Question: Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Returns Year X Y 1 9

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

Returns
Year X Y
1 9 % 18 %
2 27 39
3 16 -7
4 -17 -21
5 18 47

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

calculate the standard deviation for y

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