Graphs: Averages and range
To find an average of a set of numbers, add them all up and divide by the total amount of numbers. The range is the difference between the largest and the smallest numbers in the set. They are useful in sports.
Quick tips for tutors
Averages and range includes:
- Explanation of range and the different types of average
- Worked examples of the process for calculating the arithmetic mean, median and mode
- Activities to practise extracting information from tables, charts and diagrams to calculate range and average.