The standard deviation in a distribution is the square root of that distribution's variance.

Question

Quizplus · Accepted Answer

This statement is true. The formula for standard deviation is the square root of the variance, as shown below:

Standard deviation = square root of variance

S = √(Σ(xi - x̄)² / n)

where S is the standard deviation, Σ is the summation of all values in the set, xi is each individual value, x̄ is the mean, and n is the number of values in the set.

The Standard Deviation in a Distribution Is the Square Root