The following spreadsheet contains monthly returns for Cola Co. and Gas Co. for

20132013.

Using these data, estimate the average monthly return and the volatility for each stock. (Click on the following icon

in

order to copy its contents into a spreadsheet.)

Month	Cola Co.	Gas Co.
January	6.706.70%	2.002.00%
February	7.707.70%	negative 4.004.00%
March	negative 1.301.30%	6.706.70%
April	6.306.30%	7.707.70%
May	negative 1.901.90%	negative 2.802.80%
June	3.903.90%	3.203.20%
July	negative 1.001.00%	negative 1.501.50%
August	negative 2.502.50%	3.703.70%
September	negative 1.301.30%	4.404.40%
October	3.303.30%	0.200.20%
November	8.608.60%	1.801.80%
December	5.605.60%	negative 2.102.10%

The average monthly return for Cola Co. is

2.842.84%.

(Round to two decimal places.)The average monthly return for Gas Co. is

1.611.61%.

(Round to two decimal places.)The volatility for Cola Co. is

nothing%.

(Round to two decimal places.)