Udacity has two free introductory statistics courses that they recommend prior to starting their AI nanodegree program: Intro to Descriptive Statistics [https:

Udacity has two free introductory statistics courses that they recommend prior to starting their AI nanodegree program: Intro to Descriptive Statistics [https://www.udacity.com/course/intro-to-descriptive-statistics--ud827 https://www.udacity.com/course/intro-to-descriptive-statisti...] Intro to Inferential Statistics [https://www.udacity.com/course/intro-to-inferential-statistics--ud201 https://www.udacity.com/course/intro-to-inferential-statisti...] Khan Academy also has very in-depth coverage of statistics, starting from the basics. https://www.khanacademy.org/math/statistics-probability https://www.khanacademy.org/math/statistics-probability