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If the variance of the distribution is 49 then find the Standard deviation of it.

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If the variance of the distribution is 49 then find the Standard deviation of it.
1. 7
2. 5
3. 3
4. 2
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Correct Answer - Option 1 : 7

Given

Variance = 49

Concept used

Standard deviation = (variance)1/2

Calculation

Standard deviation = √49

Standard deviation = 7

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