QUESTION 15 Find the standard deviation of stock X's returns. Round intermediate steps to four decimals. O .0117 0.0175 0.1082 0.1323 Use the following information to answer the next four questions. Assume that you invested $30,000 in stock X and $30,000 in stock Y Year Stock X Return Stock y Return Jan. 2013 -5% 8% Jan. 2012 15% 8% Jan. 2011 20% 20%