This book provides practitioners with the tools necessary to utilize the Weibull distribution for modeling, analysis, and problem solving. The presentation is simple, mathematical theory is minimal, and step-by-step examples are used to illustrate each technique.This book is for both the novice and the experienced engineer or statistician. The second edition has an added chapter about data sets with few or no failures and a discussion of test design and an algorithm for financially optimizing durability tests. The book comes with a CD-ROM which includes solutions to most of the examples in the text.