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margin of error
[ mahr-jin uhv er-er ]
noun
- Statistics. a deviation above or below a given statistic encompassing the range within which the true value is most likely to fall, equal to one-half the span of the confidence interval:
The poll of likely voters has a margin of error of plus or minus 3.5 percentage points.
- Also mar·gin for er·ror. an amount of extra space, time, resources, etc., allowed to account for mistakes, miscalculations, or altered circumstances:
The margin of error in the restaurant business is usually razor thin.
There’s no margin for error with this new deadline, because you’re handing in final papers the day before grades are due.
Word History and Origins
Origin of margin of error1
Example Sentences
The margin of error is about 2 percentage points.
The opinion polls had Kamala Harris and Donald Trump essentially tied for months with the margin of error showing that either side could have had a blowout.
Ahead of the results, media outlets such as the New York Times warned that despite the close race in the polls, it could end up looking like a landslide for either candidate, given the margin of error.
The Cook Political Report has rated the contest a toss-up for weeks, with recent polls showing razor-thin leads for both candidates that fall within the roughly 3% margin of error.
It remains within the margin of error for being a top issue.
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