The median is the middle number in a sorted ascending or descending list. It can be more descriptive of the dataset than the ...

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 ...

A trimmed mean is much like a standard mean, which you can derive in Excel using the AVERAGE function. However, instead of using all of the data points to create the mean, a trimmed mean will leave ...

Averages are used all the time in finance, usually to justify performance (above average'). However, as an investor, youshould realise there are several ways to calculate an average.The three most ...