A multivariate Bayesian control chart for monitoring process mean under the assumption that the vector of process observations follows a multivariate normal distribution is considered. Traditional ...

Regina Y. Liu, Control Charts for Multivariate Processes, Journal of the American Statistical Association, Vol. 90, No. 432 (Dec., 1995), pp. 1380-1387 ...

Example of a Quality Control Chart For example, Bob wants to know if his widget press is creating widgets that are up to standard. He decides to test the density of a random sampling of widgets to ...