Graphical analysis for Birnbaum-Saunders distribution

Dong Shang Chang, Loon Ching Tang

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


The Birnbaum-Saunders distribution has been shown to be the failure time distribution for fatigue failure in particular and for stochastic wear-out failure in general. In this paper, we present a simple graphical technique, analogous to probability plotting, to estimate the parameters and check for goodness-of-fit of failure times following the Birnbaum-Saunders distribution. Using known results from regression analysis, confidence intervals for the parameters can easily be established. A salient feature of our method is that it can be used for censored data where no analytical method is available for estimation. Finally a numerical example is given to illustrate the procedure and to compare our results with that of the maximum likelihood estimation.

Original languageEnglish
Pages (from-to)17-22
Number of pages6
JournalMicroelectronics Reliability
Issue number1
StatePublished - Jan 1994


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