BS ISO 5725-4:2020,Accuracy (trueness and precision) of measurement methods and results — Part 4: Basic methods for the determination of the trueness of a standard measurement method.
BS ISO 5725-4:2020 applies when the measurement method has been standardized and all measurements are carried out according to that measurement method.
ISO 5725 uses two terms, trueness”and”precision, to describe the accuracy of a measurement method.”Trueness”refers to the closeness of agreement between the expectation of a measurement result and aue value. “Precision” refers to the closeness of agreement between independent measurement results obtained under stipulated conditions.
General consideration of these quantities is given in ISO 5725-1 and so is not repeated in this document.ISO 5725-1 should be read in conjunction with all other parts of ISO 5725, including this document.
The size of this document is 8.97M.

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