David S. Moore's name has come to stand for exceptional clarity and innovation within statistics textbooks, praised by students and instructors worldwide. The fourth edition of The Basic Practice of Statistics continues this trend by excelling both in presentation, features and pedagogy. A new 4-step process gives students the tools to solve complex problems and relate them to the real world. This fourth edition contains a CD ROM and is also complemented by StatsPortal, one of the most advanced web-based supplements currently available.