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6. Glossary
Accuracy
Closeness of agreement between a measured quantity value and a true quantity value of a measurand.
Analyte
In chemistry, synonymous with measurand.
Assigned value
Value attributed to a particular property of an entity undergoing proficiency testing.
Bias
Precision error.
Correction
Compensation for an estimated systematic effect.
Expanded uncertainty
Product of a compound standard uncertainty and a factor greater than one. It is denoted , and the factor used in the definition...
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Standards and norms
- Accuracy (trueness and precision) of results and measurement methods – Part 1: General principles and definitions - ISO 5725-1 - 2023
- Accuracy (trueness and precision) of results and measurement methods – Part 2: Basic method for determining the repeatability and reproducibility of a standard measurement method - ISO 5725-2 - 2019
- Accuracy (trueness and precision) of results and measurement methods –...
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