The control chart basics.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 ...

A quality control chart is a graphic that depicts whether sampled products or processes are meeting their intended specifications.

Control charts usually present a graphic display of process stability and/or instability with time, from which the you can determine mean and standard deviation.

In this tutorial, we will explain how to make a Run Chart in Excel. Charts are important when users what to show their data in graphics to their users so that it is easy to understand.