Question: A quality analyst wants to construct a control chart for det machines. all producing the same product, are under control with to particular quality variable.

A quality analyst wants to construct a control
A quality analyst wants to construct a control chart for det machines. all producing the same product, are under control with to particular quality variable. Accordingly, he sampled fourts of otrom machine, with the following results: Machine Measurements 15 25 15 16 18 17 25 22 24 23 What are the X-bar chart's upper and lower control limits? (A2-0.729 25.62 and 16.38 23.16 and 16.84 22.89 and 15.11 22.33 and 18.64

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