Stocks A and B have the following historical returns:

Year	Stock A's Returns, rA	Stock B's Returns, rB
2013	- 16.20%	- 16.30%
2014	37.50	29.90
2015	16.00	29.10
2016	- 5.25	- 7.60
2017	22.25	19.20

1. Calculate the average rate of return for stock A during the period 2013 through 2017. Round your answer to two decimal places. % Calculate the average rate of return for stock B during the period 2013 through 2017. Round your answer to two decimal places. %
2. 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 each year? Round your answers to two decimal places. Negative values should be indicated by a minus sign.

   Year	Portfolio
   2013	%
   2014
   2015
   2016
   2017

   What would the average return on the portfolio have been during this period? Round your answer to two decimal places. %
3. Calculate the standard deviation of returns for each stock and for the portfolio. Round your answers to two decimal places.

   	Stock A	Stock B	Portfolio
   Standard Deviation	%	%	%

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

   	Stock A	Stock B	Portfolio
   CV

5. Assuming you are a risk-averse investor, would you prefer to hold Stock A, Stock B, or the portfolio?