How to Calculate Fluctuations in Excel. Calculating data fluctuations-- also called variance -- is a multi-step process that requires total accuracy. Excel 2010 provides two basic formulas for ...

The interquartile mean is a measure of central tendency. While all values in a data set are used to calculate the mean, only the interquartile range -- the central portion of a data set -- is used ...

Learn how to calculate simple, weighted and exponential moving averages in Microsoft Excel using Data Analysis Tool Pack or Formula.

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.

Learn how to calculate moving averages in Excel using dynamic arrays. Simplify rolling totals with custom functions for efficient analysis.

Excel's spill range is a product of using dynamic array functions. Learn how the spill range fulfills these functions.

Learn to calculate Consumer Price Index (CPI) using Excel and create its graph, please read through this article. We have discussed the prcedure extensively.

Marginal returns may be calculated using Excel to help determine if additional production would result in prohibitive expense.

Find out how to use Microsoft Excel to calculate the present value of a fixed annuity, including a calculation example. The calculation doesn't account for taxes.

Calculating the return One of the best methods for calculating an average return for a stock investment is the XIRR function in Excel.