What is the range?
The range of a set of data is the difference between the highest and lowest value in a data set.
Calculating the range
The data below shows average temperatures for Manchester, England.
Exam question: Calculate the temperature range for Manchester.
To calculate the range, we need to identify the highest and lowest value.
Highest value = 17.8°C
Lowest value = 4.3°C
Annual average temperature range = 17.8°C – 4.3°C = 13.5°C
Remember to include the unit of measure in your answer.