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The variance of the first n-natural numb...

The variance of the first n-natural numbers is

A

`(n^(2)-1)/(12)`

B

`(n^(2)-1)/(6)`

C

`(n^(2)+1)/(6)`

D

`(n^(2)+1)/(12)`

Text Solution

Verified by Experts

The correct Answer is:
A
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