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A Note on Average Run Lengths of Moving Average Control Charts
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Lingyun Zhang
Published/Copyright:
March 10, 2010
Abstract
Using a counter example, we show that the formula for computing the Average Run Lengths (ARL) of a moving average control chart (MA) in Wetherill and Brown (1991) is incorrect. However, we conjecture that the formula may provide an upper bound for the ARL of a moving average control chart.
Key Words:: Moving Average Control Chart; ARL
Published Online: 2010-03-10
Published in Print: 2004-April
© Heldermann Verlag
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Articles in the same Issue
- Economic Design of A Dynamic CCC – r Chart for High-Yield Processes
- A Note on Average Run Lengths of Moving Average Control Charts
- A Group Runs Control Chart for Detecting Shifts in the Process Mean
- A Capability Index Calibrated to the Nonconformance Probability
- Stochastic Methods for Production Processes
- Parametric Bivariate Regression Analysis Based on Censored Samples: A Weibull Model
- A Note on Savings in Experimental Time Under Type II Censoring
- Expected Time for Attainment Threshold Level A Shock Model Approach
- Maintenance Models for a Repairable System
- Minimum Average Fraction Inspected for Combined Continuous Lot by Lot Acceptance Sampling Plan
- Minimum Risk Acceptance Sampling Plans: A Review
- Improving Resistivity of Resin
