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Standardized moment
In probability theory and statistics, the kth
standardized moment of a probability distribution is μk/σk, where μk is the kth moment about the mean and σ is the standard deviation.
The third and fourth standardized moments are used to define skewness and kurtosis.
For more information on "moments", please consult Wolfram Research's [mathworld website (http://mathworld.wolfram.com/topics/Moments)].
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