Maurice Tutor

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    Argosy University/ Phoniex University/
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    Phoniex University
    Oct-2001 - Nov-2016

Category > Management Posted 06 Apr 2018 My Price 6.00

Wemming Chung’s plant

Problem 1:

Auto pistons at Wemming Chung’s plant in Shanghai are produced in a forging process, and the diameter is a critical factor that must

be controlled. From sample sizes of 10 pistons produced each day, the mean and the range of this diameter have been as follows:

Day Mean (mm) Range (mm)
1 156.9 4.2
2 153.2 4.6
3 153.6 4.1
4 155.5 5.0
5 156.6 4.5

a)   What are the UCL x (line on top of x, counldn't find the button to do it) and LCL x (line on top of x) , using 3s? Plot the data.

b) What are the UCL R and LCL R , using 3s? Plot the data.

c)   Is the Process in Control?

(Please screen shot the EXCEl if its in excel)

Answers

Maurice Tutor
(5)
Status NEW Posted 06 Apr 2018 03:04 PM My Price 6.00

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