Here are the returns on two stocks. Fruit January February March April May June July August Digital Executive Cheese 16 -9 -2 +5 +6 +7 +14 -4 +3 -3 Required: a-1. Calculate the variance and standard deviation of each stock. a-2. Which stock is riskier if held on its own? . 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 variance of the two individual stocks? Complete this question by entering your answers in the tabs below. Reg A1 Req AZ Rego ReqC Calculate the variance and standard deviation of each stock. (Do not round Intermediate calculations, Round your answers to 2 decimal places.) Digital Cheese Executive Fruit Retum Return Variance Standard deviation Prev 7 017 ! Next Check my work January February March April May June July August Digital Executive Cheese Fruit +16 -9 -3 +2 -5 +6 +7 +14 -4 Required: a-1. Calculate the variance 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 variance of the two individual stocks? Complete this question by entering your answers in the tabs below. ces Reg A1 Reg A2 Req Reqc Now calculate the returns in each month of a portfolio that invests an equal amount each month in the two stocks. (Negative amounts should be indicated by a minus sign. Do not round intermediate calculations. Round your answers to 2 decimal places.) Portfolio Month Return January February March April May June July August RAZ C>