How to Calculate an Interquartile Mean in Excel. 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 ...

There are several ways to calculate an average, the three most common being the mean, median and mode.

Mode, median and mean are three types of average. Find out how to calculate them and the range of numbers in this Second Level Primary Maths guide.

Mode, median and mean are three types of average. Find out how to calculate them and the range of numbers in this Second Level Primary Maths guide.