You can’t use a SUM() function to sum a filtered list, unless you intend to evaluate hidden and unhidden values. Here’s how to sum only the values that meet your filter’s criteria. Filters are a ...

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 in Microsoft Excel is easy, until you start excluding specific values. Here are three ways to average a data set when giving special consideration to the highest and lowest values. The ...