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 answer to 1 decimal place.) Please provide the solution using Excel.

Here are the percentage returns on two stocks. Month January February March April May June July August Digital Executive Cheese Fruit 15% 7% -3 1 4 13 2 -4 -2 -8 2532 -3 -2