year	rA	rB
2009	-20.50	-17.50
2010	20.50	29.30
2011	14.00	33.80
2012	-4.50	-7.10
2013	25.76	-3.25

Calculate the average rate of return for stock A during the period 2009 through 2013. Round your answer to two decimal places. %______

Calculate the average rate of return for stock B during the period 2009 through 2013. Round your answer to two decimal places. %_____

Assume that someone held a portfolio consisting of 50% of Stock A and 50% of Stock B. What would the realized rate of return on the portfolio have been in each year? Round your answers to two decimal places.

Year	Portfolio
2009	%
2010	%
2011	%
2012	%
2013	%

What would the average return on the portfolio have been during this period? Round your answer to two decimal places. %_______

Calculate the standard deviation of returns for each stock and for the portfolio. Round your answers to two decimal places.

	Stock A	Stock B	Stock C
Std Dev

Calculate the coefficient of variation for each stock and for the portfolio. Round your answers to two decimal places.

	Stock A	Stock B	Stock C
Coef. Var.