Abstract #300616

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JSM 2002 Abstract #300616
Activity Number: 246
Type: Topic Contributed
Date/Time: Tuesday, August 13, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Physical & Engineering Sciences*
Abstract - #300616
Title: A Generalized Confidence Interval for a Consensus Mean with Applications to Interlaboratory Studies
Author(s): C. Wang*+ and H. Iyer and Thomas Mathew
Affiliation(s): National Institute of Standards & Technology and Colorado State University and University of Maryland, Baltimore County
Address: 325 Broadway, Boulder, Colorado, 80305, USA
Keywords: Generalized pivotal quantity ; random effects model
Abstract:

We consider a one-way random effect model with unequal sample sizes and heterogeneous variances. Using the method of Generalized Confidence Intervals, we develop a new confidence interval procedure for the mean. The procedure is applicable to small samples. Statistical simulation is used to demonstrate that the procedure maintains coverage probabilities close to the nominal value.

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