percent,-11 percent, 18 percent, 19 percent, and 10 percent. a. What was the ari

Question

percent,-11 percent, 18 percent, 19 percent, and 10 percent. a. What was the arithmetic average return on Crash-n-Burn's stock over this five-year period? (Do not round intermediate calculations. Enter your answer as a percent rounded to 1 decimal place, Average return 92 % b-1 What was the variance of Crash-n-Burn's returns over this period? (Do not round intermediate calculations and round your answer to 5 decimal places, e.g., 32.16161.) Variance b-2 What was the standard deviation of Crash-n-Burn's retums over this period? (Do not round intermediate calculations. Enter your answer as a percent rounded to 2 decimal places, e.g. 32.16.) Standard deviation

Explanation / Answer

Year Return (in percent) (value - mean )^2 1 10 0.64 2 -11 408.04 3 18 77.44 4 19 96.04 5 10 0.64 Sum 46 582.8 Arithmetic average 9.20 Variance (582.8/5) 116.56 Standard deviation = variance ^0.5 10.796

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