Communications for Statistical Applications and Methods

The Korean Statistical Society (한국통계학회)
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A Simple $\textit{d}_2$ Factor ($d_2^s$) for Control Charts

  • Lee, Jea-Young (Associate Professor, Department of Staistics, Yeungnam University) ;
  • Lee, Jae-Woo (Professional Servicer SAS Software korea Ltd.,)
  • Published : 1999.04.01
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Abstract

A new statistic {{{{ {d }`_{2 } ^{s } }}}} is introduced for constructing co ntrol limits. It is easier and more convienient than d2 We will show the characteristic of {{{{ {d }`_{2 } ^{s } }}}} and evaluate {{{{ {d }`_{2 } ^{s } }}}} through average run length(ARL).

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References

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  2. Introduction to statistical quality control Montgomery, D.C.
  3. Biometrika v.17 On the extreme individuals and the range of samples taken from a normal population Trippett, L.H.;Lond, B.SC.