An equity had returns of 8%, -2%, 4%, and 16% over the past four years.What is the standard deviation of this equity for the past four years?
A)6.3%
B)6.6%
C)7.1%
D)7.5%
E)7.9%

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The Answer of An equity had returns of 8%, -2%, 4%, and 16% over the past four years.What is the standard deviation of this equity for the past four years?
A)6.3%
B)6.6%
C)7.1%
D)7.5%
E)7.9%

An Equity Had Returns of 8%, -2%, 4%, and 16