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

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5. Temperature is used to measure the output of a production process. When the process is in control, the mean of the process is u=128.5 and the standard deviation is = .4.

a. Construct an x chart 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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Essentials Of Modern Business Statistics

ISBN: 9780324312843

3rd Edition

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

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