plumiOutliers and cleaning data: OCR A‑Level Maths questions
OCR A-Level Maths past-paper questions on 2.02.3 Outliers and cleaning data, 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 6 questions on Outliers and cleaning data, as a list
- June 2025, Paper 2, Q9 (11 marks): Some students in a year-group took two tests, Test 1 and Test 2. The maximum mark in each test was 120. The students’ marks are illustrated in the cumulative fr
- June 2025, AS Paper 1, Q9 (7 marks): Sasha collected data from 11 students about the time they spent on computer games during the previous week and their marks in a test. The results are represente
- June 2023, Paper 2, Q8 (7 marks): The stem-and-leaf diagram shows the heights, in centimetres, of 15 plants. | 0 | 2 | 1 | 0 | 2 | 4 | 3 | 0 2 4 9 | 4 | 1 2 4 7 9 | 5 | 3 7 | 6 | 2 Key: | 2 | 5
- June 2023, AS Paper 1, Q10 (9 marks): The masses of a random sample of 120 boulders in a certain area were recorded. The results are summarized in the histogram. Frequency density 35 40 50 55 60 65
- June 2022, Paper 2, Q10 (10 marks): The table shows the age structure of usual residents of 18 Local Authorities (LAs) in the North West region of the UK in 2011. Local Age 65 and Age 0 to 17 Age
- November 2021, Paper 2, Q11 (12 marks): Zac is planning to write a report on the music preferences of the students at his college. There is a large number of students at the college. (a) State one rea
Questions, mark schemes and examiner’s reports are © OCR, from their published past papers. Plumi isn’t affiliated with any exam board. Want whole papers? OCR A-Level Maths past papers.
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