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

20102010.

Using these data, estimate the average monthly return and the volatility for each stock. The returns are shown in percentage form (i.e., 3.5% is 0.035).Click on the icon located on the top-right corner of the data table to copy its contents into a spreadsheet.

Month	Cola Co.	Gas Co.
January	5.905.90%	negative 0.700.70%
February	5.705.70%	negative 2.302.30%
March	3.263.26%	5.705.70%
April	9.609.60%	negative 1.301.30%
May	negative 0.400.40%	negative 1.901.90%
June	9.709.70%	negative 0.200.20%
July	3.503.50%	5.505.50%
August	negative 6.106.10%	negative 2.002.00%
September	3.703.70%	7.607.60%
October	0.000.00%	1.401.40%
November	11.9011.90%	negative 0.600.60%
December	negative 3.903.90%	1.501.50%

The average monthly return for Cola Co. is :

nothing%.

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

nothing%.

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

nothing%.

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

nothing%.

(Round to two decimal places.)