Abstract #301638

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JSM 2002 Abstract #301638
Activity Number: 154
Type: Contributed
Date/Time: Monday, August 12, 2002 : 2:00 PM to 3:50 PM
Sponsor: Section on Quality & Productivity*
Abstract - #301638
Title: Designing Phase I Shewhart Charts for Variables
Author(s): Charles Champ*+
Affiliation(s): Georgia Southern University
Address: P.O. Box 8093, Statesboro, Georgia, 30460-8093, USA
Keywords: Bonferroni's inequality ; false alarm probabilities ; t-distribution ; studentized range ; F-distribution
Abstract:

A simple method is given for designing Phase I Shewhart charts for variables. The design method assumes m independent random samples each of size n have been taken periodically from the output of the process. The control limits for these charts will be determined using Bonferroni's inequality and either exact or approximate distributional results derived under the normal model. A simulation study is presented to assess the accuracy of the design procedure.

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Revised March 2002