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If the standard deviation of the numbers...

If the standard deviation of the numbers -1, 0, 1, k is `sqrt(5) " where " k gt 0` is equal to

A

`2sqrt(6)`

B

`2sqrt((10)/(3))`

C

`4sqrt((5)/(3))`

D

`sqrt(6)`

Text Solution

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The correct Answer is:
A
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