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S.D. of n observation a(1),a(2),a(3).......

S.D. of n observation `a_(1),a_(2),a_(3)........a_(n)` is `sigma` then the S.D. of the observations `lambda a_(1), lambda a_(2)...........lambda a_(n)` is

A

`lambda sigma`

B

`-lambda sigma`

C

`|lambda|sigma`

D

`lambda_(n)sigma`

Text Solution

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The correct Answer is:
C
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