How to Calculate T-Value From Mean & Standard Deviation in Excel. Calculate t-values in your Microsoft Excel spreadsheet by combining built-in functions with custom formulas. T-values, also known ...

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.

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

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Several basic templates are available for Microsoft Excel that make it simple to calculate production costs.

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

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

One of the many features of Excel is being nosy. That's right, you can quickly calculate a persons age as long as you have their birth date.