A Town's Department of Public Works Is Concerned About Adverse

Essay

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 control charts that would provide for a 5% risk of Type I error.