A means of clearly communicating quality expectations and performance. It consists of:
A criteria to be applied to an object or to a group,
A test of the object or of the group,
A decision: Yes or No - The object or the group did or did not meet the criterion.
A simple tool for problem solving that involves ranking all potential problem areas or sources of variation according to their contribution to cost or total variation. Typically, a few causes account for most of the cost or variation, so problem solving
A future-based strategy that improves quality and productivity by directing analysis and action towards correcting the process itself.
The process of moving from symptoms to causes (special of common) to actions that improve performance. Among the techniques that can be used are Pareto charts, cause-and-effects diagrams and statistical process control techniques.
The combination of people, equipment, materials, methods and environment that produce output - a given product or service. A process can involve any aspect of a business. A key tool for managing processes is statistical process control.
The location of the distribution of measured values of a particular process characteristic. Usually designated as an overall average (center line).
The extent to which the distribution of individual values of the process characteristic vary. Often shown as the process average +/- some number of Standard Deviations.
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