A note on successive comparisons between several ordered variances

Parminder Singh

Communications in Statistics - Theory and Methods, 2016, vol. 45, issue 11, 3264-3273

Abstract: In this article, a procedure for comparisons between k (k ⩾ 3) successive populations with respect to the variance is proposed when it is reasonable to assume that variances satisfy simple ordering. Critical constants required for the implementation of the proposed procedure are computed numerically and selected values of the computed critical constants are tabulated. The proposed procedure for normal distribution is extended for making comparisons between successive exponential populations with respect to scale parameter. A comparison between the proposed procedure and its existing competitor procedures is carried out, using Monte Carlo simulation. Finally, a numerical example is given to illustrate the proposed procedure.

Date: 2016
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DOI: 10.1080/03610926.2014.901371

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