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27. We are interested in cost of living for students in a two-year vs. four-year college. We want to know if the two groups differ
27. We are interested in cost of living for students in a two-year vs. four-year college. We want to know if the two groups differ in the amount of money they spend each month in living expenses. Assuming a medium effect size (d = .50), if we want power set to .80, how many total subjects are needed? Set alpha to .01. (2 points)
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