X-bar and R charts are useful control charts for use with rational subgroups. X-bar measure between-sample variation. R charts measure within-sample variation. All processes vary. The data you collect ...

2 types of variation and how we distinguish between common and special cause variation, along with how to create a rational subgroup. We also cover the equations and constants for the X-bar and R ...

Viewing the distribution of related values from one entity to another is a frequent request, and that’s where Microsoft Excel floating bar charts can help. Instead of starting from the X axis, the low ...

Microsoft Excel X may be a champ with numbers, but when it comes to displaying numerical information graphically, Excel’s standard chart formats don’t pack a lot of punch. But this doesn’t have to be ...

Editorial Note: Forbes Advisor may earn a commission on sales made from partner links on this page, but that doesn't affect our editors' opinions or evaluations. A Microsoft Excel spreadsheet is one ...

Bar graphs are graphical representations of statistical data in the form of strips or bars. This allows viewers to understand the difference between the various parameters of the data at a glance ...

There are three measures of central tendency for data. One is the mean or x-bar, and the others are the median and mode. When ...

Dana Miranda is a Certified Educator in Personal Finance, creator of the Healthy Rich newsletter and author of You Don't Need a Budget: Stop Worrying about Debt, Spend without Shame, and Manage Money ...