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.

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 ...

You can find the Average of a value by selecting the cell below or to the right of values that you want to Average. Then go to the Editing Group, select the Auto-Sum Tool. You will see a drop-down ...

Add Yahoo as a preferred source to see more of our stories on Google. If you have three or more rows of data, chances are, you'll need to summarize those values in some way. Summarizing is one of the ...

Have you ever stared at an Excel spreadsheet, overwhelmed by its complexity, and thought, “There must be a better way to do this”? You’re not alone. Despite being one of the most widely used tools for ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...