Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for calculating fluctuations, depending on whether ...

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 ...

In your school life, you have learned about average and the method to calculate it. The formula to calculate the average is very simple. You just have to add all the values in the given data and ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Charlene Rhinehart is a CPA , CFE, chair of ...

Create robust, backward-compatible Excel workbooks by leveraging the structural power of the ROWS function.

Have you ever found yourself wrestling with Excel formulas, trying to calculate moving averages or rolling totals, only to end up frustrated by the constant need for manual adjustments? You’re not ...

For years, I've relied on running totals in Microsoft Excel, but the traditional methods are fragile and unreliable. Since Microsoft introduced the SCAN function, I've switched to a brand-new approach ...

A straight ranking result is easy using one of Microsoft Excel’s ranking functions. Calculating a conditional rank is even easier if you let an Excel PivotTable do all the work. Image: ...

Steven Nickolas is a writer and has 10+ years of experience working as a consultant to retail and institutional investors. Katharine Beer is a writer, editor, and archivist based in New York. She has ...