Discuss the below:
Q: The yield on a 30-year treasury note at the end of each year since 1990 is recorded below. Compute a five-year (1) moving average and (2) weighted moving average using weights of .1, .1, .2, .3, and .3, respectively. Describe the trend in yield both in both narrative and graphical form.
1990 8.61
1991 8.14
1992 7.67
1993 6.59
1994 7.37
1995 6.88
1996 6.71
1997 6.61
1998 5.58
1999 5.87
2000 5.94
2001 5.49
2002 5.43.