plumiCorrelation and regression: Edexcel International A Level Further Maths questions
Every Edexcel International A Level Further Maths exam question on S1.4 Correlation and regression, 2019–2025, with its mark scheme and examiner’s report.
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All 17 questions on Correlation and regression, as a list
- June 2025, AS Statistics 1 (S1), Q3 (14 marks): Statistical models are a cheap and quick way to make predictions about real‑world situations. (a) Give one other reason why statistical models are used. Madison
- January 2025, AS Statistics 1 (S1), Q6 (12 marks): As a part of a selection process, applicants for a television game show have to take a test, and then complete a task as quickly as possible. The test score, w,
- October 2024, AS Statistics 1 (S1), Q2 (11 marks): A biologist records the length, y cm, and the weight, w kg, of 50 rabbits. The following summary statistics are calculated from these data. y y w ww yw 2015 819
- June 2024, AS Statistics 1 (S1), Q4 (13 marks): A biologist is studying bears. The biologist records the length, d cm, and the girth, g cm, of 8 bears. The biologist summarises the data as follows d g dg g 14
- January 2024, AS Statistics 1 (S1), Q2 (12 marks): The average minimum monthly temperature, x degrees Fahrenheit (°F), and the average maximum monthly temperature, y degrees Fahrenheit (°F), in Kolkata were reco
- January 2024, AS Statistics 1 (S1), Q4 (12 marks): A French test and a Spanish test were sat by 11 students. The table below shows their marks. Student A B C D E F G H I J K French mark ( f ) 24 30 32 32 36 36 4
- October 2023, AS Statistics 1 (S1), Q6 (12 marks): The variables x and y have the following regression equations based on the same 12 observations. Regression equation y on x y = 1.4x + 1.5 x on y x = 1.2 + 0.2y
- June 2023, AS Statistics 1 (S1), Q2 (13 marks): Two students, Olive and Shan, collect data on the weight, w grams, and the tail length, t cm, of 15 mice. Olive summarised the data as follows Stt = 5.3173 ∑w 2
- January 2023, AS Statistics 1 (S1), Q6 (14 marks): A research student is investigating the maximum weight, y grams, of sugar that will dissolve in 100 grams of water at various temperatures, x °C, where 10 x
- October 2022, AS Statistics 1 (S1), Q2 (13 marks): The production cost, £c million, of a film and the total ticket sales, £t million, earned by the film are recorded for a sample of 40 films. Some summary statis
- June 2022, AS Statistics 1 (S1), Q2 (14 marks): Stuart is investigating the relationship between Gross Domestic Product (GDP) and the size of the population for a particular country. He takes a random sample
- January 2022, AS Statistics 1 (S1), Q2 (6 marks): Tom’s car holds 50 litres of petrol when the fuel tank is full. For each of 10 journeys, each starting with 50 litres of petrol in the fuel tank, Tom records th
- January 2022, AS Statistics 1 (S1), Q6 (13 marks): Students on a psychology course were given a pre‑test at the start of the course and a final exam at the end of the course. The teacher recorded the number of m
- October 2021, AS Statistics 1 (S1), Q2 (12 marks): A large company is analysing how much money it spends on paper in its offices each year. The number of employees in the office, x, and the amount spent on paper
- June 2021, AS Statistics 1 (S1), Q6 (16 marks): Two economics students, Andi and Behrouz, are studying some data relating to unemployment, x %, and increase in wages, y %, for a European country. The least sq
- January 2021, AS Statistics 1 (S1), Q5 (17 marks): A company director wants to introduce a performance-related pay structure for her managers. A random sample of 15 managers is taken and the annual salary, y in
- October 2020, AS Statistics 1 (S1), Q5 (15 marks): A large company rents shops in different parts of the country. A random sample of 10 shops was taken and the floor area, x in 10 m2, and the annual rent, y in t
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