The historical retums for two investments - A and B-are summarized in the following table for the period 2016 to 2020 , Uso the data to answer the cuestions that folow. a. On the basis of a review of the return data, which investment appears to be moce risky? Why? b. Calculate the standard devintion for ench investment's roturns. c. On the basis of your calculations in part b, which investment is more risky? Compare this conclusion to your observation in part a. a. On the basis of a review of the return data, Which investrvent oppoars to be more risky? Why? (Choose the best answer below.) A. The riskier investment appears to be investment B, with returns that are closer to the average relative to investment A. whose returns are farther from the average. 8. Investment A and investment B have equal risk because the average feturns are the same. C. The riskier investment appears to be investment A, with retums that vary widely from the averege relative to imestiment B, whose returns show less deviation from the average. D. The riskier investment appears to be irvestment B, with returns that vary widely from the average relative to imvestment A, whose returns show less deviation from the average. b. The standard daviation for investiment A is 16. (Round to two decimal places.) Hew of the retum data, which investment appears to be more risky? Why? rd deviation for each investments returns. calculasions in part b, which investment is more risky? Compare this conclusion to your observation in part a. 55 X,Mw.)MinimizeB,whosereturA.whose