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Abstract
In the current study, a variable acceptance sampling plan is proposed based on hybrid exponentially weighted moving averages (HEWMA). The proposed acceptance sampling plan is discussed for two cases when the standard deviation is (i) known (ii) unknown. For both of the cases, the plan parameters are determined for the various values of the producer’s risk and consumer’s risk. The efficiency of the proposed plan over the exponentially weighted moving averages based plan is discussed for the various values of smoothing constant in terms of sample size. We provide the tables having various values of sample size assuming normality. An illustrative example is provided to elaborate on the implementations of the proposed plan.
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Acknowledgements
The authors are thankful to the reviewers for valuable comments that significantly improved the earlier version of the article.