in a recent 5 year period, mutual fund manager, Karen produced the following percentage rates of return for the Mesozoic fund. Rates of return on the market index are given for comparison.

1 2 3 4 5

Fund -1.2 +24.9 +40.9 +11.9 +0.3

Market index -0.9 +14.0 +31.9 +11.2 -0.7

a. calculate (a) the average return on both the fund and the index, and (b) the standard deviation of the returns on each. ( do not round intermediate calculations. round your answers to 2 decimal places.

b did Karen do better or worse than the market index on these measures?