American Mathematics Competitions
2008 AMC 10 A Results for Maine
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 447
Number of unofficial participants: 0
Average score of participants: 47.2
Average score for female students is: 43.9 ( 198 Students)
Average score for male students is: 50.7 ( 194 Students)
Average score for unspecified gender is 46.7 ( 55 Students)
Average score for grade 10 is: 48.5 ( 221 Students)
Average score for grade 9 is: 45.0 ( 181 Students)
Average score for grade 8 and below is: 51.1 ( 28 Students)
Average score with unknown grade: 47.6 ( 17 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 2
Number of schools returning results 14
Average school winning score 85.18
American Mathematics Competitions
2008 AMC 12 A Results for Maine
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 729
Number of unofficial participants: 0
Average score of participants: 59.1
Average score for female students is: 55.3 ( 314 Students)
Average score for male students is: 62.4 ( 342 Students)
Average score for unspecified gender is 60.3 ( 73 Students)
Average score for grade 13 is: 63.8 ( 2 Students)
Average score for grade 12 is: 59.6 ( 338 Students)
Average score for grade 11 is: 59.1 ( 303 Students)
Average score for grade 10 is: 60.4 ( 49 Students)
Average score for grade 9 is: 52.7 ( 26 Students)
Average score with unknown grade: 56.3 ( 11 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 16
Number of schools returning results 21
Average school winning score 90.71
Average school team score 248.79
American Mathematics Competitions
2008 AMC 10 B Results for Maine
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 160
Number of unofficial participants: 26
Average score of participants: 62.2
Average score for female students is: 59.2 ( 67 Students)
Average score for male students is: 64.5 ( 89 Students)
Average score for unspecified gender is 58.9 ( 4 Students)
Average score for grade 10 is: 61.8 ( 107 Students)
Average score for grade 9 is: 63.4 ( 51 Students)
Average score with unknown grade: 47.3 ( 2 Students)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 2
Number of schools returning results 8
Average school winning score 97.50
American Mathematics Competitions
2008 AMC 12 B Results for Maine
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 136
Number of unofficial participants: 0
Average score of participants: 67.4
Average score for female students is: 64.1 ( 52 Students)
Average score for male students is: 70.9 ( 73 Students)
Average score for unspecified gender is 59.3 ( 11 Students)
Average score for grade 12 is: 70.6 ( 67 Students)
Average score for grade 11 is: 62.8 ( 61 Students)
Average score for grade 10 is: 81.3 ( 5 Students)
Average score for grade 9 is: 73.5 ( 2 Students)
Average score with unknown grade: 48.0 ( 1 Student)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 7
Number of schools returning results 10
Average school winning score 93.75
Average school team score 260.55
2008 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
322.5 1 1
310.5 1 2
301.5 1 3
292.5 1 2 4
285.0 1 7
282.0 1 8
280.5 1 1 9
271.5 1 11
265.5 1 12
264.0 1 13
261.0 1 14
258.0 2 15
256.5 1 17
252.0 1 18
243.0 1 19
237.0 1 20
235.5 1 21
234.0 1 22
226.5 1 23
220.5 1 1 24
219.0 1 26
210.0 1 27
205.5 1 28
199.5 1 29
193.5 1 30
159.0 1 31
2008 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
141.0 1
130.5 1
121.5 1
120.0 1
118.5 1 1
114.0 1
109.5 1 1
108.0 1 1
106.5 1 1
105.0 1 1
103.5 1
102.0 2 1
100.5 3
99.0 3 1
97.5 3 2
96.0 1 1 1 2
94.5 6 3
93.0 1 1
91.5 1 2 1 2
90.0 5 1 1 2
88.5 5 1
87.0 5 1 1
85.5 7 4 1 3
84.0 7 1
82.5 10 5 2 2
81.0 9 1 3 4
79.5 13 5 1 2
78.0 14 3 1 2
76.5 13 6 5 1
75.0 15 4 3 3
73.5 9 2 1 3
72.0 13 7 4 8
70.5 10 4 8 6
69.0 23 6 5 6
67.5 14 3 6 3
66.0 25 6 7 9
64.5 29 5 5 4
63.0 20 5 6 9
61.5 31 5 10 8
60.0 33 9 3 5
58.5 31 2 12 6
57.0 28 3 12 5
55.5 29 1 17 5
54.0 29 5 19 3
52.5 31 6 12 6
51.0 25 2 20 5
49.5 29 3 16 3
48.0 30 4 22 8
46.5 23 14 3
45.0 19 1 13 2
43.5 21 1 27 6
42.0 24 3 22 3
40.5 16 1 18
39.0 9 16
37.5 8 23 2
36.0 10 3 18 1
34.5 5 1 10 3
33.0 4 1 12 2
31.5 4 11 1
30.0 7 2 17 1
28.5 3 7 1
27.0 2 4
25.5 3 9
24.0 1 6
22.5 1 2 1
21.0 4
19.5 1 2
18.0 1 2
16.5 1
15.0 1 1
13.5 1
7.5 1
American Mathematics Competitions
2008 AMC 10 A Results for Maine
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
130.5 1 1
121.5 1 1
105.0 1 1
96.0 1 1
91.5 1 1
90.0 1 1
85.5 1 1
82.5 2 1 1
81.0 2 3
79.5 1 1
78.0 1 1
76.5 3 1 4 1
75.0 3 2 1
73.5 1 1
72.0 3 1 2 1 1
70.5 5 3 1 3 4
69.0 2 3 1 4
67.5 2 2 2 4
66.0 2 5 1 1 3 2
64.5 4 1 3 2
63.0 3 1 1 2 3
61.5 8 1 4 6
60.0 3 3
58.5 5 7 1 4 7
57.0 6 4 1 4 7
55.5 8 7 1 1 7 7 1
54.0 8 10 1 11 7
52.5 5 4 1 4 6 1
51.0 8 7 1 8 11
49.5 5 8 1 4 9 2
48.0 10 9 7 14 1
46.5 4 10 2 12
45.0 4 8 1 4 6 2
43.5 12 12 1 13 13
42.0 11 6 3 10 9
40.5 12 4 1 6 11
39.0 4 8 7 8 1
37.5 5 12 8 13 2
36.0 6 9 6 9 3
34.5 1 8 5 4 1
33.0 4 7 7 5
31.5 4 6 8 2 1
30.0 9 8 2 1 5 9
28.5 2 4 1 4 2
27.0 3 1 3 1
25.5 2 7 7 2
24.0 5 1 3 2
22.5 1 1 1 1
21.0 3 1 1 3
19.5 2 2
18.0 1 1 1 1
16.5 1 1
15.0 1 1
7.5 1 1
American Mathematics Competitions
2008 AMC 10 A Results for Maine
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 3.58 2.01 9.17 77.40* 7.16 0.67 0.00
2 32.21* 20.81 28.41 1.79 1.79 14.99 0.00
3 56.38* 7.16 5.37 1.57 6.04 23.49 0.00
4 6.26 10.74 38.93* 11.63 5.15 27.29 0.00
5 8.05 20.13* 5.59 4.47 4.03 57.72 0.00
6 1.57 1.79 1.79 10.74* 63.09 21.03 0.00
7 52.35 6.04 4.70 1.79 5.59* 29.31 0.22
8 36.02* 10.96 2.46 20.36 3.80 26.40 0.00
9 5.82 18.12* 19.46 25.95 6.71 23.71 0.22
10 1.57 38.03 9.84 0.89 33.33* 16.33 0.00
11 8.05 4.70 10.07 53.02* 10.07 13.87 0.22
12 11.63 6.94 18.12* 9.17 6.04 48.10 0.00
13 11.86 34.45 9.17 19.46* 2.24 22.82 0.00
14 10.07 7.16 8.50 8.72* 4.70 60.85 0.00
15 4.03 2.91 34.68 18.12* 7.61 32.66 0.00
16 2.24 7.16* 2.91 14.99 7.83 64.88 0.00
17 8.72 4.70* 5.59 6.04 3.80 71.14 0.00
18 3.58 5.15* 5.59 6.94 5.37 73.38 0.00
19 5.82 9.40 5.15* 3.58 4.92 71.14 0.00
20 6.94 6.26 15.44 6.49* 2.46 62.42 0.00
21 9.84* 11.63 7.83 6.49 4.03 59.96 0.22
22 9.17 6.04 20.58 20.58* 11.86 31.77 0.00
23 8.95 6.26* 7.16 6.04 0.89 70.47 0.22
24 6.49 8.72 8.72 4.47* 6.94 64.65 0.00
25 4.03 6.94 5.59* 6.49 5.82 70.92 0.22
(*) 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 Maine
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
118.5 1 1
109.5 1 1
108.0 1
106.5 1 1
103.5 1 1
102.0 1 1 2
100.5 3 3
99.0 2 1 1 1 1
97.5 3 3
96.0 1 1
94.5 5 1 1 2 3
93.0 1
91.5 1 1
90.0 4 1 1 3
88.5 4 3 2
87.0 4 1 1 4
85.5 4 1 1 5 1
84.0 2 3 1 6
82.5 9 6 4
81.0 6 2 1 6 2
79.5 7 4 5 8
78.0 6 7 1 6 7
76.5 8 3 2 4 7
75.0 4 9 1 1 4 9
73.5 6 2 1 5 2 1
72.0 10 3 2 6 5
70.5 4 5 2 5 3
69.0 17 5 8 15
67.5 5 7 2 6 6
66.0 13 9 1 2 10 11 1
64.5 16 13 1 5 12 11
63.0 9 8 2 8 10
61.5 16 15 2 15 14
60.0 17 13 1 15 15 2
58.5 12 13 1 3 12 12 3
57.0 9 18 3 12 13
55.5 14 13 2 17 10
54.0 12 14 3 3 9 13 1
52.5 13 13 1 3 16 10 1
51.0 12 8 1 1 9 14
49.5 8 16 2 1 11 15
48.0 12 16 1 1 12 16
46.5 9 13 1 3 9 10
45.0 4 14 2 1 8 8
43.5 9 10 1 1 11 8
42.0 11 11 1 11 11 1
40.5 5 8 5 10 1
39.0 4 5 1 4 4
37.5 3 4 1 1 1 4 1
36.0 5 5 5 5
34.5 2 1 2 2 1
33.0 1 3 2 2
31.5 1 3 2 1 1
30.0 2 4 3 4
28.5 1 2 3
27.0 1 1 1 1
25.5 1 2 2 1
24.0 1 1
22.5 1 1
19.5 1 1
18.0 1 1
American Mathematics Competitions
2008 AMC 12 A Results for Maine
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 1.23 1.10 6.45 87.65* 2.74 0.69 0.14
2 88.75* 5.62 1.65 1.37 2.19 0.41 0.00
3 4.66 6.04 60.22* 8.78 4.66 15.64 0.00
4 7.54 38.68* 3.70 6.17 3.16 40.74 0.00
5 1.65 33.47* 15.64 28.81 8.64 11.80 0.00
6 48.56* 7.41 2.19 27.30 2.61 11.93 0.00
7 5.76 3.57 5.76 70.37* 6.86 7.68 0.00
8 5.08 9.47 46.91* 5.08 15.36 18.11 0.00
9 3.98 9.74 6.31 29.77* 5.08 45.13 0.00
10 13.99 31.41 7.68 29.77* 2.33 14.81 0.00
11 7.54 7.82 55.69* 5.35 3.98 19.62 0.00
12 9.19 17.70* 8.92 6.86 6.17 51.17 0.00
13 4.39 16.46* 5.35 20.03 7.96 45.82 0.00
14 7.41* 6.17 2.88 4.94 1.65 76.95 0.00
15 8.37 7.68 7.96 7.13* 12.48 56.38 0.00
16 3.57 6.58 5.62 5.90* 0.96 77.37 0.00
17 1.92 4.25 4.80 5.62* 6.17 77.09 0.14
18 2.33 2.88 4.66* 2.33 6.58 81.21 0.00
19 2.88 5.62 4.66* 3.70 2.06 81.07 0.00
20 2.19 2.06 4.39 3.29 3.57* 84.50 0.00
21 5.35 5.49 3.57 5.35* 0.96 79.29 0.00
22 2.88 6.58 4.25* 6.04 5.49 74.62 0.14
23 2.33 2.61 1.65 2.61* 2.47 88.34 0.00
24 2.88 12.62 7.00 2.88* 6.58 68.04 0.00
25 1.65 2.19 4.94 4.12* 1.65 85.46 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
2008 AMC 10 B Results for Maine
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
141.0 1 1
120.0 1 1
118.5 1 1
114.0 1 1
102.0 1 1
96.0 1 1 1 1
91.5 1 1 2
90.0 2 2
87.0 1 1
85.5 1 2 1 2
84.0 1 1
82.5 2 2
81.0 3 1 1 3
79.5 2 2
78.0 2 2
76.5 1 1
75.0 1 2 1 2
73.5 2 1 1 2
72.0 2 5 4 4
70.5 4 2 1 5
69.0 3 3 3 3
67.5 1 2 2 1
66.0 7 2 3 6
64.5 1 3 1 3
63.0 4 5 3 6
61.5 5 3 2 6
60.0 2 2 1 4
58.5 4 2 3 3
57.0 4 1 5
55.5 2 2 1 4
54.0 2 1 3
52.5 5 1 3 3
51.0 4 1 3 2
49.5 1 2 2 1
48.0 3 4 1 6 1
46.5 1 2 1 1 1
45.0 2 1 1
43.5 2 4 3 3
42.0 2 1 3
37.5 1 1 2
36.0 1 1
34.5 1 2 3
33.0 2 2
31.5 1 1
30.0 1 1
28.5 1 1
22.5 1 1
15.0 1 1
13.5 1 1
American Mathematics Competitions
2008 AMC 10 B Results for Maine
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 0.63 1.25 1.88 9.38 85.63* 1.25 0.00
2 7.50 78.75* 6.25 2.50 1.25 3.75 0.00
3 24.38 4.38 6.25 19.38* 6.25 39.38 0.00
4 6.25 10.63 74.38* 1.25 0.00 7.50 0.00
5 50.00* 5.00 1.25 1.88 2.50 39.38 0.00
6 5.63 5.00 41.25* 8.13 5.63 33.75 0.63
7 7.50 6.88 66.25* 2.50 4.38 12.50 0.00
8 3.13 9.38 58.13* 10.63 6.25 12.50 0.00
9 13.75* 5.63 3.75 10.63 9.38 56.88 0.00
10 10.63* 7.50 5.00 5.63 8.13 63.13 0.00
11 2.50 11.88* 10.63 7.50 3.13 64.38 0.00
12 68.75* 7.50 3.13 5.00 3.75 11.88 0.00
13 21.88 10.63* 9.38 1.88 7.50 48.75 0.00
14 11.25 26.88* 4.38 8.13 3.13 46.25 0.00
15 10.00* 6.88 8.13 4.38 6.25 64.38 0.00
16 25.00* 28.75 5.00 6.25 6.25 28.75 0.00
17 18.75 10.63* 23.13 10.63 8.13 28.75 0.00
18 6.88 17.50* 10.63 3.75 6.25 55.00 0.00
19 4.38 1.88 3.75 14.38 3.75* 71.88 0.00
20 12.50 48.13* 8.75 5.63 3.75 21.25 0.00
21 8.75 10.63 8.13* 5.00 3.75 63.75 0.00
22 12.50 6.88 22.50* 15.00 6.25 36.88 0.00
23 18.75 7.50* 6.25 8.75 1.25 57.50 0.00
24 9.38 11.25 12.50* 5.63 9.38 51.88 0.00
25 28.75 13.75* 10.63 4.38 1.88 40.63 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
2008 AMC 12 B Results for Maine
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
109.5 1 1
108.0 1 1
106.5 1 1
105.0 1 1
99.0 1 1
97.5 1 1 1 1
96.0 1 1
94.5 1 1 1 2
93.0 1 1
91.5 2 2
90.0 1 1
88.5 1 1
87.0 1 1
85.5 4 1 3
82.5 2 1 1 3 1
81.0 1 1
79.5 3 2 2 3
78.0 2 1 2 1
76.5 5 1 1 2 3
75.0 1 3 1 3
73.5 1 1 1 1
72.0 5 2 1 1 5
70.5 3 1 2 2
69.0 4 2 5 1
67.5 1 2 3
66.0 3 3 2 4
64.5 1 4 5
63.0 2 3 2 3
61.5 3 2 1 4
60.0 4 4 1 5 3
58.5 1 2
57.0 1 3
55.5 1 1
54.0 2 3 2 3
52.5 3 3 3 3
51.0 1 1 2
49.5 2 1 2 1
48.0 1 2 3 1
45.0 1 1
43.5 1
42.0 2 1 2 1
40.5 1 1
36.0 2 3
34.5 1 1
33.0 1
30.0 2 2
American Mathematics Competitions
2008 AMC 12 B Results for Maine
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 1.47 0.74 8.09 89.71* 0.00 0.00
2 7.35 79.41* 8.09 2.21 0.74 2.21 0.00
3 1.47 11.76 79.41* 0.74 2.21 4.41 0.00
4 0.74 3.68 8.09 78.68* 2.94 5.88 0.00
5 0.74 9.56 69.12* 8.82 5.15 6.62 0.00
6 86.76* 2.94 5.15 2.21 1.47 1.47 0.00
7 80.15* 6.62 2.94 0.74 2.21 7.35 0.00
8 2.94 2.94 69.85* 6.62 7.35 10.29 0.00
9 28.68* 8.09 7.35 6.62 3.68 45.59 0.00
10 5.15 36.03* 12.50 6.62 4.41 34.56 0.74
11 11.03* 7.35 5.15 11.03 32.35 33.09 0.00
12 29.41 29.41* 8.82 2.94 7.35 22.06 0.00
13 2.94 17.65* 5.88 8.82 3.68 61.03 0.00
14 5.15 5.15 22.06* 11.76 8.09 47.79 0.00
15 5.15 6.62 11.03* 5.88 6.62 64.71 0.00
16 30.15 11.76* 3.68 7.35 3.68 43.38 0.00
17 7.35 2.94 8.82* 2.94 1.47 76.47 0.00
18 5.15 4.41 7.35 7.35 8.09* 67.65 0.00
19 6.62 8.09* 4.41 5.15 3.68 72.06 0.00
20 26.47 16.91* 8.09 4.41 4.41 39.71 0.00
21 2.94 4.41 8.09 2.94 5.88* 75.74 0.00
22 6.62 7.35 8.09 8.82 6.62* 62.50 0.00
23 4.41* 2.94 2.94 6.62 2.21 80.88 0.00
24 3.68 3.68 2.94* 2.94 2.21 84.56 0.00
25 5.88 2.94* 4.41 5.88 1.47 79.41 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column