Using the data in the following table, estimate the average return and volatility for each stock. $($Click on the following icon in order to copy its contents into a spreadsheet.$)$

Realized Returns

The return of stock $A$ is

$\%.($Round to two decimal places.$)$ The return of stock B is $\%.($Round to two decimal places.$)$ The variance of stock Ais $($Round to five decimal places.$)$ The variance of stock B is $($Round to five decimal places.$)$ The standard deviation of stock A is $\%.($Round to two decimal places.$)$ The standard deviation of stock B is $\%.($Round to two decimal places.$)$