# Practical statistics and inference

> Learn descriptive statistics, probability, sampling and inference with worked reasoning.

Prerequisites: High-school algebra.

Short self-study course; not an accredited qualification or a complete university syllabus.

## Lessons

- [Descriptive statistics](https://studybrix.com/en/courses/statistics-foundations/free-stat-summary/index.md): university; 8 questions.
- [Probability rules](https://studybrix.com/en/courses/statistics-foundations/free-stat-prob/index.md): university; 8 questions.
- [Sampling and bias](https://studybrix.com/en/courses/statistics-foundations/free-stat-sample/index.md): university; 8 questions.
- [Intervals, tests and uncertainty](https://studybrix.com/en/courses/statistics-foundations/free-stat-infer/index.md): university; 8 questions.