Discover what quartiles are in statistics, how to calculate them, and see examples to help you interpret data more ...

Finding different averages of a set of data gives us a tool to describe the results. The main averages, which can also be referred to as measures of central tendency, are the mean, mode and median.

GCSE Averages and range - WJEC Finding the mean from a table Averages are used in everyday life to give us information about a set of numerical data, give an overview of the values seen and tell ...