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.

The median is the middle number in a sorted ascending or descending list. It can be more descriptive of the dataset than the average. It’s quite different from the mean.

The mean is the most commonly used measure of average. To find the mean of a list of numbers, add them all together and divide by how many numbers there are: mean = sum of all the numbers amount ...