Calculating Correlation & Regression
Practice computing Pearson's r, Spearman's rank correlation, and regression line coefficients from raw data — including by-hand calculations from summary statistics.
Start practising → Formula sheet (PDF) ↗Sample questions
- Easy Calculate Pearson's r using GDC from a dataset Calculator [4]
- Medium Compute Spearman's rank from ranked data No Calculator [6]
- Hard Full regression analysis using summary statistics No Calculator [7]
About this topic
These are original, exam-style questions written to match the IB Mathematics syllabus for Applications & Interpretation HL. Every question comes with a full step-by-step worked solution showing the method, 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.