From Longman Dictionary of Contemporary Englishmargin of errormargin of errorWRONG/INCORRECTthe degree to which a calculation might or can be wrong The survey has a margin of error of 2.1%. → margin

Examples from the Corpus

margin of error• The poll has a margin of error of three percent.• The poll has a margin of error of 5 percentage points.• Obviously the figure is subject to a margin of error.• Over two years of use, for more than 4,000 tests, it has never strayed beyond the permitted margin of error.• Because of the difficulties associated with radiocarbon dating, each new date is given a statistical margin of error.• The margin of error is plus or minus one percent.