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.

Their final result brought theoretical predictions and experimental measurements into agreement within less than half a standard deviation.

From Science Daily • May 19, 2026

The standard deviation of targets for the other Magnificent Seven stock ranges from 10% to 16%.

From Barron's • May 4, 2026

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

Others criticized Cliffwater’s marketing, especially when it boasted of hedge-fund-like returns with minimal risks, citing industry metrics like Sharpe ratios and standard deviation.

From The Wall Street Journal • Apr. 1, 2026

No other breed falls outside the standard deviation.

From "The Miscalculations of Lightning Girl" by Stacy McAnulty