Geography A-Level
Inter-quartile range
What Inter-quartile range means in Geography A-Level, as defined for AQA.
Definition of Inter-quartile range
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Reference: AQA
The upper quartile minus the lower quartile, describing the middle 50% of ordered values and making it more robust for skewed data or outliers.
Topics that use Inter-quartile range
- Statistical skills (AQA A-Level)
Related terms
- Chi-square test
- Hypothesis testing
- Median
- Spearman’s rank correlation
- Standard deviation
- Statistical significance
- Mean
- Measures of central tendency
Using Inter-quartile range in the exam
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