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Find the standard deviation if the variance of a data set is 361. A. ± 19B. 19C. 361D. 180.51. C2. A3. B4. D |
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Answer» Correct Answer - Option 3 : B Given: Variance = 361 Concept used: The positive square root of the variance is called Standard deviation S.D = √Variance Calculation: S.D = √Variance ⇒ S.D = √361 ⇒ S.D = 19 ∴ The standard deviation of the data is 19. |
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