Score: 0 of 1 pt 7 of 10 6 completa) P 11-18 (book/static) The last four years of returns for a stock are as follows: Your Return 1 -3.79 2 27.8% 3 12.1% 4 4.2% a. What is the average annual retum? b. What is the variance of the stock's retums? c. What is the standard deviation of the stock's returns? a. What is the average annual return? The average ratum is 0% (Round to two decimal places) Enter your answer in the answer box and then click Check Answer Clear All 2 parts remaining MacBook Air