Using the data in the following table, calculate the volatility (standard deviation) of a portfolio that is 62% invested in stock A and 38% in stock B. The volatility of the portfolio is %. (Round to two decimal places.) X i Data Table (Click on the following icon in order to copy its contents into a spreadsheet.) Year 2014 2015 Stock A 2010 - 14% 23% 2011 6% 4% 2012 6% 24% 2013 - 3% -3% 4% 11% 7% 32% Stock B Print Done