Hore are the returns on two stock 00 Digital Cheese 11 Executive Fruit +6 +1 4 +15 +2 January February March April May June July August 176 po 5 +7 -4 . Required: a 1. Calculate the vartance and standard deviation of each stock a 2 Which stock is riskler if held on its own? b. Now calculate the returns in each month of a portfolio that invests an equal amount each month in the two stocks. c is the variance more or less than halfway between the vartance of the two Individual stocks? Complete this question by entering your answers in the tabs below. Reg A1 Reg A2 R Rec Calculate the variance and standard deviation of each stock. (Do not round intermediate calculations. Round your answers to 2 decimal places Digital Cheese Retum Executive Fruit Return Variance Standard deviation Reg A2 >