You find a certain stock that had returns of 9.8%, 16.8%, 21.8%, and 17.8% for four of the last five years. The average return of the stock over this period was 11.1%. Assume the face value of the bond is $1,000. What was the stocks return for the missing year? (Round the final answer to 1 decimal place.)

Stocks return _____%

What is the standard deviation of the stocks return? (Do not round intermediate calculations. Round the final answer to 2 decimal places.)

Standard deviation ______%