Problem $11-17$ Average Return and Standard Deviation $($LO$3)$

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.

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?