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

a. What is the average annual return?

b. What is the variance of the stock's returns?

c. What is the standard deviation of the stock's returns?

Note:

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

i Data Table (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) Year 1 2. 4 3 + 12.3% Return - 3.9% + 28.1% + 3.9% Drint