Last modified on 2 May 2015, at 15:54

standard deviation

EnglishEdit

EtymologyEdit

Coined by English mathematician Karl Pearson in 1894 in his paper "On the dissection of asymmetrical frequency curves".

NounEdit

standard deviation (plural standard deviations)

  1. (statistics) A measure of how spread out data values are around the mean, defined as the square root of the variance.

SynonymsEdit

See alsoEdit

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