quadratic mean

English

Etymology

Quadratic in the phrase refers to the squaring on the terms.

Noun

quadratic mean (plural quadratic means)

(mathematics) A type of average, calculated as the square root of the mean of the squares, ie. $Q={\sqrt {x_{1}^{2}+x_{2}^{2}+...+x_{n}^{2} \over n}}$ .

Synonyms

Hypernyms

(statistics): measure of central tendency

Translations

type of average — see root mean square

See also

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