Microsoft Excel's SUMIFS function calculates the sum of values in a range of cells based on multiple conditions. It avoids ...

This post explains how to calculate Weighted Average in Excel with percentages. In a standard arithmetic average where the sum of values is divided by the number of values, each data value is treated ...

Averaging isn’t always a simple total divided by the number of items totaled. Fortunately, Microsoft Excel offers several averaging functions, and one of them will probably get the job done. In this ...