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Precision of measurement describes how exact, reliable and repeatable unit used to measure something.

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The measurement is 14 meters. The units are in meters.\"\" \

The measurement is precise to within 0.5 meter.

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So, a measurement of 14 meters could be between (14 – 0.5 = 13.5) 13 .5 meters and (14 + 0.5 = 14.5) 14 .5 meters. \"\" 

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The measurement is precise to within 0.5 meter.

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A measurement of 14 meters could be between 13 .5 and 14 .5 meters.

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