Kizspy | Question: 38
(Choose 1 answer)
A time series, yt for t=1,2,3,...,, is a stationary time series if the following three conditions are met, except:
A. The expected value (mean) of yt is a constant for all values of t.
B. The variance of yt is finite
C. The covariance of y t and y t +h depends only on the value of h=0,1, 2,...for all t.
D. The covariance of y t and y t +h not depends only on the value of h=0,1, 2,...for all t.