Using the data in the following table, calculate the volatility (standard deviation) of a portfolio that is 69% invested in stock A and 31% in stock B. The volatility of the portfolio is %. (Round to two decimal places.) Data Table (Click on the following icon 9. in order to copy its contents into a spreadsheet.) Year Stock A Stock B 2010 -4% 27% 2011 14% 5% 2012 6% 16% 2013 -9% -6% 2014 1% -6% 2015 14% 26% Print Done