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Part $1$

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

Year

Stock A

Stock B

$20082008$

negative $1313\%$

$2424\%$

$20092009$

$2020\%$

$2727\%$

$20102010$

$66\%$

$99\%$

$20112011$

negative $1010\%$

negative $44\%$

$20122012$

$33\%$

negative $1414\%$

$20132013$

$1212\%$

what is the variance of stock A is $?(5$ decimal places$)$

what is the variance of stock B is$?(5$ decimal places$)$