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Why and How to Use Control Charts

Watch this video:  (Note that you don't need to know how to manually create a control chart if you have software that can do it for you.  But understanding where control limits come from is helpful)

CONTROL CHART BASICS and the X-BAR AND R CHART +++++ EXAMPLE

Then, answer a couple of questions by clicking the button below.

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Question 1 of 2

What is the benefit of using a Control Chart?

Question 2 of 2

What does a data point falling outside of the control limits tell us?  

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