The control chart basics, including the 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 Xbar and R (Range) chart, and work an example of this important control chart.

0:00 Introduction
1:29 – The 2 Types of Variation
2:42 – How to distinguish between common and special cause variation (The Key Elements of a Control Chart)
3:44 –RATIONAL SUBGROUPING explained
5:29 – EQUATIONS for the control limits create an XBar and R Chart
6:53 – CONSTANTS needed to calculate the control limits for the XBar and R Chart
8:28 – EXAMPLE of an Xbar and R Chart

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