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.

In Microsoft Excel your spreadsheet should allow the inclusion of new data to a series of data points and have the average updated to reflect the new information.

Learn how to calculate Weighted Average in Excel with percentages using the SUM function and the SUMPRODUCT function.

If you need to average a list of values in Microsoft Excel that contain duplicates without including the duplicates, don't fret over a complex expression when you can easily remove those duplicates.

Sometimes you just want to tell Excel what it is you want your formula to do. It'd be a lot easier if you could just say "sort this data in ascending order and find its average" i ...