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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 margin for error 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
Warsaw's liberal Mayor Rafal Trzaskowski has claimed victory in Poland's presidential election but his winning margin in an exit poll is well within the margin of error.
“The velocity allows for that margin of error,” Prior said last week.
The margin of error may be imprecise; however, the survey’s estimated margin of error for Los Angeles County voters is 2 percentage points, and higher for subgroups.
The survey’s estimated margin of error is 2 percentage points, and larger for demographic subgroups.
The margin of error may be imprecise; however, the survey’s estimated margin of error for L.A.
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