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

Year

$1$

$2$

$3$

$4$

Return

negative $4\mathrm{.}2\%$

$27\mathrm{.}6\%$

$11\mathrm{.}8\%$

$4\mathrm{.}3\%$

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

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

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

$$Note: Enter your answers for the average return and standard deviation as percentages. For the$$ variance, enter your answer as a decimal number.

Question content area bottom

Part $1$

a$.$ The average return is

$$

enter your response here$\%.($Enter your response as a percent rounded to two decimal$$ places.$)$

Part $2$

b$.$ The variance of the returns is

$$

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

Part $3$

c$.$ The standard deviation is

$$

enter your response here$\%.($Enter your response as a percent rounded to two decimal$$ places.$)$