The simplest measure of variability is the
A)variance.
B)standard deviation.
C)coefficient of variation.
D)range.

Question

Quizplus · Accepted Answer

The range is the simplest measure of variability since it is just the difference between the maximum and minimum values in the data set. The variance and standard deviation are more complex measures that take into account the distance of each data point from the mean. The coefficient of variation is a measure of relative variability that compares the standard deviation to the mean, and is only useful when comparing data sets with different units or scales.

The Simplest Measure of Variability Is the