ADDITIONAL REFERENCES
- Box , G. E. P. and Jenkins , G. M. 1970 . Time Series Analysis: Forecasting and Control San Francisco : Holden-Day. .
- Page , E. S. 1954 . “Continuous Inspection Schemes,” . Biometrica , 41 : 100 – 115 .
- Shewhart , W. A. 1931 . Economic Control of Quality of Manufactured Product New York : Van Nostrand. .
- Western Electric Company, Inc . 1956 . Statistical Quality Control Handbook Charlotte , NC : Delmar Printing. .