Fortescue Mining had realised returns of 5%, 15%, -10%, and -5% over four quarters. What is the quarterly standard deviation of returns for Fortescue?
A)10.31%
B)9.91%
C)11.09%
D)10.71%

Question

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The Answer of Fortescue Mining had realised returns of 5%, 15%, -10%, and -5% over four quarters. What is the quarterly standard deviation of returns for Fortescue?
A)10.31%
B)9.91%
C)11.09%
D)10.71%

Fortescue Mining Had Realised Returns of 5%, 15%, -10%, and -5