Definitions
quadratic mean Tweet Definition of quadratic mean Like Definition of quadratic mean on Facebook
noun 
  1. (mathematics) A type of average, calculated as the square root of the mean of the squares, ie. <math>Q = \sqrt { x_1^2 + x_2^2 + ... + x_n^2 \over n }</math>.
Translations: 
  • French: moyenne quadratique(fr)
Etymology: Quadratic in the phrase refers to the squaring on the terms.


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