Your portfolio had the values in the following table for the four years listed:

a$.$ Calculate your return for each year over the $4-$year period. Then calculate the average return over the $4-$year period.

b$.$ Calculate the portfolio standard deviation.

The return for $2016$ is

The return for $2017$ is

The return for $2018$ is

The return for $2019$ is

The average return is

The standard deviation is

$\%.($Round to two decimal places.$)$

$\%.($Round to two decimal places.$)$

$\%.($Round to two decimal places.$)$

$\%.($Round to two decimal places.$)$

$\%.($Round to two decimal places.$)$

$\%.($Round to two decimal places.$)$

Data table

$($Click on the icon here in order to copy its contents of the data table below into

a spreadsheet.$)$