Stocks A and B have the following historical returns:

Year	Sock As Returns, KA	Sock Bs Returns, KB
2010	(18.00%)	(14.50%)
2011	33.00	21.80
2012	15.00	30.50
2013	(0.50)	(7.60)
2014	27.00	26.30

1. Calculate the average rate of return for each stock during the period 2010 through 2014.

2. Assume that someone held a portfolio consisting of 50 percent of Stock A and 50 of Stock B. What would, have been the realized rate of return on the portfolio in each year from 2010 through 2014? What would have been the average return on the portfolio during this period?

3. Calculate the standard deviation of returns for each stock and for the portfolio.

4. Calculate the coefficient of variation for each stock and for the portfolio.

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