The last four years of returns for a stock are as$$ follows:

Year

$1$

$2$

$3$

$4$

Return

negative $4\mathrm{.}5\%$

$27\mathrm{.}8\%$

$12\mathrm{.}1\%$

$4\mathrm{.}3\%$

a$.$ What is the average annual$$ return?

b$.$ What is the variance of the$$ stock's returns?

c$.$ What is the standard deviation of the$$ stock's returns?

Question content area bottom

Part $1$

a$.$ What is the average annual$$ return?

The average return is

$$

$9\mathrm{.}93\%.($Round to two decimal$$ places.$)$

Part $2$

b$.$ What is the variance of the$$ stock's returns?

The variance of the returns is

$$

enter your response here. $($Round to five decimal$$ places.$)$