plumiChi-squared contingency tables: OCR MEI A‑Level Further Maths questions
OCR MEI A-Level Further Maths past-paper questions on 2.3 Chi-squared contingency tables, 2018–2025, with mark schemes and examiner’s reports where available. Add MadAsMaths questions to your practice, or browse them separately by topic and difficulty.
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All 11 questions on Chi-squared contingency tables, as a list
- June 2025, AS Statistics A, Q7 (15 marks): The manager of a Health Service Trust receives data from two hospitals, Hospital A and Hospital B, about the lengths of stays in hospital for patients with a pa
- June 2024, Statistics Major, Q9 (13 marks): A cyclist has 3 bicycles, a road bike, a gravel bike and an electric bike. She wishes to know if the bicycle which she is riding makes any difference to whether
- June 2024, Statistics Minor, Q4 (12 marks): A genetics researcher is investigating whether there is any association between natural hair colour and natural eye colour. A random sample of 800 adults is sel
- June 2023, Statistics Major, Q9 (10 marks): A cyclist who lives on an island suspects that car drivers with locally registered number plates allow more space when passing her than those with non-locally r
- June 2022, Statistics Major, Q10 (13 marks): A scientist is researching dietary fat intake and cholesterol level. A random sample of 60 people is selected and their dietary fat intakes and cholesterol leve
- June 2022, AS Statistics A, Q5 (14 marks): A researcher is investigating whether there is any relationship between the overall performance of a student at GCSE and their grade in A Level Mathematics. The
- November 2021, Statistics Minor, Q3 (13 marks): A student wants to know whether there is any association between age and whether or not people smoke. The student takes a sample of 120 adults and asks each of
- November 2020, Statistics Minor, Q3 (8 marks): In this question you must show detailed reasoning. In a survey into pet ownership, one of the questions was ‘Do you own either a cat or a dog (or both)?’. A tot
- November 2020, AS Statistics A, Q6 (12 marks): A researcher is investigating whether there is any relationship between whether a cyclist wears a helmet and the distance, x m, the cyclist is from the kerb (th
- June 2019, Statistics Major, Q5 (13 marks): In an investigation into the possible relationship between smoking and weight in adults in a particular country, a researcher selected a random sample of 500 ad
- June 2018, AS Statistics A, Q5 (13 marks): A random sample of workers for a large company were asked whether they are smokers, ex-smokers or have never smoked. The responses were classified by the type o
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