Question #51097

The variance of a given distribution is 25. What is the standard deviation.
1

Expert's answer

2015-03-04T07:39:51-0500

Answer on Question #51097, Math, Statistics and Probability

Question

The variance of a given distribution is 25. What is the standard deviation.

Answer

The standard deviation of a probability distribution is a square root of its variance. So:


σ=Var=25=5\sigma = \sqrt{Var} = \sqrt{25} = 5


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