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

Dynabee

... gyroscope, with a maximum effect when the axis starts "rolling" inside the groove. (Compare with graphic below.) Since this friction force is essential for the device's ...