SKEWNESS

Skewness

In probability theory and statistics, skewness is a measure of the extent to which a probability distribution of a real-valued random variable "leans" to one side of the mean. The skewness value can be positive or negative, or even undefined.

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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 <math>\scriptstyle\gamma_1 = \frac{\mu_3}{\sigma^3}, \!</math> where <math>\mu_3</math> is the third moment about the mean and <math>\sigma</math> is the standard deviation.


The above text is a snippet from Wiktionary: skewness
and as such is available under the Creative Commons Attribution/Share-Alike License.

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