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Use the following returns for X and Y. Year X Y 1 21.5% 25.5 2 -16.5 -3.5 3 9.5 27.5 4 19 14 5 4.5

Use the following returns for X and Y.

Year	X	Y
1	21.5%	25.5
2	-16.5	-3.5
3	9.5	27.5
4	19	14
5	4.5	31.5

Calculate the variances and standard deviation of X and Y.

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