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. Ms. Sauros S&P 500 2010 +24.9 +17.2 2011 2012 2013 2014 -0.9 +18.6 +42.1 +15.2 +1.0 +16.1 +33.1 +12.7 a. Calculate the average return and standard deviation of Ms. Sauros's mutual fund. (Use decimals, not percents, In your calculations. Do not round Intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.) Answer is complete but not entirely correct. Average rate of return Standard deviation 19.98 % 10.00 %