(Solved): Consider our population linear regression model Y=\beta _(0) \beta _(1)x U with E(U|(x)|)=0. Which a ...

Consider our population linear regression model

with

(

|)

. Which assumptions are needed for the OLS estimators to be unbiased? Select all that apply. The data comes from a random sample. The sample outcomes of

are not all the same number. The error term has a mean 0 and a constant variance. The conditional expectation is linear

[

|]

with finite second-order moments

and

. The error term is a normally distributed variable with mean 0 and a constant variance.