Question: =+44. Designated hitter 2012, part 2. Do the data in Exercise 42 suggest that the American Leagues designated hitter rule may lead to more runs

=+44. Designated hitter 2012, part 2. Do the data in Exercise 42 suggest that the American League’s designated hitter rule may lead to more runs per game scored?

a) Write the null and alternative hypotheses.

b) Find a 95% confidence interval for the difference in mean runs per game, and interpret your interval.

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