KP1998
22.10.2019 •
Mathematics
How does each of the following affect the power of a planned study? (a) a larger predicted difference between the means of the populations (b) a larger population standard deviation (c) a larger sample size (d) using a more extreme significance level (for example, 0.01 instead of 0.05) (e) using a two-tailed test instead of a one-tailed test
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Ответ:
Question 160644: Two cars leave town at the same time going in opposite directions. One travels 55 mph and the other travels 48 mph. In how many hours will they be 206 miles apart? T=2 HOURS THEY WILL BE 206 MILES APART
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