Commissioner of public works

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Reference no: EM1385520

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 2 3 4 5 6 7 8
Number Opposed 10 8 12 6 4 14 8 10

Reference no: EM1385520

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