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

2013.

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	5.80%	0.60%
February	0.20%	0.60%
March	4.64%	6.00%
April	1.00%	6.90%
May	0.50%	1.10%
June	1.50%	0.90%
July	1.80%	2.50%
August	7.00%	2.80%
September	0.40%	4.10%
October	1.40%	3.60%
November	1.90%	1.10%
December	10.20%	7.00%

Question content area bottom

Part 1

The average monthly return for Cola Co. is

enter your response here%.

(Round to two decimal places.)

art 1

The average monthly return for Cola Co. is

enter your response here%.

(Round to two decimal places.)

The average monthly return for Cola Co. is

(Round to two decimal places.)

Part 2The average monthly return for Gas Co. is

(Round to two decimal places.)

Part 3The volatility for Cola Co. is

(Round to two decimal places.)

Part 4The volatility for Gas Co. is

(Round to two decimal places.)