Word Pronunciation & Dictionary

standard deviation

Word Rarity Rare

Frequency: Zipf frequency 3.39 in modern English

Syllables: stan-dard- de-vi-a-tion
IPA

23

Scrabble Score

17

Letters

6

Syllables

10

Unique Chars

Meaning

noun

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).

Etymology

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

Inflected Forms

standard deviations (plural)

Synonyms

standard error sigma

Questions

What does standard deviation mean?: 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).
Where does standard deviation come from?: Coined by English mathematician, biometrician, and eugenicist Karl Pearson in 1894 in his paper "On the dissection of asymmetrical frequency curves".

How to pronounce standard deviation

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