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5. Identify which Hypothesis Test is appropriate for each scenario and state the appropriate Hypotheses symbolically or in words: a To determine the relative effectiveness

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5. Identify which Hypothesis Test is appropriate for each scenario and state the appropriate Hypotheses symbolically or in words: a To determine the relative effectiveness of different study strategies for the SAT, suppose three groups of students are randomly selected: One group took the SAT without any prior studying; the second group took the SAT after studying on their own from a common study booklet available in the bookstore; and the third group took the SAT after completing a paid summer study session from a private test-prep company. i) Test: ii) Null Hypothesis: iii) Alternative Hypothesis: b) Suppose that Weight 1 is the weight (in pounds) of a sample of 45 individuals before beginning a weight-loss diet, and Weight 2 is the weight in (pounds) of the same 45 individuals after the diet. We would like to test the effectiveness of the diet. i) Test: ii) Null Hypothesis: iii) Alternative Hypothesis

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