Temperature is used to measure the output of a production process. When the process is in control,

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Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is μ = 128.5 and the standard deviation is σ = .4.
a. Construct the chart for this process if samples of size 6 are to be used.
b. Is the process in control for a sample providing the following data?
128.8 128.2 129.1 128.7 128.4 129.2
c. Is the process in control for a sample providing the following data?
129.3 128.7 128.6 129.2 129.5 129.0
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Statistics For Business And Economics

ISBN: 9780538481649

11th Edition

Authors: David R. Anderson, Dennis J. Sweeney, Thomas A. Williams

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