Question: Consider a typical equation in the linear model, Y = B*X + u, suppose B and X are fixed numbers, then V( Y ) =

Consider a typical equation in the linear model, Y = B*X + u, suppose B and X are fixed numbers, then V( Y ) = O A. Cov ( B*X, u) O B. V (B *X ). O C. V ( u ). O D. none of the above

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