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Letx_(1),x_(2),………,x_(n)be n observation , and letbar(x)be thrirarithmeticmeanand sigma^(2)be theirvariance. Statement1 : Variance of 2x_(1),2x_(2),…..,2x_(n) is 4sigma^(2). Statement 2 : Arithmetic meanof 2x_(1),2x_(2),......,2x_(n) is 4 bar(x). |
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Answer» Statemnet 1is ture , Statement 2 is ture, Statement 2 is a correct EXPLANATION for Statement 1 |
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