Modified Double Sampling Control Chart for Monitoring The Coefficient of Variation

Rozi, Fachrur Rozi ORCID: https://orcid.org/0000-0002-6380-0297, Pasaribu, Udjianna Sekteria, Mukhaiyar, Utriweni and Irianto, Dradjad (2019) Modified Double Sampling Control Chart for Monitoring The Coefficient of Variation. Presented at Annual Conference on Industrial and System Engineering (ACISE) 2019, 23-24 Apr 2019, Semarang, Central Java, Indonesia.

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Abstract

Monitoring the coefficient of variation (CV) has received wide attention in
quality control, mainly used when the process mean and standard deviation are not constant. This
work proposes a modified Double Sampling (DS) chart for monitoring the CV, denoted DS-G chart, in order to improve the sensitivity of previous DS chart for monitoring the CV, denoted DS-γ chart. Some numerical results for statistical properties of the proposed chart and performance comparisons are provided in the form of tables. Based on the average number of observation to signal (ANOS) performance, the proposed DS-G chart outperforms the DS-γ chart.

Item Type:	Conference (Paper)
Subjects:	09 ENGINEERING > 0910 Manufacturing Engineering > 091008 Manufacturing Safety and Quality 01 MATHEMATICAL SCIENCES > 0104 Statistics 09 ENGINEERING > 0910 Manufacturing Engineering
Divisions:	Faculty of Mathematics and Sciences > Department of Mathematics
Depositing User:	Fachrur Rozi
Date Deposited:	30 Nov 2021 21:17

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