Estimator of parameter

by | Sep 10, 2021 | Assignment | 0 comments

Given W as the estimator of parameter¬†?. show that mean square error, MSE (W)=E[(W-?)^2] = Var(W)+[Bias(W)]^2.Let W be an estimatorMSE(W) =E [(W-?)2]= E[(W-E(W)+E(W)- ?2]=E[(W-E(W))2+(E(W)- ?)2+(W-E(W)(E(W)- ?)]=E[(W-E(W))2]+E[(E(W)- ?)2]+E[(W-E(W))(E(W)- ?)]=E[(W-E(W))2]+(E(W)-…

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