変へん動どう係けい数すう

noun

coefficient of variation; variation coefficient

A statistical measure of relative dispersion, defined as the ratio of the standard deviation to the mean. Used in fields such as finance, quality control, and biology.

• 変へん動どう係けい数すうは標ひょう準じゅん偏へん差さを平へい均きんで割わったものです。

  The coefficient of variation is the standard deviation divided by the mean.