The variance measures how far each number in the set is from the mean. You can use Microsoft Excel to calculate the variance of the data you have entered into a spreadsheet.

Step 4: Another formula you can use to calculate percentage is simply applying the / key in between two cells. For example, to pass a driving theory test, I need to get 80% of the questions correct.

Formulas The Excel table will download and the data can be reduced to three columns: Date Apple stock price Price of the S&P 500 There are two ways to determine beta. The first is to use the ...