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Find the mean of the following data. X 3 2 10 4 5 F 5 3 4 2 6
Question

Find the mean of the following data.

X
3
2
10
4
5
F
5
3
4
2
6

A.

8.65

B.

3.68

C.

4.95

D.

6.52

Correct option is C

Formula Used:  

Mean = (X×F)F\frac{\sum(X \times F)}{\sum F}​​

Solution:

(X×F) \sum (X \times F) = (15 + 6 + 40 + 8 + 30) = 99

F{\sum F} = (5+3+4+2+6) = 20

Mean = 9920\frac{99}{20} = 4.95

Thus the correct answer is (C)


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