Regression control chart

{{short description|Quality control tool}}

In statistical quality control, the regression control chart allows for monitoring a change in a process where two or more variables are correlated. The change in a dependent variable can be detected and compensatory change in the independent variable can be recommended. Examples from the Post Office Department{{clarify|reason=which country?|date=December 2010}} provide an application of such models.Mandel, B.J (1969) [http://faculty.washington.edu/htamura/qm520/mandel.pdf "The Regression Control Chart"], Journal of Quality Technology, 1 (1), 1–9