Solve the below problem:
Q: A marker manufacturer wants to determine process control charts for a machine that cuts the plastic for marker height. The following table shows the first 8 samples of 6 markers of the production of the marker. (i.e., z = 3).
What are the upper and lower control limits for the X chart?
What are the upper and lower control limits for the R chart?
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Sample
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1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
|
X‾
|
|
10.00
|
9.98
|
9.97
|
10.01
|
10.00
|
10.00
|
10.02
|
9.97
|
|
Range
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|
.01
|
.01
|
03
|
.02
|
.04
|
.02
|
.03
|
.04
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