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skewness - What does it mean?

Definition of 'skewness'

English

(wikipedia)

Noun

  • The property of being skew.
  • (statistics) A measure of the asymmetry of the probability distribution of a real-valued random variable; is the third standardized moment, defined as \scriptstyle\gamma_1 = \frac{\mu_3}{\sigma^3}, \! where \mu_3 is the third moment about the mean and \sigma is the standard deviation.