already did part a

The last four years of retums 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, a. What is the average annual return? The average return is 10.15% (Round to two decimal places.) b. What is the variance of the stock's returns? The variance of the retums is (Round to five decimal places.) - Data table (Click on the following icon in order to copy its contents into a spreadsheet.) Year Return 2 +28.2% 3 + 12.3% -4.1% +4.2% Print Done Help me solve this View an example Get more help Clear all Chock and wor