Inference on Weibull Percentiles From Sudden Death Tests Using Maximum Likelihood

John I. McCool

Research output: Contribution to journalArticle

11 Scopus citations

Abstract

A sudden death test is a special case of a multiply censored life test wherein an equal number of randomly selected surviving items are removed from the test following the occurrence of each failure. Confidence limits for the Weibull-shape parameter and a Weibull percentile may be set with a sudden death sample, using the method of maximum likelihood. An expression is found for the medium ratio of theupper to lower 100 (1 — α) percent confidence limits for a Weibull percentile under either sudden death or conventional type-II censored testing. It is proposed that this ratio be used as a criterion for determining whether a given sudden death test is more precise than a given conventional test.

Original languageEnglish (US)
Pages (from-to)177-179
Number of pages3
JournalIEEE Transactions on Reliability
VolumeR-19
Issue number4
DOIs
StatePublished - Jan 1 1970

All Science Journal Classification (ASJC) codes

  • Safety, Risk, Reliability and Quality
  • Electrical and Electronic Engineering

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