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Here are the returns on two stocks. January February March April May June Digital Cheese +18 -4 +6 +8 -5 +4 -3 -9 Executive Fruit +8 +1 1 +5 +16 +2 +6 July August Required: a-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 B Reg C Calculate the variance and standard deviation of each stock. (Do hot round Intermediate calculations. Round your answers to 2 decimal places.) ni-ILLAR -... CA References Complete this question by entering your answers in the tabs below. Reg A1 Reg A2 Reg B Reg C Calculate the variance and standard deviation of each stock. (Do not round intermediate calculations. Round your answers to 2 decimal places.) Digital Cheese Retum 54.61% Executive Fruit Return % Variance Standard deviation May June July August -5 +4 -3 -9 +2 +6 -4 -3 Required: a-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. Req A1 Reg A2 Req B Reqc Which stock is riskier if held on its own? Which stock is riskier if held on its own? Reg A1 Req A2 Req B Reqc Now calculate the returns in each month of a portfolio that invests an equal amount each month in the two stocks. (Nega 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 a-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 Reg A2 Req B Reqc Is the variance more or less than halfway between the variance of the two individual stocks? Is the variance more or less than halfway between the variance of the two individual stocks?