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Correlation
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Paired data and scatter graphs

Paired data and scatter graphs

Four scatter plots showing strong positive, weak positive, strong negative, and no clear correlation

Correlation uses bivariate data, which means two measurements are recorded in pairs for each case. A scatter graph plots each pair as one point so you can look for a relationship.

Correlation Lesson

  1. AS Level
  2. /Maths
  3. /Correlation

Step-by-step lessons covering Edexcel AS Level Maths Correlation for AS Level Maths. Each lesson breaks down 4.1 Correlation and 4.2 Linear Regression, then works through exam-style questions in Paper 1 and Paper 2 format. Build fluency in the core algebra, surds and trigonometry topics early, since they underpin the calculus, statistics and mechanics content that follows.