standard deviation

NOUN

predictable difference

Synonyms

WEAK

SD deviation normal deviation predictable error probable error range of error standard error

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

A better measure, Crill says, is the ratio of the 60/40 portfolio’s standard deviation to that of an all-stock portfolio.

From MarketWatch • Apr. 30, 2026

At estimated 2027 price-to-book of 0.95X, banking stock valuations appear undemanding, trading one standard deviation below its five-year mean price-to-book of 1.07X, he says.

From The Wall Street Journal • Mar. 3, 2026

"Our study proposed a simple yet objective method for determining hotspots using standard deviation values. This is the first time that this has been done."

From Science Daily • Apr. 10, 2024

New York provides a range of standard deviation, specifying a 68% probability that the GDP figure will fall between 1.07% and 3.99%.

From Los Angeles Times • Oct. 10, 2023

No other breed falls outside the standard deviation.

From "The Miscalculations of Lightning Girl" by Stacy McAnulty