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An investment produced annual rates of return of 7%, -14%, 20% and 4% respectively over the past four years. What is the standard deviation of
An investment produced annual rates of return of 7%, -14%, 20% and 4% respectively over the past four years. What is the standard deviation of these returns? OA. 1.5% OB. 7.0% OC. 12.1% OD. 14.0%
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