Question: Target wants to know whether red or blue coats sell better. The sales of red and blue coats last winter were measured at several different

Target wants to know whether red or blue coats sell better. The sales of red and blue coats last winter were measured at several different stores. The file P10_63.XLS contains the results. What are reasonable null and alternative hypotheses to test? Use the data to test them. What can you conclude?

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