Question: You find a certain stock that had returns of 12.2 percent, -21.1 percent, 27.1 percent, and 18.1 percent for four of the last five years. Assume the average return of the stock over this period was 10.20 percent.
Requirement 1: What was the stock's return for the missing year? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)
Stock's return %
Requirement 2: What is the standard deviation of the stock's returns? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)
Standard deviation %