00
12 8.66 2.51 40.78* 10.89 6.42 30.73 0.00
13 11.73 22.35 10.06 32.40* 1.68 21.79 0.00
14 5.03 3.63 4.47 31.01* 2.51 53.35 0.00
15 2.23 2.51 17.60 35.20* 5.59 36.87 0.00
16 2.23 11.45* 3.35 13.41 6.15 63.41 0.00
17 6.15 16.20* 5.87 1.12 2.79 67.88 0.00
18 2.51 10.06* 3.63 2.79 3.35 77.65 0.00
19 3.35 5.31 12.57* 3.07 2.79 72.91 0.00
20 1.12 3.35 11.73 6.42* 1.12 76.26 0.00
21 12.57* 18.99 1.96 3.07 2.23 61.17 0.00
22 7.82 1.96 21.79 24.02* 7.54 36.87 0.00
23 10.06 7.54* 7.26 2.79 0.56 71.79 0.00
24 7.82 10.89 6.15 7.54* 5.31 62.29 0.00
25 1.68 6.98 3.07* 2.23 3.07 82.96 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 Maryland
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
124.5 1 1
121.5 1 1
118.5 1 1
115.5 1 1
106.5 1 1 1
103.5 1 1
100.5 2 1 1 2
99.0 1 1
97.5 1 1
96.0 1 1
94.5 6 1 5
93.0 2 1 2
91.5 3 2 1 1
90.0 2 1 1
88.5 8 1 2 7
87.0 1 1
85.5 2 1 3 1
84.0 1 4 3 3 1
82.5 5 2 4 5
81.0 4 2 4 3
79.5 2 2 4 2
78.0 4 2 4 3
76.5 1 3 1 5
75.0 3 1 2 3
73.5 3 5 1 3 5 1
72.0 4 3 6 2
70.5 1 2 4
69.0 4 2 2 5 1
67.5 2 7 7 3
66.0 1 6 5 3
64.5 3 7 7 4 2
63.0 4 1 1 3 2
61.5 7 4 7 6
60.0 4 3 2 6
58.5 6 4 1 6 4 1
57.0 5 3 4 6 1
55.5 3 7 9 2
54.0 2 3 2 2 1 1
52.5 1 3 2 2
51.0 2 4 4 2
49.5 4 7 1 4 6
48.0 3 5 5 3 1
46.5 4 1 3
45.0 2 3 3 2
43.5 1 1 1
42.0 1 2 2 1
40.5 2 1 1 3
39.0 1 2 1 2
37.5 2 6 6 2
36.0 4 4 1
34.5 1 1 2
33.0 2 1 1
31.5 1
30.0 1 1 2
27.0 1 1
24.0 1 1
American Mathematics Competitions
2008 AMC 12 A Results for Maryland
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 1.03 0.34 3.77 93.15* 1.37 0.00 0.34
2 92.47* 3.08 1.37 0.34 2.05 0.68 0.00
3 2.05 5.14 71.92* 6.85 3.08 10.96 0.00
4 5.82 47.60* 4.45 8.22 1.37 32.19 0.34
5 0.34 49.66* 8.56 27.05 6.51 7.88 0.00
6 57.19* 5.82 0.68 25.00 2.74 8.56 0.00
7 5.48 4.11 5.48 69.86* 6.85 8.22 0.00
8 4.11 5.48 60.27* 3.77 14.38 11.99 0.00
9 3.42 9.25 7.53 36.64* 4.79 38.36 0.00
10 9.25 30.14 8.22 39.04* 1.37 11.99 0.00
11 4.79 5.14 63.01* 4.45 3.08 19.18 0.34
12 13.36 28.42* 4.45 7.19 10.62 35.62 0.34
13 4.79 22.95* 6.16 16.78 5.82 43.49 0.00
14 10.62* 6.16 3.77 3.42 3.08 72.95 0.00
15 11.99 7.53 10.62 10.27* 6.85 52.74 0.00
16 3.08 7.53 4.45 7.19* 0.68 77.05 0.00
17 3.42 2.74 4.45 7.88* 3.08 78.42 0.00
18 1.03 5.48 4.11* 2.74 4.11 82.53 0.00
19 3.42 7.88 8.56* 4.45 2.40 73.29 0.00
20 2.40 1.71 4.11 2.05 3.42* 86.30 0.00
21 3.77 4.11 3.08 7.88* 5.14 76.03 0.00
22 3.08 5.82 4.79* 6.51 2.74 77.05 0.00
23 2.40 2.40 2.40 2.74* 1.03 89.04 0.00
24 3.08 13.70 7.19 1.71* 3.77 70.55 0.00
25 2.40 4.11 2.05 3.77* 3.08 84.59 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 Maryland
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
144.0 1 1
138.0 1 1
133.5 1 1
132.0 2 2
129.0 1 1
127.5 2 2
121.5 1 1
120.0 1 1 1
118.5 1 1
115.5 1 1 1 1
114.0 1 1
111.0 1 1
108.0 1 1
106.5 2 1 1 1 1
105.0 1 1
103.5 4 1 2 1
102.0 1 1 1 1
100.5 2 1 1 1
99.0 3 1 1 1 2
97.5 2 1 2 1
96.0 1 1
94.5 4 3 1 4 2
93.0 1 1 1 2 1
91.5 1 1 1 1
90.0 2 1 1
88.5 2 2 1 2 1
87.0 4 2 3 3
85.5 3 1 2 1
84.0 3 2 1 1 3 1
82.5 1 1 1 1
81.0 3 2 1 1
79.5 2 3 1 1 3 1
78.0 5 1 2 1 1 2
76.5 4 1 2 4
75.0 3 3 1 1 1 3 1
73.5 2 1 1 1 1 1
72.0 5 2 1 3 4
70.5 3 1 1 3 1
69.0 8 2 1 1 2 6
67.5 7 2 2 5 3
66.0 4 5 5 4
64.5 6 1 1 1 6
63.0 7 4 1 2 3 5
61.5 4 4 1 1 3 5
60.0 3 4 1 5 1
58.5 3 5 2 6
57.0 3 5 2 7
55.5 3 4 1 1 5
54.0 2 3 1 3 2
52.5 1 1 3
51.0 2 1 1 1
49.5 1 2 1 2
48.0 4 2 3 3
46.5 1 7 5 5
45.0 4 1 1 3 2
43.5 1 2 1 2
42.0 4 3 1 4 2
40.5 3 1 2 2
39.0 1 4 1 4
37.5 3 1 2 2
36.0 1 2 2 3
34.5 1 1
33.0 1 1
31.5 1 1 2 1
30.0 1 2 2 1
28.5 1 1
25.5 2 1 1
24.0 1 1
18.0 1 1
American Mathematics Competitions
2008 AMC 10 B Results for Maryland
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 4.51 0.69 3.82 8.68 78.82* 3.47 0.00
2 5.21 78.82* 7.29 2.43 2.78 3.47 0.00
3 19.10 3.13 3.47 53.82* 4.17 16.32 0.00
4 8.33 13.19 67.01* 4.17 0.69 6.60 0.00
5 60.76* 4.86 2.78 1.74 3.13 26.74 0.00
6 6.94 4.17 47.92* 11.11 5.56 24.31 0.00
7 5.21 8.68 68.06* 5.21 4.51 8.33 0.00
8 2.43 7.99 57.99* 8.33 5.90 17.36 0.00
9 31.25* 6.60 4.86 8.33 6.94 42.01 0.00
10 20.49* 3.82 5.56 5.90 7.29 56.94 0.00
11 0.69 28.82* 5.56 8.33 4.51 52.08 0.00
12 73.26* 5.90 5.56 1.04 3.13 11.11 0.00
13 15.97 19.44* 12.50 3.47 7.99 40.63 0.00
14 10.42 38.54* 1.39 6.94 2.08 40.63 0.00
15 19.44* 6.25 4.17 8.68 5.56 55.90 0.00
16 32.29* 17.01 4.51 6.60 4.17 35.42 0.00
17 22.92 13.54* 25.00 8.68 5.90 23.61 0.35
18 3.82 24.65* 17.01 4.51 3.13 46.88 0.00
19 1.39 4.17 7.29 10.42 10.07* 66.67 0.00
20 7.99 44.44* 9.72 3.82 3.47 30.56 0.00
21 13.19 7.99 5.56* 7.29 4.86 61.11 0.00
22 16.67 7.64 23.96* 7.99 3.82 39.93 0.00
23 12.15 7.99* 6.94 6.25 2.78 63.89 0.00
24 9.38 7.99 10.76* 8.33 12.85 50.69 0.00
25 20.14 13.19* 7.99 6.94 3.13 48.61 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 Maryland
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
144.0 1 1
141.0 1 1
132.0 2 1 1
126.0 1 1 1 1
123.0 1
121.5 1 1
118.5 5 2 2 1
117.0 2 1 1
115.5 1 1
114.0 5 1 1 1 2
112.5 2 1 1
111.0 1 1 1
109.5 4 1 3 1
108.0 6 1 1 2 3 2
106.5 4 1 1 1 1
105.0 4 3 1 2 6 1
103.5 9 1 1 3 5 2
102.0 1 2 1 1 1
100.5 12 1 1 4 8
99.0 14 1 3 7 5
97.5 9 1 2 2 4 3 1
96.0 8 2 1 5 6
94.5 16 4 1 1 4 7 9
93.0 14 2 7 12 2
91.5 8 3 1 4 6 3
90.0 7 5 4 8 5 1
88.5 22 11 2 8 17 10 1
87.0 14 2 1 4 6 5 3
85.5 15 5 2 4 7 7
84.0 17 3 2 6 7 8 3
82.5 27 11 3 6 21 12
81.0 14 12 2 6 13 11 3
79.5 17 3 2 4 5 13 1
78.0 26 11 4 8 15 13 1
76.5 35 10 1 4 9 18 15 4
75.0 17 15 7 8 15 8
73.5 18 9 1 9 9 10 1 4
72.0 22 16 1 2 10 15 12 1
70.5 27 8 4 9 16 11 2
69.0 17 11 2 11 8 11 2
67.5 18 16 3 9 14 12 1
66.0 22 20 9 8 20 10 2
64.5 20 16 6 8 10 16 2
63.0 16 16 5 10 11 9 1
61.5 10 10 4 5 12 4 1
60.0 17 15 8 2 13 8 1
58.5 12 9 2 6 7 7 3
57.0 17 12 4 10 9 7
55.5 10 10 1 2 2 6 9 1
54.0 11 9 1 2 3 7 8 1
52.5 10 7 2 7 5 4
51.0 9 4 3 3 3 4 2
49.5 6 10 3 4 5 5
48.0 7 11 10 6 6
46.5 6 9 2 8 5
45.0 1 4 2 2 2
43.5 3 1 2
42.0 2 5 4 3
39.0 2 2 2 1 1
37.5 1 3 3 1
36.0 3 2 2 3
34.5 3 1 2
33.0 1 1 1
31.5 1 1 1 2
30.0 1 1
28.5 1 1
27.0 2 1 1
25.5 1 1
American Mathematics Competitions
2008 AMC 12 B Results for Maryland
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 0.62 0.18 1.24 8.05 88.85* 1.06 0.00
2 4.07 85.49* 5.58 1.24 1.06 2.57 0.00
3 4.78 6.90 85.04* 0.53 0.18 2.57 0.00
4 0.35 0.97 2.57 86.11* 1.42 8.58 0.00
5 0.53 5.31 75.66* 4.07 4.34 10.09 0.00
6 88.58* 3.98 1.77 0.71 1.42 3.54 0.00
7 83.19* 2.39 0.62 0.88 2.30 10.62 0.00
8 2.39 2.04 70.88* 6.46 4.34 13.89 0.00
9 38.67* 4.07 4.34 4.78 3.72 44.42 0.00
10 2.65 45.93* 11.50 4.07 2.83 33.01 0.00
11 16.37* 6.90 4.51 9.73 21.50 40.97 0.00
12 14.42 34.34* 6.90 2.48 7.35 34.51 0.00
13 2.74 21.24* 2.57 5.13 2.30 66.02 0.00
14 5.13 6.02 41.95* 6.11 3.81 36.99 0.00
15 1.86 4.16 11.95* 5.84 7.17 69.03 0.00
16 16.02 12.65* 6.02 5.93 1.33 58.05 0.00
17 4.25 2.83 4.78* 2.74 2.21 83.19 0.00
18 1.86 3.89 3.81 6.64 7.70* 76.11 0.00
19 3.63 5.40* 3.63 3.10 1.33 82.92 0.00
20 22.30 13.10* 6.81 3.89 2.83 51.06 0.00
21 2.04 1.95 3.10 3.54 1.68* 87.61 0.09
22 4.69 3.63 5.75 4.51 6.73* 74.69 0.00
23 3.81* 3.81 2.57 2.21 1.86 85.75 0.00
24 1.42 2.21 2.92* 2.48 0.88 90.09 0.00
25 1.68 3.27* 2.21 2.92 1.86 88.05 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column