Construct a confidence interval for the average rating

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Reference no: EM131372610

In a survey, Fortune rated companies on a 0 to 10 scale. A random sample of 10 firms and their scores is as follows.

FedEx 8.94, Walt Disney 8.76, CHS 8.67, McDonald's 7.82, CVS 6.80, Safeway 6.57, Starbucks 8.09, Sysco 7.42. Staples 6.45, HNI 7.29

Construct a 95% confidence interval for the average rating of a company on Fortune's entire list.

Reference no: EM131372610

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