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

In National 4 Lifeskills Maths use statistics to analyse and compare data sets using mean, median, range, inter-quartile range, and standard deviation.

Learn about calculating the mean, mode and range from a frequency table with this BBC Bitesize Maths article. For students between the ages of 11 and 14.