If we know the sample variance, can we use that information to find the sample standard deviation?
A)Yes, simply take the square root of the variance to find the standard deviation.
B)Yes, simply square the variance to find the standard deviation.
C)Yes, simply divide the variance by N to find the standard deviation.
D)No, it is not possible.

Question

Quizplus · Accepted Answer

The standard deviation is defined as the square root of the variance, so taking the square root of the sample variance gives the sample standard deviation.

If We Know the Sample Variance, Can We Use That