Exact two-sided Lieberman-Resnikoff sampling plans |
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| Authors: | M Bruhn-Suhr W Krumbholz |
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| Institution: | 1. Fernstudienzentrum, Universit?t Hamburg, Averhoffstr.38, D 2000, Hamburg 76
2. Institut für Statistik und Quantitative ?konomik, Universit?t der Bundeswehr Hamburg, Holstenhofweg 85, D 2000, Hamburg 70
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| Abstract: | We deal sith sampling by variables with two-way-protection in the case of aN(μσ2) distributed characteristic with unknown σ2. For the sampling plan by Lieberman and Resnikoff (1955), which is based on the MVU estimator of the percent defective, we prove a formula for the OC. If the sampling parametersp 1 (AQL),p 2 (LQ) and α, β (type I, II errors) are given, we are able to compute the true type I and II errors of the usual (one-sided) approximation plans. Furthermore it is possible to compute exact two-sided Lieberman-Resnikoff sampling plans. |
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