A4 2d
The stocks on ABC Company and XYZ Company have the following returns over the last five years.
Year
ABC returns
XYZ returns
1
–0.2
0.2
2
–0.1
0.1
3
0.5
4
0.3
0.05
5
0.08
d. Calculate the variance and standard deviation on the returns on XYZ.
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