standard deviation
Meaning
A measure of how spread out data values are around the mean, defined as the square root of the variance. Represented with the Greek letter σ (sigma).
Synonyms
root-mean-square error
mean error
error of mean square
quadratic mean deviation
mean-rootsquare
square mean
mean square error
average error
root-mean-square deviation
balanced error
Translations
Standardabweichung
écart type
desviación estándar
standaardafwijking
desvio padrão
standart sapma
desviació típica
deviazione standard
الانحراف المعياري ölçün sapmaEtymology
Coined by English mathematician Karl Pearson in 1894 in his paper "On the dissection of asymmetrical frequency curves".
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