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

The return of stock $A$ is $\%.($Round to two decimal places.$)$

Data table

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

$\backslash$table$[[,$Realized Returns$],[$Year$,$Stock A$,$Stock B$],[2017,-15\%,28\%$