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Question 13 One investor has a stock with annual returns of 6%, 8%, 10%, -5%, 0% and 3% for the past six years. What is the geometric average return for this time period? O 3.32% 3.54% 2.51% 2.39% 2.70% Question 15 A stock had returns of 12%, 10%, 7%, 0%, and -8% over the past five years. What is the variance of these returns? 0.00672 0.08198 0.00247 0.04970 0.07120