Skewness

Noun

1. The property of being skew.
2. A measure of the asymmetry of the probability distribution of a real-valued random variable; is the third standardized moment, defined as γ<!-- γ --> 1 = μ<!-- μ --> 3 σ<!-- σ --> 3 , {\displaystyle \scriptstyle \gamma _{1}={\frac {\mu _{3}}{\sigma ^{3}}},\!} where μ<!-- μ --> 3 {\displaystyle \mu _{3}} is the third moment about the mean and σ<!-- σ --> {\displaystyle \sigma } is the standard deviation.