Correlation
Practice describing correlation from a scatter diagram, calculating and interpreting Pearson's product-moment correlation coefficient, and recognising when correlation doesn't imply causation — with full worked solutions.
Start practising → Formula sheet (PDF) ↗Sample questions
- Easy Scatter and correlation type Calculator [4]
- Medium Correlation coefficient Calculator [4]
- Hard Effect of an outlier on r Calculator [5]
About this topic
These are original, exam-style questions written to match the IB Mathematics syllabus for Applications & Interpretation SL (syllabus 4.4). Every question has a full worked solution with mark allocations matching real IB marking schemes.
How to practise
- Open the question bank using the button above.
- Attempt the question, writing out your working.
- Reveal the full worked solution and compare your method step by step.
- Use the difficulty and calculator filters to focus on what you need most.