- Edexcel/S3
Central Limit Theorem Visualizer
Interactive visualization demonstrating how sample means tend toward a Normal distribution as sample size grows.
- Edexcel/S2
Hypothesis Testing Practice & Simulator
Learn the definitions of null and alternative hypotheses, simulate hypothesis tests using Binomial and Poisson distributions, and test your understanding with concept quizzes.
- Edexcel/S2
Sampling Distribution of Sample Mean
Visualize how X̄ distributes across repeated samples from Uniform, Binomial, and Poisson populations. Discover E(X̄)=μ and Var(X̄)=σ²/n through live animation and simulation.