Key term for AQA GCSE Geography, used in Formulate Enquiry and Argument.
A measure of statistical dispersion showing the spread of the middle 50% of a dataset, calculated by subtracting the lower quartile from the upper quartile.
Interquartile range (IQR) appears in AQA GCSE Geography revision content for Geographical skills, especially Formulate Enquiry and Argument and Enquiry and Argumentation.
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Geographical skills
Statistical Skills • Statistical Analysis
