You find a certain stock that had returns of 13.4 percent, 21.7 percent, 27.7 percent, and 18.7 percent for four of the last five years. Assume the average return of the stock over this period was 11.40 percent.

Requirement 1:

What was the stocks 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 stocks returns? (Do not round intermediate calculations. Enter your answer as a percentage rounded to 2 decimal places (e.g., 32.16).)

Standard deviation

%