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

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 ...

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 ...