The variance of 20 observations is 5. If each observation is multiplied by 2, then what is the new variance of the resulting observations?

The variance of 20 observations is 5. If each observation is multiplie

1.	The variance of 20 observations is 5. If each observation is multiplied by 2, then what is the new variance of the resulting observations?
A.	5
B.	10
C.	20
D.	40
Answer» D. 40

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The variance of 20 observations is 5. If each observation is multiplied by 2, then what is the new variance of the resulting observations?

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