Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y$.$

Year Returns

X Y

$113\%24\%$

$23145$

$320-6$

$4-21-20$

$52253$

Calculate the arithmetic average return for X$.$

Calculate the arithmetic average return for Y$.$

Calculate the variance for X$.$

Calculate the variance for Y$.$

Calculate the standard deviation for X$.$

C alcul ate the standard deviation for Y$.$