A pizza company is having difficult with late deliveries. So management has kept track of when a
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Question:
A pizza company is having difficult with late deliveries. So management has kept track of when a late delivery was made as well as who the driver was in the chart below.
Time | Monday | Tuesday | Wednesday | Thursday | Friday |
4 –6 | AC | AAB | AABCCC | A | ABC |
6 - 8 | BCC | ABCC | ABCCC | BBCC | ABBBCCC |
8 - 10 | AC | BB | BBCCC | BCC | AABBCCC |
10 - 12 | BC | BBCC | ABBCCC | BC | BBC |
For example, an AC in the 4 –6 slot on Monday means driver A and driver C each hadone late delivery during that period.
a) Determine the upper and lower control limits.
b) Draw the control chart.
c) Do the data indicate a process is in control? Why or why not?
Related Book For
Smith and Roberson Business Law
ISBN: 978-0538473637
15th Edition
Authors: Richard A. Mann, Barry S. Roberts
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