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Revista Colombiana de Estadística
Print version ISSN 0120-1751
Abstract
SINDHU, TABASSUM NAZ; RIAZ, MUHAMMAD; ASLAM, MUHAMMAD and AHMED, ZAHEER. A Study of Cumulative Quantity Control Chart for a Mixture of RayleighModel under a Bayesian Framework. Rev.Colomb.Estad. [online]. 2016, vol.39, n.2, pp.185-205. ISSN 0120-1751. https://doi.org/10.15446/rce.v39n2.58915.
This study deals with the cumulative charting technique based on a simple and a mixture of Rayleigh models. The respective charting schemes are referred as the SRCQC-chart and the MRCQC-chart. These are stimulated from existing statistical control charts in this direction i.e. the cumulative quantity control (CQC) chart, based on exponential and Weibull models, and the cumulative count control (CCC) chart, based on the simple geometric model. Another motivation for this study is the mixture cumulative count control (MCCC) chart based on the two component geometric model. The use of mixture cumulative quantity is an attractive approach for process monitoring. The design structure of the proposed control chart is derived by using the cumulative distribution function of simple, and two components of mixture distribution(s). We observed that the proposed charting structure is efficient in detecting the changes in process parameters. The application of the proposed scheme is illustrated using a real dataset.
Keywords : Quality control; Inverse transformation method; Lossfunctions and bayes estimators; MRCQC-Chart; SRCQC-Char.