Question: More ski wax From Chapter 14, Exercise 58, Bjork Larsen was trying to decide whether to use a new racing wax for crosscountry skis. He

More ski wax From Chapter 14, Exercise 58, Bjork Larsen was trying to decide whether to use a new racing wax for crosscountry skis. He decided that the wax would be worth the price if he could average less than 55 seconds on a course he knew well, so he planned to study the wax by racing on the course 8 times. His 8 race times were 56.3, 65.9, 50.5, 52.4, 46.5, 57.8, 52.2, and 43.2 seconds. Should he buy the wax? Explain by performing an appropriate hypothesis test.

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