1. Using the following returns, calculate the average return, the variances, and the standard deviation for X and Y?

Years	Return of X	Return of Y
1 2 3 4 5	16% -17 13 15 24	36% -8 21 -15 39

2. A stock has had the following year end prices and dividends. What the Arithmetic and geometric returns for the stock?

Year	Price	Dividend
1 2 3 4 5 6	$58.27 67.32 61.46 69.32 75.18 84.32	- $1.10 1.25 1.45 1.60 1.78