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Title: Progress And Problems With The Implementation Of The IS0 Guide On Uncertainty
Author: Keith Ekrhardt
Source: 1994 Measurement Science Conference
Year Published: 1994
Abstract: Standard statistical methods -- including confidence intervals, standard errors, and hypothesis tests built into statistical software -- are based on a relative-frequency interpretation of probability. Unfortunately, the theory behind this methodology can not directly address most problems of uncertainty analysis in metrology, because these often include systematic errors and/or Type B components of uncertainty. The ISO/CIPM approach to uncertainty analysis is an attempt to extend statistical methods by proposing a formula that is justified on the basis of analogy and examples, but which does not rest on a complete and self-consistent theory. At least that is its current status, in my opinion.

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