$1.$ The return of stock A is $\_\_\_.($Round to two decimal$$ places.$)$

$2.$ The return of stock B is $\_\_\_\_.($Round to two decimal$$ places.$)$

$3.$ The variance of stock A is $\_\_\_\_.($Round to five decimal$$ places.$)$

$4.$The variance of stock B is $\_\_\_\_.($Round to five decimal$$ places.$)$

$5.$ The standard deviation of stock A is $\_\_\_\_.($Round to five decimal$$ places.$)$

$6.$The standard deviation of stock B is $\_\_\_\_.($Round to five decimal$$ places.$)$