1.

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

Answer»

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

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