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	.9	18.6	42.1	15.2
S&P 500	17.2	1.0	16.1	33.1	12.7

a. Calculate the average return and standard deviation of Ms. Sauros's mutual fund. (Do not make the adjustment for degrees of freedom described in footnote 18.) (Use decimals, not percents, in your calculations. Do not round intermediate calculations. Enter your answers as a percent rounded to 2 decimal places.)

Average rate of return	%
Standard deviation	%

b. Did she do better or worse than the market by these measures?

Ms. Sauros's rate of return was (Click to select)higherlower than the market's return and her standard deviation was (Click to select)higherlower than the market's standard deviation.