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An Investment produced annual rates of return of 3%, %, 11% and 6%, respectively, over the past four years. What is the standard deviation of
An Investment produced annual rates of return of 3%, %, 11% and 6%, respectively, over the past four years. What is the standard deviation of these returns?
a. 3.4% b. 4.3% c. 3.1% d. 3.7%
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