The usefulness of weighted means statistics as a consensus mean estimator in collaborative studies is discussed. A random effects model designed to combine information from several sourcesis employed to justify their appeal to metrologists. Some methods of estimating the uncertainties and of constructing confidence intervals are reviewed.
Pub Type: Journals
Almost unbiased estimator, DerSimonian-Laird estimator, Fairweather procedure, Graybill-Deal estimator, heteroscedasticity, Mandel-Paule algorithm, maximum likelihood, meta-analysis, random effects model