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 ...

Have you ever found yourself staring at a growing dataset in Excel, wondering how to make sense of the numbers without spending hours manually updating formulas? Whether you’re tracking monthly sales, ...

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.