Consider the rate of return on stocks A and B:

Yer	rA	rB
1	-10%	3%
2	8%	12%
3	-3%	0%
4	5%	1%
5	3%	-13%

a) Calculate the arithmetic average return on these stocks over the sample period.

b) Which stock has greater dispersion around the mean?

c) Calculate the geometric average returns of each stock.