Statistics & Probability
Intermediate

Coefficient of Variation

Relative variability as a percentage of the mean.

Formula

CV=σμ×100CV = \frac{\sigma}{\mu}\times 100

Variables

\sigmaStd deviation
\muMean

Example

Compares spread across scales

Did You Know?

The coefficient of variation is dimensionless, letting you compare the spread of prices and heights on equal footing.