The iast four years of resums for a stock ate as shown here: a. What is the dverage annual roturn? b. What is tho variance of the stock's sehurns? c. What is the standard deviation of the stock's retuins? Note. Notice that the average rebuin and standad deviation must be ontered in percentage format. The variance must be entored in docmal format. a. What is the average annual iefuen? The arefige retumis (Hound to two decinal places.) b. Whan is the vananoe of the shocks rehurs? The varianoe of the refums is (Flound to five docmal places.) c. What is the standard deviation of the stock's refirns? The ulydard deviaton is 5. (Fround to two decimal places.) The iast four years of resums for a stock ate as shown here: a. What is the dverage annual roturn? b. What is tho variance of the stock's sehurns? c. What is the standard deviation of the stock's retuins? Note. Notice that the average rebuin and standad deviation must be ontered in percentage format. The variance must be entored in docmal format. a. What is the average annual iefuen? The arefige retumis (Hound to two decinal places.) b. Whan is the vananoe of the shocks rehurs? The varianoe of the refums is (Flound to five docmal places.) c. What is the standard deviation of the stock's refirns? The ulydard deviaton is 5. (Fround to two decimal places.)