plumiCorrelation and linear regression: Edexcel A‑Level Statistics questions
Every Edexcel A-Level Statistics exam question on R.7 Correlation and linear regression, 2018–2025, with its mark scheme and examiner’s report.
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All 17 questions on Correlation and linear regression, as a list
- June 2025, Data and Probability, Q5 (10 marks): 5 Chris works for an estate agent and was asked to investigate whether the average annual salary of regions in England influences the average price of a house i
- June 2024, Data and Probability, Q1 (5 marks): 1 The Olympic Games are held every 4 years. The least squares regression line for the winning times in the men’s 100 metre races for each Olympic Games held aft
- June 2024, Data and Probability, Q5 (9 marks): 5 Ayesha parks her bicycle at the train station on days when she catches the train to work. She is considering moving home to a new location, and decides to fin
- June 2023, Data and Probability, Q5 (10 marks): 5 In 1950, W.S. Robinson conducted a statistical analysis of some data from the 1930 census in the USA. Part of his analysis investigated correlation between ra
- June 2023, Statistics in Practice, Q5 (8 marks): 5 Anja is investigating ‘Speedcubing’, a competition in which participants attempt to solve puzzle cubes in the fastest time possible. One category in Speedcubi
- June 2022, Data and Probability, Q2 (10 marks): 2 Alana is researching show dogs. Show dogs have a desired range of heights. The maximum and minimum desired male and female heights, in inches, for a random sa
- November 2021, Data and Probability, Q8 (13 marks): 8 Therese is studying some data collected at the Large Hadron Collider (LHC), a particle collider located in France and Switzerland. The data contains light‑int
- November 2021, Statistical Inference, Q1 (6 marks): 1 Ramon is conducting a research project. He has taken a random sample of 16 pairs of values for (x, y). He has then calculated, from his data, a sample Pearson
- November 2020, Statistics in Practice, Q2 (16 marks): 2 Snowy tree crickets are insects that live in various states of the USA. Male snowy tree crickets make a noise called a chirp by rubbing their wings together.
- November 2020, AS Paper 1, Q7 (17 marks): 7 Derek wants to buy a new smartphone and is investigating which model of smartphone to buy. He observes that models of smartphone with a greater battery energy
- November 2020, AS Paper 2, Q4 (4 marks): 4 Sharon is analysing some data from the 2011 UK census. She is looking for patterns between levels of qualifications that people hold in the UK. The dataset co
- June 2019, Data and Probability, Q2 (10 marks): 2 Dirk is working on a piece of statistics coursework. He has been given a database containing various statistics for each of the countries of the world, and he
- June 2019, Statistical Inference, Q2 (7 marks): 2 The following table shows the numbers of butterflies of two species, Orange Tips and Peacocks, found in comparable surveys in 7 successive years. Year 1 2 3 4
- June 2019, AS Paper 1, Q6 (11 marks): Femi works for a campaigning charity based in London. He is seeking evidence to support more resources being put into education and training for 16-18 year olds
- June 2019, AS Paper 2, Q8 (15 marks): 8 Andrew is a sports medicine researcher who is investigating correlation between different types of physical aptitude. He takes a random sample of female gym m
- June 2018, AS Paper 1, Q5 (15 marks): 5 Deshandra is writing a report on the consumption of hot drinks around the world. She believes that countries where more coffee is consumed are likely to consu
- June 2018, AS Paper 2, Q4 (8 marks): 4 A Hertzsprung-Russell diagram is a scatter diagram showing the relationship between a star’s colour and its absolute magnitude (a measure of the brightness of
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