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http://dx.doi.org/10.5351/CKSS.2010.17.3.319

An Improved Group Sampling Plan Based on Time-Truncated Life Tests  

Aslam, Muhammad (Department of Statistics, Forman Christian College University Lahore)
Pervaiz, Muhammad Khalid (Department of Statistics, GC University)
Jun, Chi-Hyuck (Department of Industrial and Management Engineering, POSTECH)
Publication Information
Communications for Statistical Applications and Methods / v.17, no.3, 2010 , pp. 319-326 More about this Journal
Abstract
In this paper, a new group sampling plan for the lot acceptance is proposed for the time truncated life test, which can be utilized when multi-item testers are implemented. The design parameters are found using the two-point approach such that the producer's and consumer's risks are satisfied simultaneously at the acceptable reliability level and the lot tolerance reliability level, respectively. The case of Weibull distribution is described to illustrate the procedure that can be used when the quality level is expressed by a multiple of the specified life. The advantage of the proposed plan is demonstrated by comparing with the existing plan in terms of the sample size required. The tables are constructed and some examples are given to illustrate the procedure developed here.
Keywords
Acceptance sampling; producer's risk; consumer's risk; Weibull distribution;
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