Here are the returns on two stocks. January February March April May June July August Digital Cheese +14 -3 +5 +7 -4 +3 -2 Executive Fruit +7 +1 +4 +13 +2 +5 -3 -2. Required: -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 sto 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 Al Reg A2 Reg B Rego adulate the varianne and standard deviatinn hf each starken intermediare the inne RAIH where Prev 817 Next >