Question: Answer the following questions by hand, using matrices. X1 X2 1' -2 l O -1 1 1 0 O 3 l l 5 2 0

Answer the following questions by hand, using matrices. X1 X2 1' -2 l O -1 1 1 0 O 3 l l 5 2 0 6 We are interested in tting the following regression model: Y: =50 +161Xi1+182Xi2 +3

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