An ad agency tracks the complaints, by week received, about the billboards in its city: Week 1 2345 6 No. of Complaints 8 4 11 16 8 9 This exercise contains only parts a, b, and c. a) The type of control chart that is best to monitor this process is c-chart b) Using z = 3, the control chart limits for this process are (assume that the historical complaints rate is unknown): UCLC = 18.49 complaints per week (round your response to two decimal places). LCL = complaints per week (round your response to two decimal places and if your answer is negative, enter this value as 0).

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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An ad agency tracks the complaints, by week received, about the billboards in its city:
Week
1
2
3
4
6
No. of Complaints
8
4
11
16
8
9
This exercise contains only parts a, b, and c.
a) The type of control chart that is best to monitor this process is c- chart
b) Using z = 3, the control chart limits for this process are (assume that the historical complaints rate
is unknown):
=
UCLC
= 18.49 complaints per week (round your response to two decimal places).
LCLC
complaints per week (round your response to two decimal places and if your answer
is negative, enter this value as 0).
Transcribed Image Text:An ad agency tracks the complaints, by week received, about the billboards in its city: Week 1 2 3 4 6 No. of Complaints 8 4 11 16 8 9 This exercise contains only parts a, b, and c. a) The type of control chart that is best to monitor this process is c- chart b) Using z = 3, the control chart limits for this process are (assume that the historical complaints rate is unknown): = UCLC = 18.49 complaints per week (round your response to two decimal places). LCLC complaints per week (round your response to two decimal places and if your answer is negative, enter this value as 0).
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