Data pooling and key comparison reference values

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DOIResolve DOI: http://doi.org/10.1088/0026-1394/39/3/4
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TypeArticle
Journal titleMetrologia
ISSN0026-1394
1681-7575
Volume39
Issue3
Pages269277; # of pages: 9
AbstractKey comparison data are often reported, as a matter of policy, with respect to a reference value calculated from the pool of the participants' results. Consideration of the comparison data sets, particularly with regard to the consequences and implications of such data pooling, can justify the choice of a simple statistical reference value. Recent key comparisons in thermometry are examined to illustrate the nature of the problem, and the utility of a simple approach to creating pooled data distributions. An objective criterion is introduced to help determine when a comparison can safely be described as a single population having a key comparison reference value (KCRV). Graphical techniques of data pooling are presented as an aid to harnessing expert opinion on this question.
Publication date
PublisherIOP Publishing
LanguageEnglish
AffiliationNational Research Council Canada; NRC Institute for National Measurement Standards
Peer reviewedYes
NRC numberNRC-INMS-4
NPARC number8899497
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Record identifier83ebaa89-7407-468a-931a-635b7f972a06
Record created2009-04-22
Record modified2017-08-18
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