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The OLS Estimator for the Multiple Regression Model in Matrix

Question 2

Multiple Choice

The OLS estimator for the multiple regression model in matrix form is

A) (X'X) ^-¹^X'Y
B) X(X'X) ^-¹X' - P_X
C) (X'X) ^-¹^X'U
D) (XΩ^-¹^X) ^-¹^XΩ^-¹^Y

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