interquartile range
What interquartile range means in Mathematics GCSE, as defined for AQA.
Definition of interquartile range
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Reference: AQA
Upper quartile minus lower quartile, measuring the spread of the middle half, so it is less affected by outliers than the range.
Topics that use interquartile range
- 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 in the exam
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