Please help calculate the varince for stick a and b

Using the data in the following table, $1,$ estimate the average return and volatility for each stock.

The return of stock $A$ is $3\mathrm{.}5\%.($Round to two decimal places.$)$

The return of stock B is $11\mathrm{.}66\%.($Round to two decimal places.$)$

The variance of stock $A$ is $.($Round to five decimal places.$)$

The varince pf stock b $?$

Data table

$($Click on the following icon ${}_n$ in order to copy its contents into a spreadsheet.$)$

$\backslash$table$[[,$Realized Returns$],[$Year$,$Stock A$,$Stock B$],[2017,-4\%,27\%$