Consider the following data taken on subgroups of size 5.

Chapter 17, Problem 17.2

(choose chapter or problem)

Consider the following data taken on subgroups of size 5. The data contain 20 averages and ranges on the diameter (in millimeters) of an important component part of an engine. Display \(\overline{X}-\) and R-charts. Does the process appear to be in control?

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