Beginner 45 hours English Completion CertificateFREE
Editor's Pick
The statistics foundation almost every applied data course assumes you already have — free, mastery-based, and rigorous.
About this course
Khan Academy's Statistics and Probability course is one of the most widely used free math resources in the world, covering descriptive statistics, probability theory, distributions, inference, and regression through short videos paired with mastery-based practice exercises. Unlike a video-only course, Khan Academy tracks mastery per skill and won't let you move on until you've demonstrated understanding, which produces more durable learning than passive video watching.
This is the math foundation underneath virtually every data science, analytics, and machine learning course in this catalog — concepts like p-values, confidence intervals, and standard deviation that get used but not always re-explained in applied courses. It's commonly used as a prerequisite refresher before tackling more applied courses like Google's Data Analytics Certificate or DataCamp's statistics tracks.
What you'll learn
Calculate and interpret measures of central tendency and spread
Understand probability theory and common distributions
Conduct hypothesis tests and interpret p-values correctly
Build and interpret confidence intervals
Understand basic linear regression and correlation
This course includes
45h
On-demand video
Yes
Mobile access
English
Language
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Instructor
KA
Khan Academy
Khan Academy instructor
8M+ learners60 courses4.8 instructor rating
Produced by Khan Academy, a nonprofit educational organization providing free, high-quality education to anyone, anywhere, with content used by hundreds of millions of learners worldwide.
Requirements
Basic algebra
No prior statistics knowledge required
Who this course is for
Anyone preparing for a data science or analytics career who needs the statistics foundation
Students supplementing formal coursework with extra practice
Self-learners who find applied data courses move too fast on the underlying math
About this provider
KA
Khan Academy
Non-profit free education platform. World-class education for anyone, anywhere.
It's the right foundation, but most data analyst roles also expect you to apply statistics in tools like SQL, Excel, or Python — pair this with an applied course like Google's Data Analytics Certificate for job readiness.
Khan Academy is entirely free with no certificate, and uses mastery-based practice (you must demonstrate understanding before advancing) rather than a fixed video-and-quiz structure. It's a strong foundation but doesn't carry a credential for resumes.
Roughly 45 hours of content, though pacing is entirely self-directed and most learners spread it over several months alongside other study.