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|Table of Contents Statistical Tests Control Charts Control Charts|
|See also: x-charts, p- and c-charts|
There are several possibilities to monitor, or control, a process by control charts. These charts were introduced in the late 1920s by Shewhart, and display simple measures of location and variation against time. In addition, a control chart also displays pre-defined limits which should not be exceeded by stable processes.
To be specific, there are four major types of control charts, which
are most often used in process control:
Last Update: 2005-Jul-16