Practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom.
Help for calculus-based statistics, SPSS, Minitab, Excel and other popular technology for stats. There are more than 1000 articles, videos, calculators and tables.
An arm of the Centers for Disease Control and Prevention, this agency collects and distributes statistics on health, diseases, mortality and other topics.