A Level Maths
A Level Maths Statistical Estimation Exam Questions
Free A Level Maths exam questions on Statistical Estimation, with full model answers. Covers sampling distributions, estimators/bias, confidence intervals (unbiased estimates, CLT, CIs for mean and large-sample proportion).
Statistical Estimation exam questions
1 question pack of real past exam questions with its mark scheme. Answer every question without notes, then mark your answers line by line against the mark scheme.
About A Level Maths Statistical Estimation
Statistical Estimation is part of Statistics in A Level Maths. These questions suit Cambridge International, Edexcel International and OxfordAQA International A Level Maths students. Answer the pack without notes, then mark every line against the model answers and redo the questions you dropped marks on.
What you need to know
- Sampling distributions Distribution of the sample mean.
- Unbiased estimates For mean and variance.
- Confidence intervals Using the normal distribution.
Common mistakes in Statistical Estimation
- Using n instead of n − 1 for variance.
- Wrong z value.
Try two Statistical Estimation exam-style questions
1. Give the z value for a 95% confidence interval. (1 mark)
Show the mark scheme answer
1.96
2. Why use n − 1 for the variance estimate? (1 mark)
Show the mark scheme answer
It gives an unbiased estimate
Statistical Estimation FAQs
Which exam boards include Statistical Estimation?
These questions suit Cambridge International, Edexcel International and OxfordAQA International A Level Maths.
Is Statistical Estimation pure, mechanics or statistics?
Statistical Estimation is part of Statistics.
How should I use these Statistical Estimation questions?
Answer every question without notes, then check each line against the model answers and redo any you got wrong.
