quadratic mean

English

Wikipedia

Etymology

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

Noun

quadratic mean (plural quadratic means)

1. (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

• root mean square
• RMS

Hypernyms

• (statistics): measure of central tendency

See also

• arithmetic mean
• geometric mean
• harmonic mean

Translations

type of average

• Czech: kvadratický průměr (cs) m
• French: moyenne quadratique (fr)
• German: quadratisches Mittel (de) n

• Italian: media quadratica (it)
• Polish: średnia kwadratowa (pl) f
• Serbo-Croatian: kvadratna sredina (sh) f