Estimating P(Y < X) using ranked set sampling in case of the exponential distribution

H. A. Muttlak, W. A. Abu-Dayyeh, M. F. Saleh, E. Al-Sawi

Research output: Contribution to journalArticlepeer-review

46 Scopus citations

Abstract

The problem of making statistical inference about θ=P(X > Y) has been under great investigation in the literature using simple random sampling (SRS) data. This problem arises naturally in the area of reliability for a system with strength X and stress Y. In this study, we will consider making statistical inference about θ using ranked set sampling (RSS) data. Several estimators are proposed to estimate θ using RSS. The properties of these estimators are investigated and compared with known estimators based on simple random sample (SRS) data. The proposed estimators based on RSS dominate those based on SRS. A motivated example using real data set is given to illustrate the computation of the newly suggested estimators.

Original languageEnglish
Pages (from-to)1855-1868
Number of pages14
JournalCommunications in Statistics - Theory and Methods
Volume39
Issue number10
DOIs
StatePublished - Jun 2010

Bibliographical note

Funding Information:
The authors would like to thank the referees for their valuable comments that improved the presentation of this article. This work was supported by King Fahd University of Petroleum and Minerals, Dhahra, Saudi Arabia under the internal project #IN 2006-330.

Keywords

  • Efficiency
  • Maximum likelihood estimator
  • Modified maximum likelihood estimator
  • Ranked set sampling
  • Simple random sampling

ASJC Scopus subject areas

  • Statistics and Probability

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