Stocks A and B have the following historical returns:

Year	Stock A's Returns, rA	Stock B's Returns, rB
2011	- 23.10%	- 14.40%
2012	33.75	22.2
2013	20	22.6
2014	-5.5	-13.4
2015	33.25	41.4

a.

Average

11.68%

11.68%

b. 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

Year	Portfolio
2011	-18.75%
2012	27.98
2013	21.3
2014	-9.45
2015	37.33

c. Calculate the standard deviation of returns for each stock and for the portfolio. (Round to two decimal places)

	Stock A	Stock B	Portfolio
Standard Deviation	( ? )%	( ? )%	( ? )%

d. Calculate the coefficient of variation for each stock and for the portfolio. (Round to two decimal places)

	Stock A	Stock B	Portfolio
CV	( ? )%	( ? )%	( ? )%