Spread and Data Display
What spread and data display means
Range, variation and charts.
Before you start
Not confident yet? Work through Measures of Central Tendency first.
Worked example
One question from this skill's own question bank, shown with its full working.
The range of a data set is
- the difference between the largest and smallest values
- the average
- the middle value
- the most common value
Working: Range measures how spread out data is.
Curriculum and exam alignment
Curriculum notes are a general guide to where this work normally sits. Always check the syllabus your school or examination body is currently using.
Related skills
Other Descriptive Statistics skills in Statistics & Data Science, at the same point in the course.
Other Statistics & Data Science topics
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Practise spread and data display
6 questions with a worked answer after every attempt, and a SmartScore that tracks how close you are to mastery.