Year 1 2 3 4 Return -3.9% 27.8% 11.6% 4.3%

The last four years of returns for a stock are as shown here:

a. What is the average annual return? round to two decimals

b. What is the variance of the stock's returns? round to 5 decimals

c. What is the standard deviation of the stock's returns? round to two decimals

Note:

Notice that the average return and standard deviation must be entered in percentage format. The variance must be entered in decimal format.