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Question 1 Question 1 True or false - which of the following statements are fulfilled in the usual multiple linear regression model? 1.1) &; =

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Question 1 True or false - which of the following statements are fulfilled in the usual multiple linear regression model? 1.1) &; = 0 for all i = 1, ..., n, and B; follows a normal distribution (2 marks) 1.2) E[x]] = E[x2] = 0 and V[&] = BY (2 marks) 1.3) E = 0 (2 marks) 1.4) &; is normally distributed with constant variance, and & and &; are independent for i # j (2 marks) 1.5) &; = 0 for all i = 1, ..., n, and x; follows a normal distribution for j = {1, 2}

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