A note on confidence intervals for the power of t-test

Dennis Gilliland and Mingfei Li

Statistics & Probability Letters, 2008, vol. 78, issue 5, 488-489

Abstract: Tarasinska [2005. Confidence intervals for the power of student's t-test, Statist. Probab. Lett. 73, 125-130] proposes a minimum length method for determining confidence interval estimates for the power of the one-sided t-test at fixed alternative means. This note points out the lack of proof for the coverage probability and provides results to indicate that the nominal coverage probability is not achieved.

Keywords: t-test; Power; Confidence; intervals (search for similar items in EconPapers)
Date: 2008
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