JSM 2004 Online Program

Abstract #300711

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Activity Number:	189
Type:	Contributed
Date/Time:	Tuesday, August 10, 2004 : 8:30 AM to 10:20 AM
Sponsor:	Section on Physical and Engineering Sciences
Abstract - #300711
Title:	Sample Size Determination in Comparing Mechanical Reliabilities Based on Weibull Model
Author(s):	Mark C.K. Yang*+
Companies:	University of Florida
Address:	Dept. of Statistics, Gainesville, FL, 32611,
Keywords:	Weibull modules ; probability of failure ; confidence interval ; sample size
Abstract:	The main purpose of this paper is to determine the sample size required to test whether new materials have reach a given reliability requirement under a specific stress level. Weibull model is assumed for the data variation. Since sample size determination relies on the method of data analysis, the best method to make conclusions from data is also surveyed. One sample and two sample data are considered. Although the results are obtained from simulation, the estimators are constructed so that they are almost independent of the parameters in a Weibull distribution.

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