Statistical Process Control (SPC), which is based on statistical theory, helps to monitor the performance of a process. SPC techniques were first introduced by Shewhart  in the 1930's. They are used to identify, control and eliminate variation in the process. To control and reduce variation, one should understand it's sources.
Date of creation, presentation, or exhibit
Department, Program, or Center
Holmes, Donald and Mergen, A. Erhan, "Modeling in statistical process control" (2001). Accessed from
RIT – Main Campus