Some people obviously can:
@HCIR_GeneG: It's a measure of variability of a data sample, without paying attention to absolute values. Can be used to compare diff. distributions.
@flutesUD: CV = Std Dev / Mean. Tells u how variable the data are regardless of their units. Lets u compare across different types of studies.
My suggestion:
In probability theory and statistics, the coefficient of variation (CV) is a normalized measure of dispersion of a probability distribution. It is defined as the ratio of the standard deviationto the mean
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