A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers: SAMPLE 1 2 3 4 4.5 4.6 4.5 4.7 4.2 4.5 4.6 4.6 4.2 4.4 4.4 4.8 4.3 4.7 4.4 4.5 4.3 4.3 4.6 4.9 Select a chart to monitor the central tendency of the process, what are the 3-sigma control limits using a mean chart? Keep 3 decimal places. Select one: a. LCL = 4.212, UCL = 4.788 b. LCL = 4.414, UCL = 4.586 c. LCL = 4.245, UCL = 4.755 d. None of the other options. e. LCL = 4.385, UCL = 4.615
A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers: SAMPLE 1 2 3 4 4.5 4.6 4.5 4.7 4.2 4.5 4.6 4.6 4.2 4.4 4.4 4.8 4.3 4.7 4.4 4.5 4.3 4.3 4.6 4.9 Select a chart to monitor the central tendency of the process, what are the 3-sigma control limits using a mean chart? Keep 3 decimal places. Select one: a. LCL = 4.212, UCL = 4.788 b. LCL = 4.414, UCL = 4.586 c. LCL = 4.245, UCL = 4.755 d. None of the other options. e. LCL = 4.385, UCL = 4.615
Practical Management Science
6th Edition
ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
Section: Chapter Questions
Problem 20P: Julie James is opening a lemonade stand. She believes the fixed cost per week of running the stand...
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Question
8.
A teller at a drive-up window at a bank had the following service times (in minutes) for 20 randomly selected customers:
|
SAMPLE |
|||
|
1 |
2 |
3 |
4 |
|
4.5 |
4.6 |
4.5 |
4.7 |
|
4.2 |
4.5 |
4.6 |
4.6 |
|
4.2 |
4.4 |
4.4 |
4.8 |
|
4.3 |
4.7 |
4.4 |
4.5 |
|
4.3 |
4.3 |
4.6 |
4.9 |
Select one:
a.
LCL = 4.212, UCL = 4.788
b.
LCL = 4.414, UCL = 4.586
c.
LCL = 4.245, UCL = 4.755
d.
None of the other options.
e.
LCL = 4.385, UCL = 4.615
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