stics and business analytics for aspiring managers, leaders and decision makers who do not need to know all the details of statistical theory and just want real applications and commonsense explanations without a jumble of Greek letters and formulas. The focus is on conceptual understanding, executive-level thinking, statistical self-defense and counterintuitive phenomena that can occur. This textbook, used in the graduate core curriculum at Wharton, Harvard and other business schools, is for an MBA or undergraduate business statistics course and covers data visualization, probability, hypothesis testing, correlation, multiple regression, and includes custom Excel software for stepwise regression. The author Erol Peköz is Professor of Operations and Technology Management in the Boston University Questrom School of Business, and has also been a faculty member in the statistics departments at Harvard University, University of California, Berkeley and University of California, Los Angeles. He is the author of numerous technical articles in probability and statistics, and is the author of the book A Second Course in Probability.