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If the mean of the set of data 1,2,3,1,2...

If the mean of the set of data 1,2,3,1,2,5,x is `3.overline(27)`, what is the value of x?

A

`-10.7`

B

2.5

C

5.6

D

8.9

Text Solution

Verified by Experts

The correct Answer is:
D
Mean`=(1+2+3+1+2+5+x)/(7)=(14+x)/(7)=3.overline(27)`. Therefore, x=8.9.
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