Accuracy 02
Accuracy 02 : General. (a) The extent to which results of a calculation or the readings of an instrument approach the true values of the calculated or measured quantities, and are free from error. [AIHA, 2000: Risk Assessment Principles for the Industrial Hygienist]; (b) The degree to which a measurement, or an estimate based on measurements, represents the true value of the attribute that is being measured. [Last, 1983: A Dictionary of Epidemiology]; (c) The degree of agreement between a measured value and the true value; usually expressed as +/_ percent of full scale. [SRA, 1999: Glossary of Risk Analysis Terms][USDOE, 2000: RAIS Glossary]; (d) The measure of the correctness of data, as given by the difference between the measured value and the true or standard value. [USEPA, 1992: GL for Exposure Assessment][USEPA, 1997b: Exposure Factors Handbook] [Cf. Precision]
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