need all parts

The last four years of returns for a slock are as shown here: a. What is the average annual retum? 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 Data table (Click on the icon focated on the fop-right corner of the data table below in order to copy its contents into a spreadsheot.) The last four years of returns for a stock at a. What is the average annual return? b. What is the variance of the stock's returns? Note Notice that the average return and standard deviation must be entered in percentage format The vanance must be entered in decimal format. a. What is the average annual return? The average return is \%. (Round to two decimal places.)