．30% of more than 1,200 exercises are updated. Most are based on contemporary business-related studies and use real data, and they foster and promote critical thinking skills. Some simpler exercises with smaller datasets are provided in the first few exercises in the “Applying the Concepts–Basic” sections.
．New Statistics in Action and Making Business Decisions cases help students apply the concepts to the real world. Five of the fourteen Statistics in Action cases are new, each based on real data from a recent business study. The authors have also added a new Making Business Decisions case after Chapter 12. (These were titled Real-World Case in previous editions.)
．Ethics in Statistics discussions have been added in every chapter to emphasize the importance of ethical behavior when using statistics to collect, interpret, and report on data. These boxes provide students with reminders of how to apply sound statistical methodology and to recognize when unethical practices are employed
