Standardized moment
In
probability theory and
statistics, the
kth
standardized moment of a
probability distribution is μ
k/σ
k, where μ
k 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].