Sequential fixed-width confidence interval for the rth power of the exponential scale parameter: Two-stage and sequential sampling procedures

Abstract

In this paper, we study two-stage and sequential sampling procedures for estimating the rth power of the exponential scale parameter, i.e., βr, where the fixed-width confidence interval is considered. The exact operating characteristics of sequential procedures for fixed-width, (), confidence interval estimation is given. We show that the results of Zacks (2009), for two-stage and sequential procedures, can be deduced from our general results.