plumiStatistical hypothesis testing: Edexcel A‑Level Maths questions
Every Edexcel A-Level Maths exam question on S.5 Statistical hypothesis testing, 2019–2025, with its mark scheme and examiner’s report.
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All 14 questions on Statistical hypothesis testing, as a list
- June 2025, Statistics, Q3 (6 marks): A manufacturer makes components for the car industry. On average 1.5% of the components made are defective. (a) Using a suitable model, find the probability tha
- June 2025, AS Statistics, Q3 (9 marks): A bag contains red counters, green counters and white counters only. The table shows the proportion of each colour of counter that Elsa believes to be in the ba
- June 2024, Statistics, Q2 (6 marks): Amar is studying the flight of a bird from its nest. He measures the bird’s height above the ground, h metres, at time t seconds for 10 values of t Amar finds t
- June 2024, Statistics, Q4 (6 marks): The proportion of left-handed adults in a country is 10% Freya believes that the proportion of left-handed adults under the age of 25 in this country is differe
- June 2024, AS Statistics, Q4 (8 marks): The random variable X ~ B(27, 0.35) (a) Find (i) P(X = 10) (ii) P(12 X < 15) (3) Historical records show that the proportion of defective items produced by a
- June 2023, Statistics, Q4 (6 marks): A study was made of adult men from region A of a country. It was found that their heights were normally distributed with a mean of 175.4 cm and standard deviati
- June 2023, AS Statistics, Q4 (7 marks): Past information shows that 25% of adults in a large population have a particular allergy. Rylan believes that the proportion that has the allergy differs from
- June 2022, Statistics, Q4 (6 marks): A dentist knows from past records that 10% of customers arrive late for their appointment. A new manager believes that there has been a change in the proportion
- June 2022, Statistics, Q6 (9 marks): Anna is investigating the relationship between exercise and resting heart rate. She takes a random sample of 19 people in her year at school and records for eac
- June 2022, AS Statistics, Q2 (7 marks): A manufacturer of sweets knows that 8% of the bags of sugar delivered from supplier A will be damp. A random sample of 35 bags of sugar is taken from supplier A
- November 2021, Statistics, Q2 (6 marks): Marc took a random sample of 16 students from a school and for each student recorded • the number of letters, x, in their last name • the number of letters, y,
- November 2020, Statistics, Q2 (7 marks): A random sample of 15 days is taken from the large data set for Perth in June and July 1987. The scatter diagram in Figure 1 displays the values of two of the v
- November 2020, Statistics, Q5 (15 marks): A health centre claims that the time a doctor spends with a patient can be modelled by a normal distribution with a mean of 10 minutes and a standard deviation
- June 2019, AS Statistics, Q5 (6 marks): Past records show that 15% of customers at a shop buy chocolate. The shopkeeper believes that moving the chocolate closer to the till will increase the proporti
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