Mathematics A-Level
non-linear relationships
What non-linear relationships means in Mathematics A-Level, as defined for WJEC.
Definition of non-linear relationships
Check what you remember
Read the wording for your board, then hide it and explain non-linear relationships in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: WJEC
Correlation coefficients close to zero do not preclude strong non-linear relationships.
Topics that use non-linear relationships
Related terms
- critical value comparison
- linear association test
- Normal mean hypothesis test
- population correlation ρ
- Z-test statistic
- exclusion of formula derivation
- linear association scope
- PMCC interpretation
Using non-linear relationships in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Mathematics questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
Start free
All Mathematics A-Level termsA week of Premium from your first lesson · Then the free plan continues · No card, no charge