To calculate the mean, begin by adding up all of the data points and dividing by the total number of data points. For example, suppose you have the following series of numbers: 3, 3, 6, 9, 16, 16 ...

Open a new Microsoft Excel 2010 spreadsheet. Click on cell "A1" and enter the earlier of the two dates that you are working with. To ensure that Excel converts your date to a number enter it like ...

Median refers to a metric used in statistics. ... so it represents the midpoint of the data. ... Definition, Examples, Formula, and Calculation. Which Economic Factors Most Affect the Demand for ...