【多选题】Private housing starts (PHS) are considered leading indicators of future economic activity. Using Quarterly data on private housing starts over the period Feb. 1980-Feb. 2000, the estimated correlogr...
A.
Based on a = 5%, the private housing starts data exhibit seasonal variation
B.
Based on a = 5%, the private housing starts data do not exhibit seasonal variation
C.
To test seasonality, H 0 : r k = 0
D.
To test seasonality, the alternative hypothesis is: Ha: r k ¹ 0 K = 4, 8, 12
【简答题】脑筋急转弯。 1. I have four feet. But I can't walk(走路). What am I? _______________________. 2. 什么room不住人? _______________________. 3. I'm in China now. My friend is in England. But I can talk (谈话) to my f...
【简答题】Kate wants an apartment in a ___________ location. She wants to walk to work every day.2. Ana signed a two-year ___________ for her apartment. She's going to move in next month.3. This apartment is gr...