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 ...

How to return monthly sales averages for the last n years in Microsoft Excel Your email has been sent Averaging is easy business in Microsoft Excel. Thanks to the AVERAGEIF() and AVEREAGEIFS() ...

A seasonal index is a way of measuring the seasonal variation -- that is, to measure the change that is due to seasonal changes in demand -- of a variable, typically sales. For example, a beachfront ...

If your business makes investments in equipment and employee benefit contributions, you may need to track the average annual rate of return over a span of time for financial reporting obligations.

As a child of the dark ages, I used the word rank to describe something that smelled rotten or suspicious. Rank in Microsoft Excel is, thankfully, totally different. In Excel, rank is a value that ...