During the boom years of 2010 2014, ace mutual fund manager Diana Sauros produced the following percentage rates of return. Rates of return on the market are given for comparison: 2010 2011 2012 2013 2014 Ms. Sauros +24.9 -0.9 +18.6 +42.1 +15.2 S&P 500 +17.2 +1.0 +16.1 +33.1 +12.7 Calculate the average return and standard deviation of Ms. Sauros's mutual fund. Did she do better or worse than the market by these measures?