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Determine the ​3-sigma x​-chart control limits.   Upper Control Limit ​(UCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 3 Lower Control Limit ​(LCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 4 ​b) Now determine the ​2-sigma x​-chart control limits.   Upper Control Limit ​(UCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 5 Lower Control Limit ​(LCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 6 How do the control limits​ change?     A. The control limits are tighter for the ​3-sigma x​-chart than for the ​2-sigma x​-chart.   B. The control limits for the 2​-sigma x​-chart and for the ​3-sigma x​-chart are the same.   C. The control limits are tighter for the ​2-sigma x​-chart than for the ​3-sigma x​-chart.

Determine the ​3-sigma x​-chart control limits.   Upper Control Limit ​(UCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 3 Lower Control Limit ​(LCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 4 ​b) Now determine the ​2-sigma x​-chart control limits.   Upper Control Limit ​(UCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 5 Lower Control Limit ​(LCLx​)=enter your response here units ​(round your response to two decimal​ places). Part 6 How do the control limits​ change?     A. The control limits are tighter for the ​3-sigma x​-chart than for the ​2-sigma x​-chart.   B. The control limits for the 2​-sigma x​-chart and for the ​3-sigma x​-chart are the same.   C. The control limits are tighter for the ​2-sigma x​-chart than for the ​3-sigma x​-chart.

Practical Management Science
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
The overall average on a process you are attempting to monitor is
60.0
units. The process population standard deviation is
1.72.
Sample size is given to be
4.
Part 2
​a) Determine the ​3-sigma
x​-chart
control limits.
 
Upper Control Limit
​(UCLx​)=enter your response here
units ​(round your response to two decimal​ places).
Part 3
Lower Control Limit
​(LCLx​)=enter your response here
units ​(round your response to two decimal​ places).
Part 4
​b) Now determine the ​2-sigma
x​-chart
control limits.
 
Upper Control Limit
​(UCLx​)=enter your response here
units ​(round your response to two decimal​ places).
Part 5
Lower Control Limit
​(LCLx​)=enter your response here
units ​(round your response to two decimal​ places).
Part 6
How do the control limits​ change?
 
 
A.
The control limits are tighter for the ​3-sigma
x​-chart
than for the ​2-sigma
x​-chart.
 
B.
The control limits for the
2​-sigma
x​-chart
and for the ​3-sigma
x​-chart
are the same.
 
C.
The control limits are tighter for the ​2-sigma
x​-chart
than for the ​3-sigma
x​-chart.

 

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