Meaning of “standard deviation” in the English Dictionary

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"standard deviation" in Business English

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standard deviationnoun [ C or U ]

uk us GRAPHS & CHARTS, MEASURES

a measurement of the degree to which each number in a set of numbers is different from the average:

standard deviation from sth A fund's performance is measured using its standard deviation from the average profits of all the funds in its category.

(Definition of “standard deviation” from the Cambridge Business English Dictionary © Cambridge University Press)