A sequential hypothesis testing procedure for the process capability index Cpk

Michele Scagliarini ()
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Michele Scagliarini: Università di Bologna

No 5, Quaderni di Dipartimento from Department of Statistics, University of Bologna

Abstract: In this study we propose a sequential procedure for hypothesis testing on the Cpk process capability index. We compare the properties of the sequential test with the performances of non-sequential tests by performing an extensive simulation study. The results indicate that the proposed sequential procedure makes it possible to save a large amount of sample size, which can be translated into reduced costs, time and resources.

Keywords: Average Sample Size; Brownian Motion; Maximal Allowable Sample Size; Power Function; Simulation Studies. Ampiezza Campionaria Media; Moto Browniano; Ampiezza Campionaria Massima Ammissibile; Funzione di Potenza; Studio di Simulazione. (search for similar items in EconPapers)
Pages: 29
Date: 2016
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