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In any discrete series (when all values ...

In any discrete series (when all values are not same ) is x represents mean deviation about mean and y represents standard deviation, then which one of the following is correct?

A

`ygex`

B

`ylex`

C

`x=y`

D

`xlty`

Text Solution

Verified by Experts

The correct Answer is:
D
`x=M.D., y=S.D.`
`M.D.=(4)/(5)S.D. rArr xlty`
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