The Wiley Dictionary of Statistics: Concepts, Definitions, and Terminology provides students, researchers and practitioners with an accessible, definitive, and A to Z resource to use when studying statistics in the social, life, and engineering sciences, reading research reports, and undertaking data analyses. Written by a leading academic in the field of methodology and statistics, the Wiley Dictionary of Statistics is an essential study guide for the first-time researcher as well as a primary resource for more advanced study.