A cumulative average recalculates a data set's average as new data is added. During the recalculation all data contained in the data set is included in the average. In Microsoft Excel your spreadsheet ...

Excel's AVERAGEIF and AVERAGEIF functions let you find the average of a set of data. However, where they differ from the more straightforward AVERAGE function is in their ability to include or ...

If you track your daily earnings using an Excel spreadsheet, you can use the same spreadsheet to estimate your projected earnings over any time period. Using Excel's "AVERAGE" function, you can ...