Using the data in the following table, calculate the volatility (standard deviation) of a portfolio that is 75% invested in stock A and 25% in stock B. The volatility of the portfolio is [%. (Round to two decimal places.) - - X Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year 2010 2011 2012 2013 2014 Stock A - 5% 12% 4% - 10% 2% Stock B 22% 36% 28% -6% -7% 2015 12% 35% Print Done