A Two Stage Group Sampling Plans based on truncated life tests for Type-II Generalized Log-Logistic distribution

S.V.S.V.S.V. Prasad¹ , K. Rosaiah² , G. Srinivasa Rao³

Section:Research Paper, Product Type: Isroset-Journal
Vol.5 , Issue.6 , pp.228-243, Dec-2018

CrossRef-DOI:   https://doi.org/10.26438/ijsrmss/v5i6.228243

Online published on Dec 31, 2018

Copyright © S.V.S.V.S.V. Prasad, K. Rosaiah, G. Srinivasa Rao . This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
 

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Abstract :
This paper will illustrate the development of a two-stage group sampling plan based on the truncated life tests for the life time of the products follows type-II generalized log-logistic distribution (TGLLD). The decision to be made regarding the acceptance of lot is depends on the observed number of failures from each group either in first or second stage of sampling. At an accepted level of consumer’s risk and at a predefined test termination time, the design parameters like number of groups required and the acceptance number for each group at two stages are derived for the underlying lifetime distribution. Single stage group sampling plans are also considered as special cases of the proposed plan and both plans are compared with each other with respect to the values of average sample number and the operating characteristics

Key-Words / Index Term :
Type-II generalized log-logistic distribution, average sample number, consumer’s risk, producer’s risk, operating characteristics

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