An EWMA Control Chart for Monitoring the Mean of Skewed Populations Using Weighted Variance.

This paper discusses the use of weighted variance (wv) in setting up the limits of the exponentially weighted moving average (EWMA) chart for the monitoring of the mean of a process from a skewed population. This chart, called the WV-EWMA chart hereafter, reduces to the standard EWMA chart when...

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Bibliographic Details
Main Authors: Khoo, Michael B. C., Atta, Abdu M. A.
Format: Conference or Workshop Item
Language:en
Published: 2008
Subjects:
Online Access:http://eprints.usm.my/11395/1/An_EWMA_Control_Chart_For_Monitoring_The_Mean.pdf
http://eprints.usm.my/11395/
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