OCR A Level Further Mathematics A Statistics Paper 1 2025 Ms

Get the official OCR A Level Further Mathematics A Y542/01 Statistics mark scheme from the June 2025 exam series. This examiner-approved PDF contains detailed worked solutions, examiner commentary, assessment-objective breakdowns, method marks, accuracy marks and follow-through guidance for every question in the live OCR examination.

This OCR Y542/01 June 2025 mark scheme includes full examiner guidance for regression analysis, Poisson distributions, Central Limit Theorem applications, hypothesis testing, Wilcoxon signed-rank tests, chi-squared association tests, Spearman’s rank correlation coefficient and continuous probability-density functions. The document explains how OCR awards M, A and B marks for statistical reasoning, modelling assumptions, distribution interpretation and rigorous probability calculations, including detailed follow-through marking and acceptable alternative methods. Questions include advanced modelling using combined normal distributions, statistical tests for independence and association, geometric versus Poisson distribution analysis, percentile calculations and non-parametric testing. Pair it with the matching OCR Y542/01 June 2025 question paper on markscheme.net for complete examiner-standard revision and worked-solution practice. Updated for the 2025/2026 academic year, mobile-friendly and instantly downloadable from markscheme.net.

This document is designed for Year 13 OCR A Level Further Mathematics students preparing for the 2026 examination series, including independent learners, resit candidates and high-achieving mathematics students seeking examiner-level insight into Further Statistics marking standards.

Teachers, tutors, sixth-form mathematics departments and revision-course providers can use this examiner mark scheme for assessment-objective workshops, hypothesis-testing seminars, statistical-modelling lessons, probability-distribution revision and worked-solution analysis. It is especially valuable for students aiming to improve rigorous statistical reasoning, interpretation of statistical evidence and high-band analytical problem-solving skills in OCR Further Mathematics.