Question: Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Ro the standard deviation, use the

Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. Ro the standard deviation, use the Excel function in SQRT.

Returns Returns
Year X Y
1 17% 23%
2 22 34
3 8 11
4 -15 -32
5 10 21

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