Mathematics, 18.03.2022 17:30, aliciavocals6944

When random sample of 10 cars of a new model was tested for gas mileage, the results showed a mean of 27.2 miles per gallon with a standard deviation of 1.8 miles per gallon. What is a 95% confidence interval estimate for the mean gas mileage achieved by this model?

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When random sample of 10 cars of a new model was tested for gas mileage, the results showed a mean o...