Study statistics online free by downloading OpenStax's Introductory Statistics book and using our accompanying online resources.

Learn statistics and probability—everything you'd want to know about descriptive and inferential statistics.

Stanford's "Introduction to Statistics" teaches you statistical thinking concepts that are essential for learning from data and communicating insights. By the end of the course, you will be able …

Oct 3, 2025 · Statistics is a branch of mathematics concerned with collecting, organizing, analyzing, and interpreting numerical data. It is recognized as a distinct scientific discipline due …

The text includes the introductory statistics topics covered in a college-level semester course. An effective index and glossary are included, with functional hyperlinks.

Introduction to Sampling and Data Definitions of Statistics, Probability, and Key Terms Sampling and Data Frequency, Frequency Tables, and Levels of Measurement Experimental Design …

Apr 23, 2025 · Get ready to analyze, visualize, and interpret data! Thought-provoking examples and chances to combine statistics and programming will keep you engaged and challenged.

Aug 16, 2025 · In this section, we discuss the nature of statistics and what one should expect to learn in the introductory statistics course and all the stages of a statistical study.

Learn the fundamentals of statistics, including measures of center and spread, probability distributions, and hypothesis testing with no coding involved!

Intro to statistics with videos and articles from sampling distributions to testing hypotheses and addressing assumptions.