The Large-Sample Distribution Of $\hat { \beta }$ ₁ is
A) $\sqrt { n }$

Multiple Choice

The large-sample distribution of $\hat { \beta }$ ₁ is

A) $\sqrt { n }$ ( $\hat { \beta }$ ₁-?₁) $\begin{array} { l } \mathrm { d } \\\rightarrow\end{array}$ N(0 $\frac { \operatorname { var } \left( v _ { i } \right) } { \left[ \operatorname { var } \left( X _ { i } \right) \right] ^ { 2 } }$ where ?_i= (X_i-?_x) u_i
B) $\sqrt { n }$ ( $\hat { \beta }$ ₁-?₁) $\begin{array} { l } \mathrm { d } \\\rightarrow\end{array}$ N(0 $\frac { \operatorname { var } \left( v _ { i } \right) } { \left[ \operatorname { var } \left( X _ { i } \right) \right] ^ { 2 } }$ where ?_i= u_i
C) $\sqrt { n }$ ( $\hat { \beta }$ ₁-?₁) $\begin{array} { l } \mathrm { d } \\\rightarrow\end{array}$ N(0 $\frac { \operatorname { var } \left( v _ { i } \right) } { \left[ \operatorname { var } \left( X _ { i } \right) \right] ^ { 2 } }$ where ?_i= X_iu_i
D) $\sqrt { n }$ ( $\hat { \beta }$ ₁-?₁) $\begin{array} { l } \mathrm { d } \\\rightarrow\end{array}$ N(0 $\frac { \sigma _ { u } ^ { 2 } } { \left[ \operatorname { var } \left( X _ { i } \right) \right] ^ { 2 } }$