問題詳情

I. (60％)MULTIPLE CHOICE QUESTION
 所有的答案請寫在答案卷，答案寫法如下列所示:All answers must be written on the answer sheetfor example:
  


  1. Which of the following statement on a simple OLS regression function

is true ?
(A) Coefficient of determinationR 2  is equal to the correlation coefficient of the sample valueXandY .
(B) More samples necessarily leads to a lower


(C)

is always greater than


(D)Under the same significant level, if

is significantly greater than zero, then

is alsosignificantly greater than zero.

參考答案