What are the limitations of control statistical organisation?
Answers
tatistical process control (SPC) is the application of statistical methods to identify and control the special cause of variation in a process. Control charts, in theory, are used in product and process development to analyze processes. When a process is shown to be in control in both an average and range chart the process can be released for use in production. In practice, however, SPC is often introduced into a production environment where not all processes are in control and fully capable. This article will discuss how best to introduce SPC into such a production environment.
Answer:
The limitations of statistical quality control are:
It cannot be indiscriminately applied as a solution to all quallity evils.
Implementation of statistical quality control is a costly endeavour.
A false sense of security is created in absence of general awareness.