Mathematics, 07.08.2019 02:10 ellenaschool
Bjork larsen was trying to decide whether to use a new racing wax for cross-country 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.
Answers: 1
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Aresearch study is done to find the average age of all u.s. factory workers. the researchers asked every factory worker in ohio what their birth year is. this research is an example of a census survey convenience sample simple random sample
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Bjork larsen was trying to decide whether to use a new racing wax for cross-country skis. he decided...
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