STATISTICAL TECHNIQUES AND TOOLS
MEASURE OF STANDARD DEVIATION
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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If the variance of a data set is 64, what is its standard deviation?
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8
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4096
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4
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32
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Explanation:
Detailed explanation-1: -Answer and Explanation: Thus, the standard deviation is 8.
Detailed explanation-2: -Given that the variance for a sample is s2=49. s 2 = 49. The sample standard deviation is computed as follows. Ans) The required value of sample standard deviation is 7 .
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