There are two ways to calculate a conditional average in Excel, both involve some logic and some special functions. Excel’s SUMIF() and COUNTIF() are two of my favorite summarizing functions and we’ve ...

Calculate the weighted average of interest rates in Microsoft Excel to compute the most accurate average interest rate among a group of lenders who received different rates. When you take a weighted ...

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 ...

Microsoft Excel 2010 provides a formula for calculating the average value from multiple worksheets in a workbook. Before you apply this formula, check that each worksheet is formatted the same way.

I have a background that includes spreadsheets, programming, and electronics, so this book piqued my interest. I didn't run into any surprises until I thought a bit more about its contents and my ...