The standard deviation of a random variable Y is the…
A) range of possible values for Y.
B) most common value over a large number of observations of Y.
C) approximate average distance from the mean that one would see in a large number of observations of Y.
D) approximate mean value over a large number of observations of Y.

Question

Quizplus · Accepted Answer

The standard deviation measures the dispersion or spread of a set of values, indicating how much the values typically deviate from the mean.

The Standard Deviation of a Random Variable Y Is The…