Simultaneous testing for the successive differences of exponential location parameters under heteroscedasticity

Vishal Maurya, Anju Goyal and Amar Nath Gill

Statistics & Probability Letters, 2011, vol. 81, issue 10, 1507-1517

Abstract: In this paper, the design-oriented two-stage and data-analysis one-stage multiple comparison procedures for successive comparisons of exponential location parameters under heteroscedasticity are proposed. One-sided and two-sided simultaneous confidence intervals are also given. We also extend these simultaneous confidence intervals for successive differences to a larger class of contrasts of the location parameters. Upper limits of critical values are obtained using the recent techniques given in Lam [Lam, K., 1987. Subset selection of normal populations under heteroscedasticity. In: Proceedings of the Second International Advanced Seminar/Workshop on Inference Procedures Associated with Statistical Ranking and Selection, Sydney, Australia; Lam, K., 1988. An improved two-stage selection procedure. Communications in Statistics Simulation and Computation. 17 (3), 995-1006]. These approximate critical values are shown to have better results than the approximate critical values using the Bonferroni inequality developed in this paper. Finally, the application of the proposed procedures is illustrated with an example.

Keywords: Two-parameter; exponential; distribution; Two-stage; procedure; One-stage; procedure; Bonferroni; inequality; Heteroscedasticity (search for similar items in EconPapers)
Date: 2011
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Citations: View citations in EconPapers (6)

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