Catholic Junior College
Regression; estimate
Open question & worked solutionFree practice / JC2 H2 Maths Prelim
Correlation & Regression — JC2 H2 Maths Prelim Questions & Worked Solutions
Choose a question, attempt it on paper, then compare your working with the step-by-step solution.
8 questionsWorked solutionsFree to access
About these questions
Real 2025 JC Preliminary Examination Correlation & Regression questions from H2 Mathematics (9758), each with a full worked solution and examiner notes. These are the same papers we work through in our JC H2 Maths Crash Course.
Questions & worked solutions
Select a question to see the full problem and solution.
Eunoia Junior College
Regression; interpolate
Open question & worked solutionHwa Chong Institution
PMCC; scatter diagram
Open question & worked solutionRaffles Institution
Regression + PMCC + estimate
Open question & worked solutionSt Andrew's Junior College
Advanced; model selection
Open question & worked solutionTemasek Junior College
Compare models; transform
Open question & worked solutionTampines Meridian Junior College
PMCC; interpretation
Open question & worked solutionVictoria Junior College
PMCC; prediction
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