The descriptive measure of dispersion that is based on the concept of a deviation about the mean is _____.
A) the range
B) the interquartile range
C) both the range and the interquartile range
D) neither the range nor the interquartile range

Question

Quizplus · Accepted Answer

The descriptive measure of dispersion that is based on the concept of deviation about the mean is the standard deviation or variance, neither of which are listed as possible choices. The range and interquartile range are based on specific data points and do not take into account the deviation from the mean, so they are not the correct answer.

The Descriptive Measure of Dispersion That Is Based on the Concept