Edexcel Probability & Statistics 1
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 S1 and prepare for your modular exams.
1. Syllabus
The detailed syllabus structure for Edexcel Statistics 1 (S1) comprises the following topics:
1. Mathematical models in probability and statistics
1.1 Basic ideas of mathematical modelling.
2. Representation and summary of data
2.1 Histograms, stem/leaf diagrams, box plots.
2.2 Measures of location.
2.3 Measures of dispersion.
2.4 Skewness and outliers.
3. Probability
3.1 Elementary and conditional probability.
3.2 Probability rules.
3.3 Independence.
3.4 Sum and product laws.
4. Correlation and regression
4.1 Scatter diagrams and linear regression.
4.2 Explanatory and response variables.
4.3 Product moment correlation coefficient.
5. Discrete random variables
5.1 Concept of a discrete random variable.
5.2 Probability and cumulative distribution functions.
5.3 Mean and variance.
5.4 Discrete uniform distribution.
6. The Normal distribution
6.1 The Normal distribution and cumulative tables.
2. Study Lessons
2.1 Study Notes
Access core study notes and practice worksheets for each subtopic below:
| Subtopic | Revision Notes | Practice Questions |
|---|---|---|
| Data Presentation and Interpretation | ||
| Correlation and regression | Notes | Practice |
| Statistical Measures | Notes | Practice |
| Working with Data | Notes | Practice |
| Probability | ||
| Basic Probability | Notes | Practice |
| Further Probability | Notes | Practice |
| Statistical distributions | ||
| Discrete Random Variables | Notes | Practice |
| Normal Distribution | Notes | Practice |
2.2 Cheat Sheets
Summary cheat sheets and formula revision guides for Edexcel Statistics 1 (S1):
| Topic / Concept | Cheat Sheet (PDF) |
|---|---|
| Ch.1 Data Collection | Cheat Sheet |
| Ch.1 Regression, Correlation and Hypothesis Testing | Cheat Sheet |
| Ch.2 Conditional Probability | Cheat Sheet |
| Ch.3 Normal Distribution | Cheat Sheet |
| Ch.5 Probability | Cheat Sheet |
| Ch.6 Statistical Distributions | Cheat Sheet |
| Ch.7 Hypothesis Testing | Cheat Sheet |
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 1 (S1):
3.1 Practice Question Packs
| Topic / Question Pack | QP/MS |
|---|---|
| Data Collection & Sampling | |
| Large data sets | QP/MS |
| Sampling | QP/MS |
| Statistical Distributions | |
| Discrete Distributions - Binomial | QP/MS |
| Discrete distributions - Binomial | 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 1 Past Papers
Loading past papers...