Mathematics A-Level
Line of best fit
What Line of best fit means in Mathematics A-Level, as defined for Pearson Edexcel.
Definition of Line of best fit
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Reference: Pearson Edexcel
A straight line drawn through plotted transformed variables, from which the gradient is estimated using two well-separated points.
Topics that use Line of best fit
- Exponentials and logarithms (Pearson Edexcel A-Level)
Related terms
- Continuous change
- Differentiation of exponential functions
- Exponential function
- Exponential modelling
- gradient
- inverse functions
- laws of logarithms
- Linearisation
Using Line of best fit in the exam
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