American Mathematics Competitions
2008 AMC 10 A Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 28
Number of unofficial participants: 0
Average score of participants: 50.2
Average score for male students is: 50.2 ( 28 Students)
Average score for grade 10 is: 47.3 ( 10 Students)
Average score for grade 9 is: 51.8 ( 18 Students)
AIME qualifying score = 117.0 or better
Number of AIME qualifers 0
Number of schools returning results 1
Average school winning score 82.50
American Mathematics Competitions
2008 AMC 12 A Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 28
Number of unofficial participants: 0
Average score of participants: 64.4
Average score for male students is: 64.0 ( 27 Students)
Average score for unspecified gender is 76.5 ( 1 Student)
Average score for grade 12 is: 65.7 ( 10 Students)
Average score for grade 11 is: 63.8 ( 18 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 0
Number of schools returning results 1
Average school winning score 78.00
Average school team score 232.50
American Mathematics Competitions
2008 AMC 10 B Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 125
Number of unofficial participants: 0
Average score of participants: 56.0
Average score for female students is: 51.8 ( 75 Students)
Average score for male students is: 63.9 ( 41 Students)
Average score for unspecified gender is 54.8 ( 9 Students)
Average score for grade 10 is: 53.2 ( 48 Students)
Average score for grade 9 is: 54.5 ( 63 Students)
Average score for grade 8 and below is: 75.0 ( 13 Students)
Average score with unknown grade: 36.0 ( 1 Student)
AIME qualifying score = 120.0 or better
Number of AIME qualifers 2
Number of schools returning results 3
Average school winning score 100.00
American Mathematics Competitions
2008 AMC 12 B Results for Guam
GRAND STATISTICS
TOTAL NUMBER of official students taking exam: 132
Number of unofficial participants: 0
Average score of participants: 56.5
Average score for female students is: 52.7 ( 105 Students)
Average score for male students is: 74.1 ( 20 Students)
Average score for unspecified gender is 63.2 ( 7 Students)
Average score for grade 12 is: 52.4 ( 83 Students)
Average score for grade 11 is: 64.8 ( 44 Students)
Average score with unknown grade: 50.1 ( 5 Students)
AIME qualifying score = 97.5 or better
Number of AIME qualifers 0
Number of schools returning results 3
Average school winning score 89.50
Average school team score 255.50
2008 State AMC 12 TEAM Score Distribution
-----------------------------------------------
score A B Rank
-----------------------------------------------
273.0 1 1
262.5 1 2
232.5 1 3
231.0 1 4
2008 AMC Contest Score Distributions
-----------------------------------------------
score 12 A 12 B 10 A 10 B
-----------------------------------------------
124.5 1
121.5 1
109.5 1
108.0 1
103.5 1
96.0 2
93.0 1 1
90.0 1
87.0 1 1
84.0 2
82.5 3 1
81.0 3
79.5 3 1
78.0 2 6 2
76.5 4 1 1
75.0 3 1 3
73.5 5 1
72.0 1 4 3
70.5 1 2
69.0 2 1 2
67.5 3 1 4
66.0 2 6 1 5
64.5 4 3
63.0 3 1 5
61.5 2 3 1 5
60.0 2 6 1 4
58.5 1 8 5
57.0 1 5 3
55.5 2 3 1
54.0 1 5 2 3
52.5 2 3 8
51.0 4 2 3
49.5 7 3 6
48.0 1 3 2 5
46.5 1 2 4
45.0 3 2 2
43.5 3 1 2
42.0 5 2
40.5 1 6
39.0 4 5
37.5 1 5
36.0 6 7
34.5 3
33.0 4 1 3
31.5 3 1
30.0 3
28.5 1 1
27.0 1 2
25.5 1 1
24.0 4
6.0 1
American Mathematics Competitions
2008 AMC 10 A Results for Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
82.5 1 1
75.0 1 1
69.0 1 1
66.0 1 1
61.5 1 1
60.0 1 1
55.5 1 1
54.0 2 1 1
51.0 2 2
49.5 3 1 2
48.0 2 2
46.5 2 2
45.0 2 2
43.5 1 1
39.0 4 4
37.5 1 1
33.0 1 1
28.5 1 1
American Mathematics Competitions
2008 AMC 10 A Results for Guam
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 7.14 85.71* 7.14 0.00 0.00
2 32.14* 25.00 25.00 3.57 0.00 14.29 0.00
3 71.43* 10.71 0.00 3.57 3.57 10.71 0.00
4 3.57 0.00 32.14* 10.71 0.00 53.57 0.00
5 3.57 35.71* 7.14 0.00 0.00 53.57 0.00
6 7.14 0.00 3.57 3.57* 39.29 46.43 0.00
7 39.29 3.57 0.00 3.57 7.14* 46.43 0.00
8 32.14* 7.14 10.71 17.86 0.00 32.14 0.00
9 7.14 35.71* 14.29 7.14 0.00 35.71 0.00
10 0.00 39.29 7.14 0.00 21.43* 32.14 0.00
11 0.00 3.57 14.29 53.57* 10.71 17.86 0.00
12 7.14 0.00 14.29* 10.71 10.71 57.14 0.00
13 17.86 17.86 7.14 14.29* 3.57 39.29 0.00
14 0.00 7.14 0.00 3.57* 14.29 75.00 0.00
15 0.00 3.57 32.14 10.71* 3.57 50.00 0.00
16 0.00 0.00* 0.00 7.14 3.57 89.29 0.00
17 0.00 0.00* 0.00 3.57 3.57 92.86 0.00
18 0.00 0.00* 0.00 0.00 0.00 100.00 0.00
19 3.57 3.57 3.57* 0.00 0.00 89.29 0.00
20 3.57 14.29 3.57 3.57* 0.00 75.00 0.00
21 3.57* 7.14 0.00 0.00 0.00 89.29 0.00
22 3.57 3.57 21.43 21.43* 0.00 50.00 0.00
23 7.14 0.00* 0.00 3.57 0.00 89.29 0.00
24 14.29 3.57 0.00 0.00* 7.14 75.00 0.00
25 0.00 3.57 0.00* 7.14 0.00 89.29 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 Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
78.0 2 2
76.5 3 2 2
72.0 1 1
70.5 1 1
67.5 3 2 1
66.0 2 1 1
63.0 3 2 1
61.5 2 1 1
60.0 2 2
58.5 1 1
57.0 1 1
55.5 2 2
54.0 1 1
52.5 2 2
48.0 1 1
American Mathematics Competitions
2008 AMC 12 A Results for Guam
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 0.00 100.00* 0.00 0.00 0.00
2 89.29* 7.14 0.00 0.00 3.57 0.00 0.00
3 0.00 0.00 85.71* 0.00 7.14 7.14 0.00
4 0.00 57.14* 0.00 3.57 0.00 39.29 0.00
5 0.00 46.43* 0.00 14.29 21.43 17.86 0.00
6 39.29* 3.57 0.00 35.71 0.00 21.43 0.00
7 3.57 0.00 3.57 71.43* 10.71 10.71 0.00
8 0.00 0.00 53.57* 0.00 7.14 39.29 0.00
9 3.57 3.57 0.00 14.29* 0.00 78.57 0.00
10 10.71 25.00 7.14 35.71* 0.00 21.43 0.00
11 0.00 0.00 71.43* 3.57 3.57 21.43 0.00
12 0.00 3.57* 3.57 0.00 0.00 92.86 0.00
13 0.00 0.00* 0.00 3.57 7.14 89.29 0.00
14 0.00* 0.00 0.00 3.57 0.00 96.43 0.00
15 3.57 3.57 10.71 3.57* 3.57 75.00 0.00
16 0.00 0.00 0.00 0.00* 0.00 100.00 0.00
17 0.00 0.00 0.00 0.00* 0.00 100.00 0.00
18 0.00 0.00 0.00* 0.00 0.00 100.00 0.00
19 0.00 7.14 0.00* 0.00 0.00 92.86 0.00
20 0.00 0.00 0.00 0.00 3.57* 96.43 0.00
21 0.00 0.00 3.57 7.14* 0.00 89.29 0.00
22 0.00 0.00 0.00* 3.57 3.57 92.86 0.00
23 3.57 0.00 0.00 0.00* 0.00 96.43 0.00
24 0.00 3.57 3.57 0.00* 0.00 92.86 0.00
25 0.00 3.57 0.00 0.00* 0.00 96.43 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 Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 ?
----------------------------------------------------------------------------------------
124.5 1 1
121.5 1 1
109.5 1 1
108.0 1 1
103.5 1 1
93.0 1 1
90.0 1 1
87.0 1
84.0 1 1 1 1
79.5 1 1
78.0 1 1 1 1
76.5 1 1
75.0 1 2 1 1 1
73.5 1 1
72.0 3 1 2
69.0 1 1 1
67.5 1 2 3 1
66.0 5 1 2 2
64.5 3 3
63.0 2 3 1 1 1 2
61.5 4 1 2 2
60.0 3 1 1 1 2
58.5 1 4 3 2
57.0 2 1 2 1
54.0 1 1 1 2
52.5 3 5 5 3
51.0 1 2 1 2
49.5 3 3 6
48.0 2 3 3 2
46.5 2 2 3 1
45.0 1 1 1 1
43.5 1 2
42.0 2 1 1
40.5 1 5 5 1
39.0 5 5
37.5 1 2 1 3 1
36.0 2 4 3 3 1
34.5 3 3
33.0 3 1 2
31.5 1 1
27.0 2 2
25.5 1 1
American Mathematics Competitions
2008 AMC 10 B Results for Guam
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 4.80 2.40 3.20 12.00 68.80* 8.80 0.00
2 9.60 63.20* 9.60 1.60 4.80 11.20 0.00
3 12.80 4.00 5.60 22.40* 6.40 48.80 0.00
4 26.40 16.80 36.00* 2.40 1.60 16.80 0.00
5 44.80* 4.00 0.80 6.40 3.20 40.80 0.00
6 3.20 8.00 32.80* 11.20 7.20 37.60 0.00
7 7.20 7.20 60.80* 4.00 5.60 15.20 0.00
8 4.80 8.80 39.20* 11.20 4.80 31.20 0.00
9 14.40* 3.20 4.00 5.60 3.20 69.60 0.00
10 10.40* 7.20 1.60 2.40 4.80 73.60 0.00
11 0.80 9.60* 5.60 8.80 2.40 72.80 0.00
12 64.00* 4.80 4.00 2.40 2.40 22.40 0.00
13 20.00 8.00* 5.60 0.00 1.60 64.80 0.00
14 8.80 20.00* 4.80 4.00 1.60 60.80 0.00
15 5.60* 5.60 4.00 6.40 4.80 73.60 0.00
16 16.80* 20.00 0.00 14.40 2.40 46.40 0.00
17 5.60 8.80* 26.40 12.00 4.00 43.20 0.00
18 8.80 22.40* 12.00 4.80 0.80 51.20 0.00
19 1.60 3.20 5.60 8.00 4.00* 77.60 0.00
20 9.60 29.60* 7.20 7.20 1.60 44.80 0.00
21 13.60 16.00 6.40* 5.60 3.20 55.20 0.00
22 13.60 5.60 18.40* 11.20 8.80 42.40 0.00
23 2.40 5.60* 6.40 4.00 0.80 80.80 0.00
24 9.60 4.80 8.80* 10.40 11.20 55.20 0.00
25 15.20 12.00* 8.00 4.00 4.00 56.80 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 Guam
SCORE DISTRIBUTION
score ----gender----------- -----------grade-----------------
male female ? <=6 7 8 9 10 11 12 13 ?
----------------------------------------------------------------------------------------
96.0 1 2
93.0 1 1
87.0 1 1
82.5 1 1 1 1 1
81.0 1 1 1 2
79.5 1 2 3
78.0 2 4 2 4
76.5 1 1
75.0 1 2 1 2
73.5 1 3 2 3
72.0 2 2 2 2
70.5 2 1 1
69.0 2 1 1
67.5 1 1
66.0 1 5 6
64.5 4 4
63.0 1 1
61.5 3 3
60.0 6 4 2
58.5 1 7 4 3 1
57.0 1 4 1 4
55.5 3 2 1
54.0 5 5
52.5 3 3
51.0 4 2 2
49.5 7 1 6
48.0 1 2 1 2
46.5 1 1
45.0 3 3
43.5 2 1 1 1
42.0 4 4 1
40.5 1 1
36.0 6 6
33.0 4 1 3
31.5 3 1 2
30.0 3 1 2
28.5 1 1
27.0 1 1
25.5 1 1
24.0 3 3 1
6.0 1 1
American Mathematics Competitions
2008 AMC 12 B Results for Guam
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 5.30 0.00 3.79 12.12 73.48* 5.30 0.00
2 9.85 71.21* 9.09 3.79 0.00 6.06 0.00
3 21.97 15.15 49.24* 4.55 0.76 8.33 0.00
4 6.06 8.33 6.06 64.39* 5.30 9.85 0.00
5 5.30 9.09 52.27* 9.09 12.88 11.36 0.00
6 74.24* 4.55 5.30 2.27 3.79 9.85 0.00
7 53.79* 7.58 4.55 3.79 5.30 25.00 0.00
8 4.55 3.79 51.52* 7.58 6.82 25.00 0.76
9 24.24* 6.82 6.82 5.30 8.33 48.48 0.00
10 6.06 21.97* 16.67 6.82 1.52 46.97 0.00
11 3.79* 12.88 3.03 7.58 38.64 34.09 0.00
12 34.09 10.61* 5.30 4.55 4.55 40.91 0.00
13 3.79 9.85* 4.55 9.09 1.52 71.21 0.00
14 3.79 3.79 25.00* 9.85 7.58 50.00 0.00
15 3.79 7.58 4.55* 6.06 8.33 69.70 0.00
16 11.36 5.30* 6.06 14.39 0.76 62.12 0.00
17 6.82 8.33 5.30* 5.30 3.03 71.21 0.00
18 6.06 9.09 5.30 7.58 5.30* 66.67 0.00
19 3.79 9.09* 7.58 5.30 3.79 70.45 0.00
20 11.36 13.64* 9.85 6.06 3.03 56.06 0.00
21 6.06 6.06 3.79 8.33 4.55* 71.21 0.00
22 8.33 15.91 9.09 3.79 7.58* 55.30 0.00
23 3.79* 6.82 9.09 8.33 0.76 71.21 0.00
24 6.06 5.30 8.33* 2.27 2.27 75.76 0.00
25 5.30 4.55* 4.55 9.09 4.55 71.97 0.00
(*) Correct Response
(?) Response the computer was unable to read due to incomplete
erasures or two answers marked in the same column