Excel is a spreadsheet with a lot of power. The software can be used to track inventory, track and calculate payroll and a myriad of other calculations. An Excel formula is generally composed of ...

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 ...

The T-Value is a common statistical calculation with a very wide range of applications. In the business world, it can help in making educated financial predictions and projections. For example, a ...