Question: Consumer Reports uses a 1 0 0 - point customer satisfaction score to rate the nation's major chain stores. Assume that from past experience with
Consumer Reports uses a point customer satisfaction score to rate the nation's major chain stores. Assume that from past experience with the satisfaction rating score, a population standard deviation of is expected. Costco with its warehouses in states was the only chain store to earn an outstanding rating for overall quality. A sample of Costco customer satisfaction scores is contained in the Excel Online file below. Construct a spreadsheet to answer the following questions.
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