A running-shoe manufacturer wants to test the effect of its new sprinting shoe on 100-meter dash times.
Question:
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 are running the 100-meter dash in the 2012 Summer Olympic games. To test the shoe, it has all 5 runners run the 100-meter dash with a competitor's 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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a First the manufacturers are using athletes who have a vested interest in the success of the ...View the full answer
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