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Mathematics
Mathematics
Problem
Consider the following frequency distribution of scores: Score:
1
3
5
7
1\quad 3\quad 5\quad 7
1
3
5
7
Frequency:
2
f
6
4
2\quad f\quad 6\quad 4
2
f
6
4
If the mean score is
4.5
4.5
4.5
, determine the missing frequency
f
f
f
. a)
6
6
6
b)
3
3
3
c)
4
4
4
d)
2
2
2
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