Table 1 Estimated Total Returns
State of the Economy	Probability	T-Bond	SETX	Golden	S&P 500
Recession	5%	5%	-19%	20%	-14%
Below Average	15%	5%	2%	13%	3%
Average	45%	5%	9%	10%	11%
Above Average	25%	5%	34%	5%	22%
Boom	10%	5%	25%	-5%	33%

Calculate the standard deviations and coefficients of variation of returns for the four alternatives. What type of risk do these statistics measure? Is the standard deviation or the coefficient of variation the better measure? How do the alternatives compare when risk is considered?