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Problem 2 (10 points). Suppose Xi ~ Gamma(a, B). To see what gamma distribution is please refer to page 195 of your textbook. What roles

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Problem 2 (10 points). Suppose Xi ~ Gamma(a, B). To see what gamma distribution is please refer to page 195 of your textbook. What roles do these 2 parameters play? How do they change the shape of distribution? Explain how you estimate 0 = (a, ) by method of moments (MOM). (Hint: Use pdf of gamma distribution to find the first and second moments and then construct sample analogs)

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