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precision

   Also found in: Dictionary/thesaurus, Legal, Acronyms, Encyclopedia, Wikipedia 0.01 sec.
precision [pre-sizh´un]
1. the quality of being sharply or exactly defined.
2. in statistics, the extent to which a measurement procedure gives the same results each time it is repeated under identical conditions.

precision
the quality of being sharply defined by virtue of exact detail, an important criteria of a diagnostic test. A precise test is free from random error. Precision is a requirement of accuracy.

precision
Lab medicine A measure of test or assay reproducibility–ie, capability of producing the same results when performed on the same specimen under the same conditions; data with high precision has a low standard deviation and a low coefficient of variation. Cf Accuracy.


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