Business, 04.05.2021 19:00, Queenempress9380
A quality analyst wants to construct a control chart for determining whether three machines, all producing the same product, are in control with regard to a particular quality variable. Accordingly, he sampled four units of output from each machine, with the following results.
Machine 1 Measirement 17 15 15 17
Machine 2 Measurement 16 25 18 25
Machine 3 Measurement 23 24 23 22
What are the Mean chart three-sigma upper and lower control limits?
a. 22 and 18
b. 23.16 and 16.84
c. 22.29 and 16.71
d. 23.5 and 16.5
e. 24 and 16
Answers: 1
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A quality analyst wants to construct a control chart for determining whether three machines, all pro...
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