plumiStatistical sampling: OCR MEI A‑Level Maths questions
Every OCR MEI A-Level Maths exam question on S.1 Statistical sampling, 2018–2025, with its mark scheme and examiner’s report.
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All 33 questions on Statistical sampling, as a list
- June 2025, Paper 2, Q10 (5 marks): The pre-release material contains information about life expectancy at birth for countries of the world at 10-year intervals from 1960 until 2020. The life expe
- June 2025, Paper 2, Q15 (10 marks): A personal trainer is investigating whether, in the general population, there is any association between resting pulse rate in beats per minute and mean hours p
- June 2025, AS Paper 2, Q4 (2 marks): The pre-release material contains data for percentage employment rates in different areas of England. The diagram shows percentage employment rates between 2008
- June 2025, AS Paper 2, Q7 (5 marks): The pre-release material contains data on household waste recycling rates and mean income of taxpayers in different areas of England. The scatter diagram shows
- June 2025, AS Paper 2, Q10 (5 marks): Two market researchers, Riley and Ryan, are commissioned by a supermarket to investigate the total amount spent by shoppers in a single transaction. Riley is in
- June 2025, AS Paper 2, Q16 (9 marks): According to government statistics, 6.45% of people in Britain are vegetarian. A researcher believes the percentage of people who are vegetarian in the village
- June 2024, Paper 2, Q9 (4 marks): A teacher is investigating how pupils travel to and from school each day. Pupils can either travel by bus, train, car, bicycle or walk. The teacher decides to c
- June 2024, Paper 2, Q14 (8 marks): The pre-release material contains medical data for 103 women and 97 men. The boxplot represents the weights in kg of 101 of the women from the pre-release mater
- June 2024, AS Paper 2, Q5 (3 marks): The pre-release material contains information for countries in the world concerning real GDP per capita in US$ and mobile phone subscribers per 100 population.
- June 2024, AS Paper 2, Q10 (6 marks): The pre-release material contains information about the birth rate per 1000 people in different countries of the world. These countries have been classified int
- June 2023, Paper 2, Q8 (6 marks): A garden centre stocks coniferous hedging plants. These are displayed in 10 rows, each of 120 plants. An employee collects a sample of the heights of these plan
- June 2023, Paper 2, Q9 (5 marks): The pre-release material contains information concerning the median income of taxpayers in different areas of London. Some of the data for Camden is shown in th
- June 2023, Paper 2, Q14 (8 marks): The pre-release material contains information concerning the median income of taxpayers in £ and the percentage of all pupils at the end of KS4 achieving 5 or m
- June 2023, AS Paper 2, Q6 (6 marks): An app on my new smartphone records the number of times in a day I use the phone. The data for each day since I bought the phone are shown in the stem and leaf
- June 2023, AS Paper 2, Q8 (4 marks): The pre-release material contains information on Pulse Rate and Body Mass Index (BMI). A student is investigating whether there is a relationship between pulse
- June 2023, AS Paper 2, Q12 (6 marks): Doctors are investigating the weights of adult males registered at their surgery. One week they collect a sample by noting the weight in kilograms of all the ad
- June 2022, Paper 2, Q8 (3 marks): Ali conducted an investigation into the distances ridden by those members of a cycling club who rode at least 120 km in a training week. She grouped all the dis
- June 2022, Paper 2, Q15 (9 marks): The pre-release material includes information on life expectancy at birth in countries of the world. Fig. 15.1 shows the data for Liberia, which is in Africa, t
- June 2022, AS Paper 2, Q6 (6 marks): The pre-release material contains information about employment rates in London boroughs. The graph shows employment rates for Westminster between 2006 and 2019.
- June 2022, AS Paper 2, Q11 (9 marks): The pre-release material contains information about the Median Income of Taxpayers and the Percentage of Pupils Achieving at Least 5 A*– C grades, including Eng
- November 2021, Paper 2, Q10 (9 marks): Ben has an interest in birdwatching. For many years he has identified, at the start of the year, 32 days on which he will spend an hour counting the number of b
- November 2021, Paper 2, Q12 (7 marks): Fig. 12.1 shows an excerpt from the pre-release material. A B C D E F G H 1 Sex Age Marital Weight Height BMI Waist Pulse 2 Female 34 Married 60.3 173.4 20.05 8
- November 2021, AS Paper 2, Q7 (7 marks): The pre-release material contains information about health expenditure. Fig. 7.1 shows an extract from the data. Health expenditure Country (% of GDP) Algeria 7
- November 2021, AS Paper 2, Q9 (5 marks): Arun, Beth and Charlie are investigating whether there is any association between death rate per 1000 and physician density per 1000. They each collect a random
- November 2021, AS Paper 2, Q11 (6 marks): James is investigating the amount of time retired people spend each day using social media. He collects a sample by advertising in a local newspaper for people
- November 2020, Paper 2, Q8 (12 marks): Rosella is carrying out an investigation into the age at which adults retire from work in the city where she lives. She collects a sample of size 50, ensuring t
- November 2020, Paper 2, Q9 (9 marks): A company supplies computers to businesses. In the past the company has found that computers are kept by businesses for a mean time of 5 years before being repl
- November 2020, Paper 2, Q11 (10 marks): The pre-release material contains information concerning median house prices over the period 2004 – 2015. A spreadsheet has been used to generate a time series
- November 2020, AS Paper 2, Q3 (8 marks): A researcher is conducting an investigation into the number of portions of fruit adults consume each day. The researcher decides to ask 50 men and 50 women to c
- November 2020, AS Paper 2, Q10 (9 marks): Fig. 10.1 shows a sample collected from the large data set. mass of person in kilograms BMI is defined as square of person’s height in metres. Sex Age in years
- June 2019, Paper 2, Q12 (10 marks): The jaguar is a species of big cat native to South America. Records show that 6% of jaguars are born with black coats. Jaguars with black coats are known as bla
- June 2019, Paper 2, Q14 (8 marks): The pre-release material includes data concerning crude death rates in different countries of the world. Fig. 14.1 shows some information concerning crude death
- June 2018, Paper 2, Q14 (9 marks): The pre-release material includes data on unemployment rates in different countries. A sample from this material has been taken. All the countries in the sample
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