Journal Published Online: 10 February 2015
Volume 44, Issue 4

X-Bar Control Charts for Non-Normal Correlated Data Under Repetitive Sampling

CODEN: JTEVAB

Abstract

A control chart for non-normal correlated data under repetitive sampling is presented in this manuscript. A Burr distribution is employed to model the non-normal distribution. The proposed control chart is based on two sets of control limits whose coefficients are determined by considering the in-control average run length. The tables of the out-of-control average lengths for various shifts, sample size, and correlations are presented in the paper. The proposed control chart is found to be more efficient than the existing control chart based on single sampling in detection of small process shifts.

Author Information

Aslam, Muhammad
Department of Statistics, Faculty of Sciences, King Abdulaziz Univ., Jeddah, SA
Khan, Nasrullah
Department of Statistics, National College of Business Administration & Economics, Lahore, PK
Azam, Muhammad
Department of Statistics, Forman Christian College Univ., Lahore, PK
Pages: 12
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Stock #: JTE20140290
ISSN: 0090-3973
DOI: 10.1520/JTE20140290