The Linear Multiple Regression Model Can Be Represented in Matrix

question 6

Multiple Choice

The linear multiple regression model can be represented in matrix notation as Y= Xβ + U, where X is of order n×(k+1) . k represents the number of

• A)regressors.
• B)observations.
• C)regressors excluding the "constant" regressor for the intercept.
• D)unknown regression coefficients.

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