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econometrics question 1. Verify the following statement: (x,- F)(Y,- ) = (x,- F)Y. = 3x (Y,-Y) , -XY (Hint) Easy way to prove the above

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econometrics question

1. Verify the following statement: (x,- F)(Y,- ) = (x,- F)Y. = 3x (Y,-Y) , -XY (Hint) Easy way to prove the above equality derive the first three equations in terms of the last equation, 3X,Y,- nXY (Note) Substituting Y, = X, into the above equation makes the following equality: (x,- 8) = (X, - X)X, = X?-nX

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