1)

Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y.

	Returns
Year	X	Y
1	11 %	22 %
2	29	43
3	18	-13
4	-19	-27
5	20	51

Calculate the arithmetic average return for X.

Calculate the arithmetic average return for Y.

Calculate the variance for X.

Calculate the variance for Y.

Calculate the standard deviation for X.

Calculate the standard deviation for Y.

2)

A stock had returns of 18 percent, 16 percent, 15 percent, 8 percent, 13 percent, and 2 percent over the last six years.

What is the arithmetic return for the stock?

What is the geometric return for the stock?