S & P 500
1983	164.93
1984	167.24
1985	211.28
1986	242.17
1987	247.08
1988	277.72
1989	353.4
1990	330.22
1991	417.09
1992	435.71
1993	466.45
1994	459.27
1995	615.93
1996	740.74
1997	970.43
1998	1229.23
1999	1469.25
2000	1320.28
2001	1148.08
2002	879.82
2003	1111.92

Using the data shown above, compute the variance and standard deviation to determine the riskiness of the S & P 500. You may use Excel to determine the riskiness or volatility.

Observe a tabular presentation.