Mathematics GCSE
Interquartile Range (IQR)
What Interquartile Range (IQR) means in Mathematics GCSE, as defined for AQA.
Definition of Interquartile Range (IQR)
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Reference: AQA
The difference between the upper quartile and the lower quartile, representing the spread of the middle 50% of the data.
Topics that use Interquartile Range (IQR)
- Statistics (AQA GCSE)
Related terms
- box plot
- Categorical data
- Choosing appropriate diagrams
- Continuous Data
- Correlation
- Cumulative frequency graph
- Estimated line of best fit
- Extrapolation
Using Interquartile Range (IQR) in the exam
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