An ad agency tracks the​ complaints, by week​ received, about the billboards in its​ city:                                                         Week No. of Complaints 1 3   2 6   3 4   4 12   5 2   6 9     This exercise contains only parts​ a, b, and c. Part 2 ​a) The type of control chart that is best to monitor this process is c minus chart ______   . Part 3 ​b) Using z​ = 3​, the control chart limits for this process are​ (assume that the historical complaints rate is​ unknown):   UCLc ​= ________ complaints per week ​(round your response to two decimal​ places). The upper control limit is: ________   The lower control limit is: _________   The central limit is ___________

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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7. 

An ad agency tracks the​ complaints, by week​ received, about the billboards in its​ city:
 
                                                     
Week
No. of Complaints
1
3
 
2
6
 
3
4
 
4
12
 
5
2
 
6
9
 
 
This exercise contains only parts​ a, b, and c.
Part 2
​a) The type of control chart that is best to monitor this process is
c minus chart ______
 
.
Part 3
​b) Using z​ =
3​,
the control chart limits for this process are​ (assume that the historical complaints rate is​ unknown):
 
UCLc
​= ________ complaints per week ​(round your response to two decimal​ places).

The upper control limit is: ________

 

The lower control limit is: _________

 

The central limit is ___________

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