The number of influenza patients (in thousands) visiting hospitals weekly is shown in the following table. Suppose
Question:
(a) Design a CUSUM scheme for the process. Does the process appear to be in control at the target?
(b) How many samples on average would be required to detect a shift of the mean to 165?
Transcribed Image Text:
Number of Sample Number of Patients Sample Patients 162.27 1 13 159.989 157.47 14 159.09 3 157.065 15 162.699 160.45 16 163.89 157.993 17 164.247 6. 162.27 18 162.7 164.859 160.652 19 8. 159.09 20 163.65 157.442 21 165.99 10 160.78 22 163.22 11 159.138 23 164.338 12 161.08 24 164.83
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a The process is not in control The control chart follows b The s...View the full answer
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Related Book For
Applied Statistics And Probability For Engineers
ISBN: 9781118539712
6th Edition
Authors: Douglas C. Montgomery, George C. Runger
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