Conference proceedings

STATISTICS IN METROLOGY: INTERNATIONAL KEY COMPARISONS 
AND INTERLABORATORY STUDIES 
1
Azerbaijan State Oil and Industry University, Azerbaijan 
E-mail: 
[e-mail]
 
Abstract:
Stochastic modeling and analysis of international key 
comparisons (interlaboratory comparisons) pose several fundamental questions for statistical methodology. A key comparison (KC) is 
specifically designed to derive the key comparison reference value and to assess conformance of calibrations by participating national 
metrology laboratories at a few, “key”, settings for a particular measurement process. An approach to the statistical study of key 
comparisons data is proposed using a model taken from meta-analysis. This model leads to a class of weighted means estimators for 
the consensus value and to a method of assessing the uncertainty of the resulting estimates.