Journal
JOURNAL OF RESEARCH OF THE NATIONAL INSTITUTE OF STANDARDS AND TECHNOLOGY
Volume 105, Issue 4, Pages 551-555Publisher
US GOVERNMENT PRINTING OFFICE
DOI: 10.6028/jres.105.044
Keywords
comparisons; median; robust statistics; uncertainty; variance
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Mean values, traditionally used as a location parameter in the analysis of intercomparisons, are known to lack stability against the effect of outliers. It is therefore proposed to replace (or complement) them by the use of medians, which have better statistical robustness. An estimate for the corresponding uncertainty is derived and the procedure is illustrated by a numerical example. The simplicity of the suggested robust approach should favor its practical use in a number of metrological applications.
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