 | Joseph Sherma, Jack F. Thompson - Pesticide residues in food - 1976 - 300 pages
...terms of the deviation of a set of experimental results from the arithmetic mean (average) of the set. Accuracy is the nearness of a result or the mean of...value. Accuracy is usually expressed in terms of error. Good precision often is an indication of good accuracy, but one can obtain good precision with poor... | |
 | Us Dept Energy - Technology & Engineering - 1992 - 536 pages
...(ESH) DA October 12, 1990 BT1 Measurements RT Calibration RT Inspections SO Quality Assurance DEF (ESH) The nearness of a result or the mean of a set of results to the true value. Accuracy is assessed by means of reference sample and percent recoveries. ACETYLCHOUNE (EPA) DA October 12, 1990... | |
 | Neil T. Crosby, Elizabeth Prichard - Science - 1995 - 344 pages
...accuracy calibration control charts error random error systematic error (bias) external audit Closeness of a result or the mean of a set of results to the true or accepted value. A set of operations which establish, under specified conditions, the relationship... | |
 | Ralph Levinson - Education - 2001 - 196 pages
...capable of measuring lead in concentrations of 5 ppb (0.005 mg dm" ). Accuracy This is the closeness of a result, or the mean of a set of results, to the true or accepted value. The true value can never be known exactly therefore the accuracy of a result cannot... | |
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Accuracy is the nearness of a result or the mean of a set of results to the true value. Accuracy is usually expressed in terms of error, bias, or percentage recovery. 