In Exercises 5–20, assume that the two samples are independent simple random samples selected from
6. Coke and Pepsi Data Set 26 “Cola Weights and Volumes” in Appendix B includes volumes of the contents of cans of regular Coke (n = 36,
a. Use a 0.05 significance level to test the claim that cans of regular Coke and regular Pepsi have the same
b. Construct the confidence interval appropriate for the hypothesis test in part (a).
c. What do you conclude? Does there appear to be a difference? Is there practical significance?

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