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. - X Data table a. What is the average annual return? The average return is 10.10 %. (Round to two decimal places.) (Click on the icon located on the top-right corner of the data table below in order to copy its contents into a spreadsheet.) b. What is the variance of the stock's returns? Year 1 2 3 4 The variance of the returns is (Round to five decimal places.) Return -3.6% + 28.2% + 12.2% + 3.6% Print Done