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

A control chart consists of several parts. It has two control limits and an average line. The bottom dashed line is called ...

2 types of variation and how we distinguish between common and special cause variation, along with how to create a rational subgroup. We also cover the equations and constants for the X-bar and R ...

Follow the steps to make a Run Chart in Microsoft Excel: Run charts are used to monitor the performance of the process over time with a focus on process improvement; it displays the measurement of the ...

Control charts have been widely used for monitoring production processes and identifying assignable causes of variability. Many papers investigate the application of control charts in different ...