Using the data in the following table,, calculate the volatility (standard deviation) of a portfolio that is 67% invested in stock A and 33% in stock B The volatility of the portfolio is %. (Round to two decimal places.) i Data Table (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Year Stock A Stock B 2010 -2% 18% 2011 17% 34% 2012 3% 26% 2013 -3% 2014 3% -3% 2015 14% 24% Print Done