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

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