please explain in excel with steps

Over the 2010-2014 period, a fund manager Ms. Welch produced the following rates of return. The market index return is shown for comparison 2010 2011 2012 2013 2014 Ms. Welch 24.9 -0.9 18.6 42.1 15.2 Market Index 17.2 1.00 16.1 33.1 12.7 Calculate the arithmetic average return and standard deviation of Ms. Welch's fund. How did she do relative to the market