Comparing the consistency between two data sets when their means are very different is best done with the -------.
A)z-score
B)median
C)standard deviation
D)coefficient of variation

Question

Quizplus · Accepted Answer

The coefficient of variation (CV) is a statistical measure of the dispersion of data points in a data series around the mean. It is useful for comparing the degree of variation from one data series to another, even if the means are drastically different, because it is a normalized measure of dispersion. This makes it particularly suitable for comparing the consistency between two data sets with very different means.

Comparing the Consistency Between Two Data Sets When Their Means