98 Here are the percentage returns on two stocks, Digital Executive Month Cheese Fruit January 150 February - 2 March 5 5 April 7 15 May 1 June 5 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 Standard deviation% a-2. Which stock is the riskler if held on its own? O 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.) Variance Standard deviation% c. is the variance more or less than half way between the variance of the two Individual stocks? more than the 50% 50% less than the 50%-50%