Using the data in the following table, calculate the volatility (standard deviation) of a portfolio that is 50% invested in stock A and 50% 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 2010 2011 2012 2013 2014 2015 Stock A - 12% 11% 8% - 6% 3% 6% Stock B 24% 1% 22% - 3% - 10% 15% Print Done