We have the following information regarding the random variables X,, X2 and X3: Var(X1) = Var(X2) = Var(X3), pX.X 0.2, px.X = 0.5, px X, = 0.9. Calculate the correlation between X+X3 and X2 + X3. (i.e. calculate px,+Xs.X2+X3) %3D %3D %3D

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Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.