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Estimated line of best fit — Edexcel GCSE Mathematics Definition | GradeGen

Home
Mathematics
Key terms
Estimated line of best fit

GCSE Mathematics · key term

Estimated line of best fit

Definition

A straight line drawn to represent the overall trend of the points on a scatter graph.

Used by Edexcel

How each exam board covers it

Edexcel GCSE Mathematics · 1MA1

Specification S6 · Paper 1, Paper 2, Paper 3

Revise: Scatter Graphs and Correlation

Edexcel Mathematics past papers

Exam tips

1
Do not join the plotted points. Draw one straight estimated line of best fit through the middle of the overall pattern.

Related key terms

Bivariate data
Causation
Correlation
Extrapolation
Interpolation

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Negative correlation

Positive correlation