Youve observed the following returns on CrashBurn Computers stock over the past five years: 3 percent-15 percent, 23 percent20 percent, and 14 percent.

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P12-9 Calculating Returns and Variability (L01) You've observed the following returns on Crash-n-Burn Computer's stock over the past five years: 3 percent, -15 percent, 23 percent, 20 percent, and 14 percent. Requirement 1: What was the average return on Crash-n-Burn's stock over this five year period? 9.00% Requirement 2: (a)What was the variance of Crash-n-Burn's returns over this period? (Do not round intermediate calculations.) (Click to select) (b)What was the standard deviation of Crash-n-Burn's returns over this period? (Do not rouna intermediate calculations.) (Click to select)