You’ve observed the following returns on Crash-n-Burn Computer’s stock over the past five years: 5 percent, -10 percent, 28 percent, 19 percent, and 15 percent.
What was the arithmetic average return on Crash-n-Burn’s stock over this five year period?
What was the variance of Crash-n-Burn’s returns over this period? (Do not round intermediate calculations.)
What was the standard deviation of Crash-n-Burn’s returns over this period? (Do not round intermediate calculations.)