1.

If the variance of 1,2,3,4,5 , …., 10 is (99)/(12), then the standard deviation of 3,6,9,12,…..,30 is

Answer»

`(297)/(4)`
`(3)/(2)sqrt(33)`
`(3)/(2)sqrt(99)`
`sqrt((99)/(12))`

ANSWER :44


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