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The average of n numbers x(1),x(2),x(3)…...

The average of n numbers `x_(1),x_(2),x_(3)…x_(n)` is M. If `x_(n)` is replaced by x, then new average is

A

`M-x_(n)+x'`

B

`(nM-x_(n)+x)/(n)`

C

`((n-1)M+x)/(n)`

D

`(M-x_(n)+x)/(n)`

Text Solution

Verified by Experts

The correct Answer is:
B
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