Question: Using the data in the following table, estimate the average return and volatility for each stock. The return of stock A is 5.5% The return
Using the data in the following table, estimate the average return and volatility for each stock.

The return of stock A is 5.5%
The return of stock B is 10.83%
The variance of stock A is:
(Round to five decimal places.)
The variance of stock B is:
(Round to five decimal places.)
The standard deviation of stock A is:
The standard deviation of stock B is:
Please help me solve the rest got the Return of stock portion right, just need variance and SD. Thanks!
Year 2008 2009 2010 2011 2012 2013 Realized Returns Stock A Stock B - 4% 12% 18% 21% 14% - 4% - 2% 4% - 11% 11% 31% 8%
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