Coefficient of Variation

The coefficient of variation is the standard deviation divided by the mean. The worksheet reports the quotient; it does not convert the value to a percentage. The coefficient of variation is a dimensionless measure of variation. This statistic is not defined for the case of a zero mean. In fact, this measure is only useful when dealing with strictly positive data.

Population Coefficient of Variation (V)

$image\popcov.png$

Sample Coefficient of Variation (V)

$image\samcov.png$

where

$image\popsd-sym.png$	= Population Standard Deviation
S	= Sample Standard Deviation
$image\u.png$	= Population Mean
$image\mean.png$	= Sample Mean

Coefficient of Variation

See Also