MR chart is a control chart used for process stability. It relies on continuous data. They only provide a single view ...

Key Points A multi-vari chart is a visual means of seeing multiple variations across a single data set. It is not a ...

When you are working with subgrouped data, it can be helpful to accompany a cusum chart for means with a Shewhart s chart for monitoring the variability of the process. This example creates this ...

The Pie Chart Method is one technique to help you consider the many non ... One technique to help you refrain from inflating the numbers is the Pie Chart Method. For example, let’s say you have ...