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Answer Key for 2013 MMC Test
October 29, 2013
1. 2,142
!
2.
!
3. 17
4. 5
5.
!!
!
−
!
!
6. 2
7. 36
8. 12
9.
39
10. 2 + 2011
11. !
!
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!"
12. 1806
13. 4:5 or
14. !
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15. 31
2013 Mathworks Math Contest
2013 Mathworks Math Contest (MMC)
Summary Statistics
Value
Mean Score (out of 15)
Median Score
Mode Score
High Scorer
Standard Deviation of Scores
Total Number of Participants
3.2
2
1
14.5
2.8
370
Score Frequency
81
80
Number of students
70
62
60
50
46
47
43
40
30
20
10
27
19
13
8
0
Score
8
4
5
5
1
1
0
Item Analysis CHART A Percent Correct On Each Ques<on, arranged in ques<on order Skipped 100% 90% 80% 70% 60% 50% 40% 30% 20% 10% 0% Incorrect Correct CHART B Percent Correct on each ques<on, arranged from lowest to highest 11 (Geometry) 10 (Geometry) 13 (Geometry) 12 (Combinatorics) 14 (Geometry) 8 (Combinatorics) 5 (Geometry) 1 (Combinatorics) 3 (Number Theory) 2 (Probability) 9 (Algebra) 15 (Number Theory) 6 (Geometry) 7 (Number Theory) 4 (Number Theory) 0% 10% 20% 30% 40% 50% 60% 70% 80% 90% 100% Correct Incorrect Skipped Percent Participation by Grade
5th Grade
2%
8th Grade
49%
6th Grade
19%
7th Grade
30%
Percent of Participation by Gender
Girls
28%
Boys
72%