Question: Marsh Supermarket wants to know whether putting a color flyer in the local paper has a greater effect on sales than putting a black and

Marsh Supermarket wants to know whether putting a color flyer in the local paper has a greater effect on sales than putting a black and white flyer in the paper. For the last 10 times a color flyer was put in the paper, Marsh compared sales (in thousands of dollars) to the last week (at the same store) for which a black and white flyer was put in the paper. The file P10_64.XLS contains the data. Formulate reasonable hypotheses and test them. What do you conclude?

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