-Many data sets and a large number of examples and exercises have been revised and updated with current data.

-Coverage of the confidence interval and hypothesis testing in Chapters 8, 9, and 10 has been updated to base on the “σ known and σ unknown” approach. The hypothesis testing in these chapters is discussed with both approaches-the p-value approach and the critical-value approach.

-Technology sections at the end of each chapter with separate subsections covering the use of Excel, MINITAB, and the TI-84 have been updated. Each section includes step-by-step keystroke instructions and appropriate screen displays. Technology assignments are also provided.

-WileyPLUS.  An online graded homework, course management and tutorial system gives students immediate feedback on their homework, saves instructors grading and course administration time, and walks students through the material step-by-step. 

-Many Uses & Misuses, Case Studies and Miniprojects have been added and old ones have been updated.

- The Standard Normal Distribution Table (now Table IV) has been updated to include cumulative areas from the left. 

-New “Decide for Yourself” feature allows students to apply what they’ve learned and make decisions in real-life scenarios.

-New Chapter 14 on Multiple Regression has been added. This chapter is available on the text’s accompanying website, which can be accessed at: www.wiley.com/college/mann

-Chapter 15 on Nonparametric Methods is now available on the text’s same website.