Question: Set control limits for the X-bar and R-charts. b.) Is the process under control? c.) Estimate standard deviation d.) USL = 12.4 and LSL =

Set control limits for the X-bar and R-charts.

b.) Is the process under control?

c.) Estimate standard deviation

d.) USL = 12.4 and LSL = 6 when given. Find the likelihood that productions will go outside the Specification Limits.

e.) Determine the processing capability by calculating Cp and Cpk.

Use the following data to answer questions from A to E.

1

2

3

4

5

9.22

8.07

10.69

10.80

9.94

9.41

9.34

9.75

7.99

10.63

9.19

10.03

10.55

9.06

9.34

7.58

8.63

8.36

11.27

9.74

7.73

10.27

10.94

8.37

10.27

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