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Let overline(x) be the mean of n observa...

Let `overline(x)` be the mean of n observations `x_(1),x_(2),x_(3), . . . x_(n)`, If (a-b) is added to each observation, then what is the mean of the new set of observations ?

A

zero

B

`overline(x)`

C

`overline(x)-(a-b)`

D

`overline(x)+(a-b)`

Text Solution

Verified by Experts

The correct Answer is:
D
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