Question: 4. Suppose the model is y = a + xi + i. You have the following data from the problem set 1: i Yi

4. Suppose the model is y = a + xi + i.

4. Suppose the model is y = a + xi + i. You have the following data from the problem set 1: i Yi Xi i = 1 3 1 i = 2 5 1 i = 3 7 2 Compute (X'X) X'Y and show it produces the same estimates of a and you found in problem set 1.

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