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

Realized Returns

Year

Stock A

Stock B

$2008$

negative $4\%$

$19\%$

$2009$

$14\%$

$26\%$

$2010$

$10\%$

$4\%$

$2011$

negative $3\%$

negative $9\%$

$2012$

$2\%$

negative $4\%$

$2013$

$8\%$

$26\%$

The return of stock A is

$$

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

Part $2$

The return of stock B is

$$

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

Part $3$

The variance of stock A is

$$

$.($Round to five decimal$$ places.$)$

Part $4$

The variance of stock B is

$$

$.($Round to five decimal$$ places.$)$

Part $5$

The standard deviation of stock A is

$$

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

Part $6$

The standard deviation of stock B is