8 Problem 11-19 Diversification (L03) Here are the returns on two stocks. hits Digital cheese 19 2 .4 145 -3 January February March Apra May June July August Executive Fruit -9 1 -4 *12 41 45 Book -7 1 Print Pferences Required: 2-1. Calculate the variance and standard deviation of each stock a-2. Which stock is riskier 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. Reg A1 Req A2 Req Req Calculate the variance and standard deviation of each stock. (Da not round Intermediate calculations. Round your answers to 2 decimal places.) Digital Cheese Retum 9 Executive Fruit Retur Variance Standard deviation Reg A2 > a-2. Which stock is niskier 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. es Reg A1 Reg A2 ReqB Reqc Now calculate the retums 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.) Month Portfolio Return January February March April May June July August