Correlation and Regression

Examples, videos, activities, solutions, and worksheets that are suitable for A Level Maths.

Correlation - What is it?

This video introduces you to correlation.

Product Moment Correlation Coefficient

This video shows you what the product moment correlation coefficient is and how to calculate it through a worked example.

Linear Regression for y on x : Least squares method

This video shows the least squares method.

Try out our new and fun Fraction Concoction Game.

Add and subtract fractions to make exciting fraction concoctions following a recipe. There are four levels of difficulty: Easy, medium, hard and insane. Practice the basics of fraction addition and subtraction or challenge yourself with the insane level.

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