Linear Modelinghard
0:00.0

If a regression model Y=β0+β1X+ϵY = \beta_0 + \beta_1 X + \epsilon is estimated using Weighted Least Squares (WLS) with weights wi=1/σi2w_i = 1/\sigma_i^2 where σi2=Var(ϵi)\sigma_i^2 = Var(\epsilon_i), what is the primary objective?