Edexcel Probability & Statistics 2
Pearson Edexcel International Advanced Level (IAL) Mathematics
Welcome, students! This academic portal provides unit-specific study materials, syllabus outlines, and exam revision resources to help you master S2 and prepare for your modular exams.
1. Syllabus
The detailed syllabus structure for Edexcel Statistics 2 (S2) comprises the following topics:
1. The Binomial and Poisson distributions
1.1 Binomial and Poisson distributions.
1.2 Mean and variance.
1.3 Poisson approximation to binomial.
2. Continuous random variables
2.1 Concept of a continuous random variable.
2.2 PDF and CDF.
2.3 Relationship between density and distribution.
2.4 Mean and variance.
2.5 Mode, median and quartiles.
3. Continuous distributions
3.1 Continuous uniform distribution.
3.2 Normal approximations.
4. Hypothesis tests
4.1 Population, census and sample.
4.2 Statistic and sampling distribution.
4.3 Null and alternative hypotheses.
4.4 Critical region.
4.5 One-tailed and two-tailed tests.
4.6 Tests for binomial and Poisson distributions.
2. Study Lessons
2.1 Study Notes
Access core study notes and practice worksheets for each subtopic below:
| Subtopic | Revision Notes | Practice Questions |
|---|---|---|
| Hypothesis testing | ||
| Hypothesis Testing | Notes | Practice |
| Sampling distributions and introduction to hypothesis testing | Notes | Practice |
| Statistical distributions | ||
| Binomial Distribution | Notes | Practice |
| Continuous Random Variables | Notes | Practice |
| Cumulative Distribution Function | Notes | Practice |
| Modelling with Distributions | Notes | Practice |
| Poisson Distribution | Notes | Practice |
3. Practice Questions
Topical worksheets with Question Papers (QP) & Mark Schemes (MS) alongside single-file Practice Question Packs (QP/MS) organized by official syllabus topics for Edexcel Statistics 2 (S2):
3.1 Practice Question Packs
| Topic / Question Pack | QP/MS |
|---|---|
| Data Presentation & Summary | |
| Data Presentation and Interpretation | QP/MS |
| Probability | |
| Probability | QP/MS |
| Statistical Distributions | |
| Hypothesis Testing - Tests on Binomial | QP/MS |
| Normal distribution | QP/MS |
| Correlation & Linear Regression | |
| Regression and Correlation | QP/MS |
4. Topical Past Paper Questions
Actual exam questions classified by topic (with detailed mark schemes) will be integrated in this section. This will allow you to practice exam-style questions specifically on the areas you need to improve.
5. Past Papers Bank
Search and filter official past exam papers. Use the control panel below to filter by year and variant:
Edexcel Probability & Statistics 2 Past Papers
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