Question: Calculating Returns and Variability You've observed the following returns on Pine Computers's stock over the past five years: 8 percent, -12 percent, 14 percent, 21

Calculating Returns and Variability You've observed the following returns on Pine Computers's stock over the past five years: 8 percent, -12 percent, 14 percent, 21 percent, and 16 percent. a. What was the arithmetic average return on the company's stock over this 5-year period? b. What was the variance of the company's returns over this period? The standard deviation
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