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Show all work 4. Suppose we are testing the hypothesis Ho: M = 80 vs. H1:u # 80. If the standard deviation of the sampling

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4. Suppose we are testing the hypothesis Ho: M = 80 vs. H1:u # 80. If the standard deviation of the sampling distribution for the sample mean x is 7, which of the following values for x gives the most evidence against Ho: M = 80? (3 pts) a. x = 72 b. x = 82 C. X = 88 d. x = 92

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