On Effect of Time Varying Control Limits

by Muhammad Riaz and Saddam Akbar Abbasi.

Abstract: The concept of time varying limits with reference to EWMA charts is briefly introduced and a proposal of time varying limits for Khoo (2004) asymptotic limits is given. A comparison of the proposed limits is also made with that of Khoo (2004) asymptotic limits.

Key Words: Control Charts; Normality; EWMA Chart; Time Varying Limits; Outliers

Muhammad Riaz, riaz76qau@yahoo.com
Saddam Akbar Abbasi, , saddamabbasi@yahoo.com

Editor: Xie, M., XIE_MIN@NUS.EDU.SG

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