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 to ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Mean, median, and mode are measures of central tendency used to summarize data, but their applicability depends on the type of data being analyzed. When working with nominal data, which consists of ...

A set of numbers can be difficult to interpret and it can be a challenge to gain an overview of what they show. Finding different averages of a set of data gives us a tool to describe the results. The ...