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From a set of n(n gt 1) numbers, all exc...

From a set of `n(n gt 1)` numbers, all except one, which is `n-(1)/(n)` are `n's`. Find the mean of all the `n` numbers.

A

`n - (1)/(n)`

B

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

C

`1`

D

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

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The correct Answer is:
B
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ARIHANT PUBLICATION PUNJAB-DATA HANDLING -CHAPTER EXERCISE
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  19. The mean the five observations x,x + 2 , x + 4, x + 6, x + 8 is 11 ...

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