Key term for OCR GCSE Geography B, used in Enquiry and Argument.
A measure of statistical dispersion representing the spread of the middle 50% of a dataset, ignoring extreme outliers.
Interquartile range (IQR) appears in OCR GCSE Geography B revision content for Geographical Skills, especially Enquiry and Argument and Enquiry Techniques.
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Geographical Skills
Graphical Skills • Graphical Techniques
