8.1 Control charts The most common method of statistical process control is to take samples at regular intervals and to plot the sample mean on a control chart. Sample mean (1) (3)

The statistical details for constructing the scores of charts found in statistical process control methodology are beyond the scope of this Element, but tech-nical guides are signposted in Further …

1 in this series introduced the reader to Statistical Process Control, and Part 2 provided an overview of how and why SPC works. Part 3 began the step-by-step process of building the practical skills …

Statistical Process Control (SPC) charts offer users the chance to monitor the very heartbeat of their processes. By collecting data they can predict performance.

Part 9: Process Capability Analysis EM 9111 • May 2015 Scott Leavengood and James E. Reeb Our focus for the prior publications in this series has been on introducing you to Statistical Process …

The statistical process control as well as the analyses for the process capability investigation are carried out in the current series in most cases on the basis of ran-dom samples.

Sensitizing Rules for Control Charts Normally, a single point outside the control limits is considered to signal an out of control process. Under some circumstances, however, such as while working to …