Article Comments

Contributions from readers on our articles are very welcome. This form will let us retrieve the current data in the database and allows us to consider your comments.

An effective joint X-bar and R chart to monitor the process mean and variance
D.R. Prajapati, P.B. Mahapatra
International Journal of Productivity and Quality Management (IJPQM), 2007 Vol.2 No.4, pp.459 - 474
6 - 9 =

Thank you for your feedback.