plumit-tests and tests on means: OCR MEI A‑Level Further Maths questions
OCR MEI A-Level Further Maths past-paper questions on 7.3 t-tests and tests on means, 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 9 questions on t-tests and tests on means, as a list
- June 2025, Statistics Major, Q8 (13 marks): A teacher is investigating whether students run more quickly round an athletics track if they run in a clockwise direction rather than in an anti-clockwise dire
- June 2024, Statistics Major, Q7 (16 marks): An environmental investigator wants to check whether the level of selenium in carrots in fields near a mine is different from the usual level in the country, wh
- June 2023, Statistics Major, Q7 (13 marks): An analyst routinely examines bottles of hair shampoo in order to check that the average percentage of a particular chemical which the shampoo contains does not
- June 2022, AS Statistics B, Q3 (8 marks): A local council collects domestic kitchen waste for composting. Householders place their kitchen waste in a ‘compost bin’ and this is emptied weekly by the coun
- November 2021, Statistics Major, Q5 (17 marks): A manufacturer uses three types of capacitor in a particular electronic device. The capacitances, measured in suitable units, are modelled by independent Normal
- November 2021, AS Statistics B, Q3 (12 marks): The weights in kg of male otters in a large river system are known to be Normally distributed with mean 8.3 and standard deviation 1.8. A researcher believes th
- November 2020, Statistics Major, Q8 (10 marks): In this question you must show detailed reasoning. On the manufacturer’s website, it is claimed that the average daily electricity consumption of a particular m
- June 2019, AS Statistics B, Q5 (14 marks): A technician is investigating whether a batch of nylon 66 (a particular type of nylon) is contaminated by another type of nylon. The average melting point of ny
- June 2018, AS Statistics B, Q5 (10 marks): The flight time between two airports is known to be Normally distributed with mean 3.75 hours and standard deviation 0.21 hours. A new airline starts flying the
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