In a recent 5-year period, mutual fund manager Diana Sauros 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 1.4 +24.3 +40.3 +11.3 +0.5

Market index 0.8 +15.0 +31.3 +10.6 0.6

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 Ms. Sauros do better or worse than the market index on these measures?