ISO 5725 and GUM: comparison and comments |
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| Authors: | Laura Deldossi Diego Zappa |
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| Institution: | (1) Department of Statistical Sciences, Catholic University, Largo Gemelli 1, Milan, 20123, Italy |
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| Abstract: | We compare the approach to measure uncertainties proposed in ISO 5725 and GUM from a statistician point of view. In particular
we give some warnings to the application of the expanded uncertainty introduced in GUM when the input variables are few and
we report some considerations on the relevant role of the interactions among the input variables in the measurement equation
as well as the role of statistical design of experiments to measure uncertainties.
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| Keywords: | Measurement equation Confidence intervals Design of experiments |
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