Inter-quartile range
What Inter-quartile range means in Mathematics GCSE, as defined for Pearson Edexcel.
Definition of Inter-quartile range
Check what you remember
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Reference: Pearson Edexcel
A measure of spread calculated as Q₃ - Q₁, measuring the spread of the middle half.
Topics that use Inter-quartile range
- Statistics (Pearson Edexcel GCSE)
Related terms
- bias
- box plot
- choosing an average
- Continuous Data
- correlation and causation
- Cumulative frequency graph
- Discrete Data
- Extrapolation
Using Inter-quartile range in the exam
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