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Suppose you have a sample (Y1,X1), . .., (Yan) and you are interested in nding the coef cients of the linear regression of Y over

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Suppose you have a sample (Y1,X1), . .., (Yan) and you are interested in nding the coef cients of the linear regression of Y over X. 1. (1) Suppose you regress Y on a constant do, without including X. Find an. 2. (1) Suppose you regress Y on X, without including an intercept. Find the value of the slope g. 3. (1) Suppose you compute Y = a1 + 31K. What would be the value of l if Y was uncorrelated with X? Would it equal [30

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