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Question 6 (20 points) In a simple linear regression model Y = o + Br +, we collected 16 samples and calculated the following I

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Question 6 (20 points) In a simple linear regression model Y = o + Br +, we collected 16 samples and calculated the following I = 0.125, y = 45.7886, Ser = 0.3024, Say = 25.5218, Syy = 2432.4566. (a) Write down the fitted line Y = & + x. (b) Perform the hypothesis test at a = 0.05 Ho : B=0 v.s. H1 : B> 0. (c) Calculate the 95% two-sided confidence interval for B

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