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 average analyst price target on Bloomberg is about $408, with a 35% standard deviation, he added.

From Barron's • May 4, 2026

And yet the VIX finished Friday above 27, a level that is roughly one standard deviation above the index’s long-term average.

From MarketWatch • Mar. 14, 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

No other breed falls outside the standard deviation.

From "The Miscalculations of Lightning Girl" by Stacy McAnulty