Question 1
Learning objective
Use appropriate measures of spread including range, quartiles and inter-quartile range.
Read the explanation, check the common trap, then practise with flashcards and questions.
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Topic
Statistical skills
Subtopic
Statistical skills
Aqa Gcse GeographyGeographical skills
Study support
Understand this objective
Quick explanation
Use appropriate measures of spread including range, quartiles and inter-quartile range
- This point belongs to Statistical skills, especially Statistical skills.
- You need to be able to use appropriate measures of spread including range, quartiles and inter-quartile range.
- The key ideas to know are range, inter-quartile range, and quartile.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
rangeinter-quartile rangequartile
Why it matters
This objective helps connect Statistical skills to exam-style questions, flashcards, and revision notes for Statistical skills.
Quick student answer
What should a geography response explain about appropriate measures of spread including range, quartiles and inter-quartile range?
Direct answer
For Geography, this page helps you revise appropriate measures of spread including range, quartiles and inter-quartile range in Statistical skills. Focus on the key terms, the exam command, and a clear answer that matches the question. Key terms to check are range and inter-quartile range.
Key terms
- range: In Statistical skills, range means the difference between the highest and lowest values in a data set. This matters in Statistical skills because it supports the learning objective to use appropriate measures of spread including range, quartiles and inter-quartile range. Use range only in this subtopic-relevant sense so the definition stays concise, evidence-aware, and useful for AQA GCSE Geography 8035 revision.
- inter-quartile range: The measure of spread that represents the range of the middle 50% of a data set, calculated as the difference between the first quartile (Q1) and the third quartile (Q3).
Common trap
Confusing Range and Inter-Quartile Range: Remember that the range is the difference between the highest and lowest values, while the inter-quartile range is the difference between the first and third quartiles, representing the middle 50% of the data.
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Revision notestopic notes
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Open revision notesRelated learning objectives
- Use appropriate measures of central tendency including median, mean, mode and modal class.
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- Use cumulative frequency where appropriate.
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- Calculate percentage increase and percentage decrease.
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- Understand the use of percentiles.
Statistical skills
- Describe relationships in bivariate data.
Statistical skills