Question 1
Learning objective
Interpolate and extrapolate trends.
Read the explanation, check the common trap, then practise with flashcards and questions.
At a glance
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Flashcards
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Questions
Topic
Statistical skills
Subtopic
Statistical skills
Aqa Gcse GeographyGeographical skills
Study support
Understand this objective
Quick explanation
Interpolate and extrapolate trends
- This point belongs to Statistical skills, especially Statistical skills.
- You need to be able to interpolate and extrapolate trends.
- The key ideas to know are trends, interpolate, and extrapolate.
- Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.
Key concepts
trendsinterpolateextrapolate
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 interpolate and extrapolate trends?
Direct answer
For Geography, this page helps you revise interpolate and extrapolate trends in Statistical skills. Focus on the key terms, the exam command, and a clear answer that matches the question. Key terms to check are Interpolation and Extrapolation.
Key terms
- Interpolation: The process of estimating a value within the range of known data points on a trend line.
- Extrapolation: The process of estimating a value outside the range of known data points using a trend line.
Common trap
Confusing Interpolation and Extrapolation: Remember that interpolation is estimating values within the range of the data, while extrapolation is estimating values outside the range.
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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 appropriate measures of spread including range, quartiles and inter-quartile range.
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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.
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