Question: Use the control chart limits developed in Exercise 20.40 and the following sample results to evaluate whether the process is in control: Sample 1 2

Use the control chart limits developed in Exercise 20.40 and the following sample results to evaluate whether the process is in control:

Sample 1 2 3 4 5 6 Mean 2.95 2.97 3.03 3.11

Sample 1 2 3 4 5 6 Mean 2.95 2.97 3.03 3.11 2.35 3.19 thickness

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