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

question 130

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 an appropriate control chart with a 5% risk of Type I error.Is the community sentiment stable?
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Definitions:

Long-Term Liabilities

Obligations of a company that are due more than one year in the future, including bonds payable, long-term leases, and pension obligations.

Current Liabilities

Obligations or debts that a company is required to settle within one fiscal year or within its operating cycle.

Social Security

A government program that provides financial assistance to people with inadequate or no income, primarily the elderly, disabled, and survivors of deceased workers.

Medicare

A federal health insurance program in the United States for people aged 65 and older, and for some younger people with disabilities.