Discover what a log-normal distribution is, its financial applications, and how to calculate it, including using Excel for practical financial analysis.

Microsoft Excel’s mathematical capabilities often go far beyond the needs of most everyday users. However, Excel’s built-in statistical functions make it an essential tool for anyone who works with ...

If you are looking for a guide on how to calculate standard error in Microsoft Excel, this one lists a couple of simple solutions.

Percentages aren't always easy to calculate, but one of the best tools in Excel's toolbox is calculating percentages for you. Here's how to do it.

What is standard deviation? Standard deviation measure of the dispersion or spread of a set of values. It indicates how much individual data points deviate from the mean (average) of the >data set. It ...

Calculating variance is easy in Microsoft Excel, and you can do it in just a few clicks once you know what you're doing. So next time you're trying to calculate variance in Excel, follow the steps in ...

While Excel still doesn't have an automatic formula for calculating a dataset’s z-score, we can use other Excel formulas to calculate the mean and then the standard deviation. The entire process may ...

We show you how to calculate percent change in Excel using a percentage change formula and some handy formatting tools.

Standard deviation (SD) is a statistical measure that can help us understand the dispersion or spread of values within a set of data. By calculating the standard deviation, we can identify whether the ...