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The variance of observation x(1), x(2),x...

The variance of observation `x_(1), x_(2),x_(3),…,x_(n)` is `sigma^(2)` then the variance of
`alpha x_(1), alpha x_(2), alpha x_(3),….,alpha x_(n), (alpha != 0)` is

A

`sigma^(2)`

B

`alpha sigma^(2)`

C

`alpha^(2) sigma^(2)`

D

`(sigma^(2))/(alpha^(2))`

Text Solution

Verified by Experts

The correct Answer is:
C
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