This text is the 12th edition of STATISTICS FOR BUSINESS AND ECONOMICS.With this edition we welcome two eminent scholars to our author team: Jeffrey D. Camm of the University of Cincinnati and James J. Cochran of Louisiana Tech University. Both Jeff and Jim are accomplished teachers, researchers, and practitioners in the fields of statistics and business analytics. Jim is a fellow of the American Statistical Association. You can read more about their accomplishments in the About the Authors section which follows this preface. We believe that the addition of Jeff and Jim as our coauthors will both maintain and improve the effectiveness of Statistics for Business and Economics.

商业统计第12版经济学本版我们欢迎两位著名学者加入我们的作者团队：辛辛那提大学的杰弗里·D·卡姆和路易斯安那理工大学的詹姆斯·J·科克伦。Jeff和Jim都是商业和分析领域的专家和实践者。吉姆是美国统计协会的会员。你可以在这篇序言后面的“关于作者”一节中了解更多关于他们的成就。我们相信，加入杰夫和吉姆作为我们的合著者将保持和提高商业和经济统计的有效性。