Using the following returns, calculate the arithmetic average returns, the variances, and the standard deviations for X and Y. |
Returns | ||
Year | X | Y |
1 | 12 % | 21 % |
2 | 30 | 42 |
3 | 19 | -9 |
4 | -20 | -23 |
5 | 21 | 50 |
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