Shoes A running-shoe manufacturer wants to test the effect of its new sprinting shoe on

Chapter 12, Problem 29

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Shoes A running-shoe manufacturer wants to test the effect of its new sprinting shoe on 100-meter dash times. The company sponsors 5 athletes who will try out for the 100-meter dash in the 2016 Summer Olympic games. To test the shoe, it has all 5 runners run the 100-meter dash with a competitors shoe and then again with their new shoe. The company uses the difference in times as the response variable. a) Suggest some improvements to the design. b) Why might the shoe manufacturer not be able to generalize the results they find to all runners?

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