Question:medium

The variance of 25 observations is 8. If each observation is multiplied by 3, then the new variance of the resulting observations is

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If data is multiplied by \(k\), variance becomes \(k^2\) times. If a constant is added, variance remains unchanged.

Updated On: Apr 28, 2026

8
\( \frac{8}{9} \)
24
72

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The Correct Option is D

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