A town's department of public works is concerned about adverse public reaction to a sewer project that is currently in progress. Because of this, the Commissioner of Public Works has authorized a weekly survey to be conducted of town residents. Each week, a sample of 100 residents is questioned on their feelings towards the project. The results to date are shown below. Analyze this data using an appropriate control chart with a 5% risk of Type I error. Is the community sentiment stable? Week 2 Number Opposed 10 8 2 6 5 4 14 7 8 10

Practical Management Science
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ISBN:9781337406659
Author:WINSTON, Wayne L.
Publisher:WINSTON, Wayne L.
Chapter2: Introduction To Spreadsheet Modeling
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A town's department of public works is concerned about adverse public reaction to a
sewer project that is currently in progress. Because of this, the Commissioner of Public
Works has authorized a weekly survey to be conducted of town residents. Each week, a
sample of 100 residents is questioned on their feelings towards the project. The results
to date are shown below. Analyze this data using an appropriate control chart with a 5%
risk of Type I error. Is the community sentiment stable?
Week
1
Number Opposed 10
2
28
3
8 12
4
46
5 6
4
14
78
3100
8
Transcribed Image Text:A town's department of public works is concerned about adverse public reaction to a sewer project that is currently in progress. Because of this, the Commissioner of Public Works has authorized a weekly survey to be conducted of town residents. Each week, a sample of 100 residents is questioned on their feelings towards the project. The results to date are shown below. Analyze this data using an appropriate control chart with a 5% risk of Type I error. Is the community sentiment stable? Week 1 Number Opposed 10 2 28 3 8 12 4 46 5 6 4 14 78 3100 8
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