RES 341 Week 5 Discussion Questions

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Week 5

What is a control chart?

What are the grand mean, the UCL, and the LCL of
a control chart for the mean? 
 

 

Why do you suppose ±3 standard errors are used
in control charts and not two or even one standard error? Explain.

    • 11 years ago
    RES 341 Week 5 Discussion Questions
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