題組內容
1、Let Y= β₁ + β₂X + ε, where ε is the random error term with mean of θ and variance of σ². Moreover, the mean-centered variables of (Y, X) are as follows:
(3) \( (2\%) \) What is the estimate of \( \operatorname{Var}(b_2) \)?
1、Let Y= β₁ + β₂X + ε, where ε is the random error term with mean of θ and variance of σ². Moreover, the mean-centered variables of (Y, X) are as follows:
(3) \( (2\%) \) What is the estimate of \( \operatorname{Var}(b_2) \)?