Suppose that you have been hired as a summer intern at a large amusement park. Every day,
Question:
a. Write a question that will allow you to develop a control chart of customers’ perceptions of cleanliness of the park.
b. Give examples of common cause variation and special cause variation for the control chart.
c. If the control chart is in control, what does that indicate and what do you do next?
d. If the control chart is out of control, what does this indicate and what do you do next?
e. Repeat (a) through (d), this time addressing the customers’ intent to return to the park.
f. After the initial 30 days, assuming that the charts indicate incontrol processes or that the root sources of special cause variation have been corrected, explain how the charts can be used on a daily basis to monitor and improve the quality in the park.
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Related Book For
Business Statistics A First Course
ISBN: 9780321979018
7th Edition
Authors: David M. Levine, Kathryn A. Szabat, David F. Stephan
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