Statistical Process Control

Statistical process control (SPC) includes the use of statistical techniques and tools, such as control charts, to monitor change in a process. These are typically applied separately to each process variable of interest. Statistical process control procedures help provide an answer to the question: “Is the process in control?” When an out-of-control event is identified as a signal in a control chart, procedures often are available for locating the specific process variables that are the cause of the problem.

• January 16, 2015

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