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If the mean of a set of observations `x_(1),x_(2), …,x_(n)" is " bar(X)`, then the mean of the observations `x_(i) +2i , i=1, 2, ..., n` is

A

`brx+2(n+1)`

B

`barx+(n+1)`

C

`barx+(n+1)/(2n)`

D

None of these

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The correct Answer is:
B
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