Geography GCSE
Inter-quartile range
What Inter-quartile range means in Geography GCSE, as defined for AQA.
Definition of Inter-quartile range
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Reference: AQA
The difference between the upper and lower quartiles, showing the spread of the middle 50% of data, which ignores extreme anomalies.
Topics that use Inter-quartile range
- Statistical skills (AQA GCSE)
Related terms
- Critical evaluation
- Data reliability
- Statistical manipulation
- 90th percentile
- Cumulative frequency
- Graphical interpretation
- Mean
- Percentage increase or decrease
Using Inter-quartile range in the exam
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