Journal of The Japanese Society for Quality Control
Online ISSN : 2432-1044
Print ISSN : 0386-8230
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Volume 8, Issue 2
Displaying 1-8 of 8 articles from this issue
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Article
Tutorial
Contributed Paper
  • On Simplified Estimation and Test for Mean Life of thte Weibull
    Hajime MAKABE
    Article type: Contributed Paper
    1978Volume 8Issue 2 Pages 25-30
    Published: April 15, 1978
    Released on J-STAGE: March 12, 2019
    DOIhttps://doi.org/10.20684/quality.8.2_25
    JOURNAL RESTRICTED ACCESS
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    Recently, the Weilbull type is assumed for life distribution, and techniques for estimation and test of mean life for the Weibull were developed. But, simple methods are available only under the assumption that shape parameter m is known. In this paper, it is shown that sample mean is useful estimator after some approximate evaluations of the variance and hence it is also practical for test of the mean life. It is worth while to note that sample mean is obtained without information of m.
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