As a former data scientist, there is no question I get asked more than, “What is the best way to learn statistics?” I always give the same answer: Read An Introduction to Statistical Learning. Then, if you finish that and want more, read The Elements of Statistical Learning. These two books, written by statistics professors at Stanford University, the University of Washington, and the University Southern California, are the most intuitive and relevant books I’ve found on how to do statistics with modern technology... You can download them for free.
We'd also recommend supplementing these resources (both now available in our collection of Free Math Textbooks) with video-based classes found on our list of Free Math Courses, a subset of our big collection, 1,500 Free Online Courses from Top Universities.
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