Volume 19, Issue 4 (IJIE 2008)                   2008, 19(4): 55-61 | Back to browse issues page

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Nikoukar Zanjani M, Fatemi Ghomi S, Bahmani P. INTERVAL ESTIMATION PROCESS CAPABILITY INDEX. Journal title 2008; 19 (4) :55-61
URL: http://ijiepm.iust.ac.ir/article-1-245-en.html
INTERVAL ESTIMATION PROCESS CAPABILITY INDEX
M. Nikoukar Zanjani , S.M.T. Fatemi Ghomi * , P. Bahmani
, fatemi@aut.ac.ir
Abstract:   (9823 Views)
Several sampling distribution properties of the estimator for Cpk are presented under the assumption that the data are normal, independent and identically distributed. In this paper using these assumptions, the expectation, variance and skewness are calculated by statistical methods, since the sampling distribution is weakly skewed, it is concluded that a symmetric interval estimator for Cpk might be reasonable. Also a symmetric interval estimator has been developed
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Type of Study: Research |
Received: 2010/06/28 | Published: 2008/12/15
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