Question: Help me for solving this problem, Please. 3.4. Consider a linear regression model with y = Y1 Y2 Y3 44 X = 10 10 01

Help me for solving this problem, Please.

3.4. Consider a linear regression model with y = Y1 Y2 Y3 44 X = 10 10 01 01 B = B1 B2 > > 2 2 and linear restrictions Bi + B2 = 0. (a) Derive the restricted least squares estimator BR of B as a function of Yi, i= 1,...,4. (b) Check whether 2y + y2 + Y3 + 44 Y1 + y2 + y3 + 2y4 is unbiased for when the given linear restrictions are satisfied (model assumptions (i) to (iv) and (viii)). ( 3.4. Consider a linear regression model with y = Y1 Y2 Y3 44 X = 10 10 01 01 B = B1 B2 > > 2 2 and linear restrictions Bi + B2 = 0. (a) Derive the restricted least squares estimator BR of B as a function of Yi, i= 1,...,4. (b) Check whether 2y + y2 + Y3 + 44 Y1 + y2 + y3 + 2y4 is unbiased for when the given linear restrictions are satisfied (model assumptions (i) to (iv) and (viii)). (

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