Question: and 10% Problem 12-9 Calculating Returns and Variability (LO1) You've observed the following returns on Regina Computer's stock over the past five years: 20%, -12%,
and 10% Problem 12-9 Calculating Returns and Variability (LO1) You've observed the following returns on Regina Computer's stock over the past five years: 20%, -12%, 17%, 20% o. What was the arithmetic average return on Regina's stock over this five-year period? (Round the final answer to 1 decimal place.) Average return 1% b-1. What was the variance of Regina's returns over this period? (Do not round intermediate calculations. Round the final answer to 5 decimal places.) Variance b-2. What was the standard deviation of Regina's returns over this period? (Do not round intermediate calculations. Round the final answer to 1 decimal place.) Standard deviation 96
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