IGCSE Geography / Geographical skills

Mean, median, mode and range revision notes

Edexcel International GCSE Geography (4GE1), chapter 11: Geographical skills, specification point G8. Part of the full course.

Watch the video lesson · IGCSE Geography past papers

Mean, median and mode describe the centre of a data set, while the range describes its spread. Knowing how to calculate each one and when to use it helps you choose a suitable measure for geographical data.

More lessons in Geographical skills

• Grid references, scale and distance
• Contours, relief and cross-sections
• Describing distributions and patterns on maps
• Photographs, satellite images and GIS
• Choosing and reading graphs
• Quartiles and the interquartile range
• Percentages, percentage change, ratio and proportion
• Scatter graphs and lines of best fit