Let $S$ be the standard deviation of $n$ observations. Each of the $n$ observations is multiplied by a constant $C$ . Then the standard deviation of the resulting number is

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$S \sqrt{C}$

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none of these

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Solution

The correct option is B
CS

If each of $n$ observations are multiplied by a constant C, the standard deviation also gets multiplied by C.

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Let S be the standard deviation of n observations. Each of the n observations is multiplied by a constant C. Then the standard deviation of the resulting number is

The correct option is B CS If each of n observations are multiplied by a constant C, the standard deviation also gets multiplied by C.

Let $S$ be the standard deviation of $n$ observations. Each of the $n$ observations is multiplied by a constant $C$ . Then the standard deviation of the resulting number is

The correct option is B
CS

If each of $n$ observations are multiplied by a constant C, the standard deviation also gets multiplied by C.