Here are the percentage returns on two stocks. 14 Month January February March April Digital Cheese 151 -4 Executive Fruit 71 2 s Hay June July August --1. Calculate the monthly variance and standard deviation of each stock. (Do not round intermediate calculations. Round your answers to 1 decimal places.) Digital Cheese Executive Fruit Variance Standerd deviation 6-2. Which stock is the riskeef held on its own Digital Cheese Executive Fruit SVO ERR Lume Submit 14 2-2. Which stock is the riskier if held on its own? Digital Cheese Executive Fruit b. Now calculate the variance and standard deviation of the returns on a portfolio that invests an equal amount each month in the two stocks. (Do not round Intermediate calculations. Round your answers to 1 decimal places) Varance Standard deviation c. Is the variance more or less than half way between the variance of the two individual stock? more than the 50%-50% less than the 50%-50%