Control charts have two general uses in an improvement project. Undeniably, the most common application is as a tool to ...

Key Points Process capability analysis is measuring the parts of your process that are in your control. It can be a long-term ...

SAS/QC software provides three procedures for the creation and analysis of control charts. The SHEWHART procedure creates all commonly encountered Shewhart charts for variables and attributes. The ...

This article studies four T charts for sampling inspection: (1) a Shewhart T chart; (2) a CUSUM T chart and its variable sample size version; (3) a SA T chart (the T chart using sequential analysis); ...