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

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

A

`(xM - x_(n) + x')/(n)`

B

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

C

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

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
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