Learning objective

Determine the equation of a line of best fit, expressed in the form y = mx + c.

Read the explanation, check the common trap, then practise with flashcards and questions.

Exam focus

Cambridge IGCSE StatisticsBivariate distributions

Study support

Understand this objective

Quick explanation

This point belongs to Bivariate distributions, especially Bivariate distributions outcomes.
You need to be able to determine the equation of a line of best fit, expressed in the form y = mx + c.
The key ideas to know are Calculate and Determine.
Use the linked flashcards and practice questions to check recall, then practise applying the idea in an exam-style answer.

Key concepts

CalculateDetermine

Why it matters

This objective helps connect Bivariate distributions outcomes to exam-style questions, flashcards, and revision notes for Bivariate distributions.

Revision tools

Flashcards10 linked cards

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Practice Questions7 linked questions

Question 1 of 7

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0 of 5 attempted

Paper 1Statistical Techniques3 marks

Data Table

Data collected by the student

a
Calculate the equation of the line of best fit in the form y = mx + c using the points (1, 50) and (5, 75).
Your answer
Aim for approximately 3 distinct marking points.
[3]

Revision notestopic notes

Open the full topic revision notes when you are ready to review this objective in context.

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