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The variance of 20 observations in 5 If ...

The variance of 20 observations in 5 If each observation is multiplied by 2. then what is the new variance of the resulting observation.
(a)5
(b)10
(c)20
(d)40

A

5

B

10

C

20

D

40

Text Solution

Verified by Experts

The correct Answer is:
C
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