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2. Measurement uncertainty as a decision-making criterion
Many analysis results are used to make decisions. We want to check whether two processes are equivalent, or whether one is better than the other. We may be interested in declaring the conformity of a product to a regulation, and this declaration will be based on one or more analytical results. In both cases, we examine how uncertainty plays a part in the decision-making process.
2.1 Comparison of two measurement results
There are many situations in which we have to compare two results. Are they different, or is the difference between the numerical values merely the result of chance, since both are attributable to the same quantity? Figure
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Measurement uncertainty as a decision-making criterion
Requirements of ISO/CEI 17025
Bibliography
References
Standardization
The catalog of the Association française de normalisation (Afnor) can be consulted online: http://www.afnor.fr
XP T90-210 12-99 Water quality – Protocol for evaluating an alternative method of quantitative physico-chemical analysis in relation to a reference method
FD V01-000 12-99 Analysis of agricultural...
Organizations
French national metrology and testing laboratory (LNE)
French Environment and Energy Management Agency (Ademe)
United Kingdom Accreditation Service (UKAS) (formerly National Measurement Accreditation...
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