The last four years of returns for a stock are as shown here: B 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. 1 a. What is the average annual return? The average return is %. (Round to two decimal Data table b. What is the variance of the stock's returns? (Click on the following icon in order to copy its contents into a spreadsheet.) The variance of the returns is (Round to five de c. What is the standard deviation of the stock's return Year Return 1 -3.6% 2 +27.7% 3 + 12.2% 4 +4.3% The standard deviation is %. (Round to two decir Print Done