Proficiency test data interpretation and data rejection

摘要

An extension to the interpretation, evaluation and visualisation of radioactivity proficiency test exercises (PTEs) are presented in this paper. In addition to the use of the ζ- and z-tests, a test for acceptance of relative uncertainties is introduced, the R-test, along with an overall performance score and additional data visualisation using modified Naji- and Pom-plots. Additionally, ‘improbable deviations’are identified using a simple test. Other outliers may be identified in the remaining data using Peirce's Criterion.

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