NO.PZ202001110100002902
问题如下:
b. Calculate the DF t-statistic, taking .
Hint: For a regression with no intercept, :
选项:
解释:
Completing the table yields
So m can be calculated as:
这题只给了m怎么算,式子是ΔYt=-0.273Yt-1+ εt,如果能当成正态分布的话,算DF的t值应该要用(-0.273-0)/(σt-1/根号25)吧?