extrapolation
What extrapolation means in Mathematics A-Level, as defined for Pearson Edexcel, WJEC.
Definitions of extrapolation
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Reference: WJEC
A prediction that is unreliable because it lies far outside the range of observed explanatory data.
Estimating a value outside the range of data used to construct or fit a model.
Topics that use extrapolation
- Algebra and functions (Pearson Edexcel A-Level)
- Data presentation and interpretation (AS Unit 2: Applied Mathematics A) (WJEC A-Level)
Related terms
- interpolation
- Algebraic division by linear expressions
- Amplitude
- Asymptote
- bivariate interpretation
- box plot conventions
- causal inference
- central tendency
Using extrapolation in the exam
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