Find the mean of the scores in the following frequency distribution. (S=Score)

Find the mean of the scores in the following frequency distribution.
(S=Score)

S | f
9 | 2
8 | 4
7 | 8
6 | 6
5 | 4
4 | 3
3 | 2

A. 8
B. 7
C. 6.21
D. 6


Answer: 6.21


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