Affiliations: [a] Department of Mathematics and Humanities, R.V.R & J.C College of Engineering, Chowdavaram, Andhra Pradesh, India | [b] Department of Statistics, The University of Dodoma, Dodoma, Tanzania
Correspondence:
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Corresponding author: B. Srinivasa Rao, Department of Mathematics and Humanities, R.V.R & J.C College of Engineering, Chowdavaram, Guntur 522 019, Andhra Pradesh, India. E-mail:boyapatisrinu@yahoo.com
Abstract: In this paper, we considered a two-stage group acceptance sampling
plan based on life tests where the lifetime follows half logistic distribution. The decision on
acceptance of lot can be made in the first or second stage according to the number of failures from each
group. The design parameters of the proposed plan such as number of groups
required and the acceptance number for each of two stages are determined so as
to satisfy the consumer's risk at the specified unreliability when group size and
test duration are specified. Single-stage group sampling plans are also
considered as special cases of the proposed plan and compared with the
proposed plan in terms of the average sample number and the operating
characteristics. The results are explained with examples.
Keywords: Half logistic distribution (HLD), average sample number (ASN), consumer's risk, producer's risk, operating characteristic (OC), unreliability
