Used to define the margin of error of an estimate or calculation: the coral was estimated to be 840 years old, plus or minus 40 years
More example sentences
- It had a margin of error of plus or minus 4.7 percentage points.
- The survey has a margin of error of plus or minus 3.8 percentage points.
- Since the poll's error margin is plus or minus 4 percentage points, the race is virtually tied.
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