UK · Subject guide
Statistics
A-Level Statistics (Pearson Edexcel 9ST0) — the only current GCE A-Level in Statistics, broader and more applied than the statistics strand inside A-Level Mathematics.
01 · Overview
Statistics
A-Level Statistics (Pearson Edexcel 9ST0) — the only current GCE A-Level in Statistics, broader and more applied than the statistics strand inside A-Level Mathematics.
- Subject guide
- A-Levels
- Topics mapped
- 18
02 · Complete topic map
Complete topic map
Every topic recorded for this subject in the curriculum is reproduced below in its full hierarchy. The descriptions reflect the mapped scope without implying additional exam rules.
- 01
Numerical measures, graphs and diagrams
Summarising data through measures of location and spread, skewness and outliers, and choosing appropriate statistical diagrams.
- 02
Probability
Probability rules, conditional probability and independence, using tree, Venn and sample-space methods.
- 03
Population and samples
Populations versus samples, sampling units and frames, and random and non-random sampling methods.
- 04
Introduction to probability distributions
Discrete random variables, probability functions, and the expectation and variance of a distribution.
- 05
Binomial distribution
Modelling with the binomial distribution, including probabilities, mean and variance.
- 06
Normal distribution
The Normal model, standardisation and finding probabilities under the Normal curve.
- 07
Correlation and linear regression
Scatter diagrams, product-moment and Spearman's rank correlation, and least-squares regression.
- 08
Bayes' theorem
Updating conditional probabilities using Bayes' theorem.
- 09
Probability distributions
Further discrete and continuous distributions, including combining distributions.
- 10
Exponential and Poisson distributions
The Poisson model for counts and the exponential distribution for waiting times.
- 11
Introduction to hypothesis testing
Null and alternative hypotheses, significance levels, critical regions and p-values.
- 12
Sampling, estimates and resampling
Sampling distributions, point and interval estimation, unbiased estimators and resampling.
- 13
Hypothesis testing, confidence intervals and power
Significance testing, confidence intervals and power for one-, two- and paired-sample tests.
- 14
Contingency tables
Chi-squared tests for association and independence in two-way tables.
- 15
One and two sample non-parametric tests
Distribution-free tests, including sign and rank-based tests, for one and two samples.
- 16
Goodness of fit
Chi-squared goodness-of-fit tests against a specified distribution.
- 17
Analysis of variance
ANOVA for comparing means across groups, including effect size.
- 18
Experimental design
Control, randomisation, replication, blocking and treatment comparison in designed experiments.
03 · Where this subject applies
Where this subject applies
These pathways and regions are explicitly connected to the subject in the curriculum.
Pathways and specifications
AS-Level
Advanced Subsidiary — the first year of A-Level study (standalone or first half of the full A-Level).
A-Level (A2)
The full Advanced Level — AS content plus the second-year A2 content.
Nations and regions
All registered regions
04 · Official sources
Official sources
The public sources below are referenced directly by this subject or by one of its topics.
This editorial selection points to the relevant official bodies. Always confirm current requirements, dates and amendments with your school or college and the appropriate awarding organisation.
2
Public references
UK · EuraStudy Guides
Place this subject inside the complete curriculum.
Open the curriculum guide to see every subject and topic, or continue to EuraStudy Summa to begin working with the material.