Analyze this data using an appropriate control chart
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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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, for a total of 10 weeks, a sample of 100 residents is questioned on their feelings towards the project. Number of responndets who opposed (each week, respectively): 7, 20, 18, 12, 20, 20, 6, 19, 24, 24.Analyze this data using an appropriate control chart (three sigma control limits). Is the community sentiment stable?
a.
Unstable, 3 observations out of control
b.
Unstable, 1 observation out of control
c.
Unstable, 2 observations out of control
d.
Stable
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