This report presents an application of discriminant analysis in setting rules for early warning indicators of process upsets in wastewater treatment plant operation.

A discussion of Taguchi's method for analyzing ordered categorical data.

To survive in increasingly tough markets, top management in American companies will have to forsake their desire to "control" their employees, and instead learn what it means to provide Total Quality Leadership.

A process that consultants can use to improve their effectiveness.

Statistically designed experiments, particularly fractional factorial designs, are key tools to use when the object is to screen a large number of variables in order to identify those with the most influence.

This report is a compact summary of the most important points that Dr. W. Edwards Deming has been making about changes that must be made by American businesses if they are to be competitive.

A contour nomogram is given that helps in the design of cumulative sums charts for variance when the observations are normally distributed.

Using accumulation analysis on ordered categorical data can often result in the detection of spurious effects.

Inaccurate data points are particularly troublesome in the analysis of unreplicated factorial experiments, but new techniques allow investigators to overcome this difficulty.

American organizations could compete much better at home and abroad if they would learn to tap the potential information inherent in all processes and the creativity inherent in all employees.