To create a box plot, you must first calculate the five-number summary of your numerical variable, which can be done using various tools or software, such as Excel, R, Python, or online calculators.

Data can be analysed by looking at how it is distributed, and how to calculate important key values such as median and range.

Learn how to calculate the interquartile range from a variety of different data types and draw and interpret box-and-whisker diagrams.