The Ajax Taxi company in Manhattan, New York, wishes to set up an -chart and an R
Question:
a. Construct the R -chart for these 40 subgroups.
b. Construct the -chart for these 40 subgroups. Be sure to label the chart correctly.
c. Look at both control charts and determine if any of the control chart signals are present to indicate that the process is not in control. Explain the implications of what you have found for the Ajax Taxi Company.
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Related Book For
Business Statistics A Decision Making Approach
ISBN: 9780133021844
9th Edition
Authors: David F. Groebner, Patrick W. Shannon, Phillip C. Fry
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