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1.1 Question 1 Suppose that (21, 31), (12, 12), .... (In, Un) is a dataset to which we fit a simple linear regresion. Let beta,

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1.1 Question 1 Suppose that (21, 31), (12, 12), .... (In, Un) is a dataset to which we fit a simple linear regresion. Let beta, and B1 be the least squares estimates of the intercept and slope. Show that 1. Var(Bil(1, ...., In)) = 2. Var(Bol(1 1 ,..., In)) =02(+

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