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. a. What is the average annual return? The average return is 10 %. (Round to two decimal places.) b. What is the variance of the stock's returns? The variance of the returns is .014. (Round to five decimal places.) X Data Table (Click on the following icon in order to copy its contents into a spreadsheet.) 3 4 Year Return 1 - 4.0% 2 + 28.0% + 12.0% +4.0% Print Done Page Aresage return Caord] - (-4) +28+12+4 = 10% 4 Year este un ca] Flertame Avell CGR-AR] GR-AK) ( Give on GR - -4 28 10 10 2 3 4 12 -14 18 2 -6 10 196 324 4 36 560 4 10 Variance = 560 4 140 or 10.014 Standard deviation deviation = = )* E ECGR-AR? 5 140 11.83%