1. Table gives the aggregate reserves of U.S. depository institutions R from the ?rst quarter of 1995 to the third quarter of 2000.
(a) Test for a linear trend in reserves and for seasonal effects.
(b) What is the value of the intercept for each season (use the 10% signi?cance level)?
Table Aggregate Reserves of U.S. Depository Institutions (in Millions of Dollars)
|
Year
|
I
|
Quarter
II III
|
IV
|
|
1995
|
57,571
|
57,031
|
57,162
|
57,896
|
|
1996
|
54,878
|
53,742
|
51,045
|
51,174
|
|
1997
|
47,551
|
46,606
|
46,060
|
47,919
|
|
1998
|
45,591
|
45,094
|
44,199
|
45,209
|
|
1999
|
43,229
|
42,331
|
41,314
|
41,655
|
|
2000
|
39,752
|
39,217
|
39,257
|
|