Enhancing R control chart performance in monitoring process dispersion using scaled weighted variance method for skewed populations

This study improves the performance of R control chart for monitoring process dispersion of skewed populations using scaled weighted variance method. This control chart, called Scaled Weighted Variance R control chart (SWV-R) hereafter, the SWV-R control chart compared with Skewness Correction R ch...

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Bibliographic Details
Main Authors: Atta, Abd, Shoraim, Majed, Syed Yahaya, Sharipah Soaad, Abuzaid, Ali, Mahdi, Esam
Format: Article
Language:English
Published: Medwell Publishing 2020
Subjects:
Online Access:https://repo.uum.edu.my/id/eprint/27546/1/JEAS%2015%206%202020%201508-1514.pdf