Which of the following best describes the coefficient of variation?
A)it measures variation as a percentage of the mean.
B)it calculated as the mean divided by the standard deviation.
C)it is not helpful when comparing the dispersion in data sets that have different means
D)it can only be calculate using population parameters, not sample statistics
E)all of the above

Question

Quizplus · Accepted Answer

The coefficient of variation measures the extent of variability in relation to the mean of the population, expressing it as a percentage. This makes it particularly useful for comparing the degree of variation from one data series to another, even if the means are drastically different.

Which of the Following Best Describes the Coefficient of Variation