This is an error that varies unpredictably in absolute value and sign when a large number of measurements of the same quantity are made under virtually identical conditions. It is not possible to take a chance error into account by applying a correction to the raw measurement result. It is only possible to fix an upper limit for such an error at the end of a series of measurements. A chance error is often called an accidental error or random error.
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A Buyer’s Guide to Calibration Management Software
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