Estimate the standard deviation and the coefficient of variation for the following investments. Round your answers to three decimal places.

	Investment Returns
	Stock A		Stock B
	1.00%		8.50%
	1.50		8.75
	2.00		9.00
	2.50		9.25
	3.00		9.50
Standard Deviation
Coefficient of Variation

	Investment Returns
	Stock A		Stock B
	1.70%		6.50%
	1.85		7.25
	2.00		8.00
	2.15		8.75
	2.30		9.50
Standard Deviation
Coefficient of Variation