Encyclopedia > Standardized moment

Article Content

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 (http://mathworld.wolfram.com/topics/Moments)].

All Wikipedia text is available under the terms of the GNU Free Documentation License

Search Encyclopedia

Search over one million articles, find something about almost anything!

Featured Article

East Islip, New York

... 21.1% from 45 to 64, and 11.8% who are 65 years of age or older. The median age is 37 years. For every 100 females there are 95.2 males. For every 100 females age 18 and ...