A towns department of public works is concerned about


A towns 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 the data using an appropriate control chart with a 5% alpha risk

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Operation Management: A towns department of public works is concerned about
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