題組內容
III. (i)We have n observations to get OLS regression function 
.
(1) If we regress 
xi where d 2 ≠ 0 , let 
be the intercept and 
be the intercept of the new regress function, please find 
and 
?(6%)
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III. (i)We have n observations to get OLS regression function .
(1) If we regress xi where d 2 ≠ 0 , let be the intercept and be the intercept of the new regress function, please find and ?(6%)