Question: 19. Refer to the previous exercise. a. Do you think the alternative hypothesis used by the researchers was onesided or two-sided? Explain. b. Do you

19. Refer to the previous exercise.

a. Do you think the alternative hypothesis used by the researchers was onesided or two-sided? Explain.

b. Do you think the researchers would be justified in specifying a one-sided alternative hypothesis in this situation? Explain why or why not.

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