20% New and Updated Examples
These new examples fit seamlessly in the text, bringing in contemporary topics and helping students understand basic concepts. Examples include:
- Expanded explanation of standard deviation in Chapter 5: Exploring Data: Distributions, including new Example 5.10 addressing stock and mutual fund performance over the last decade.
- Revised coverage of the Hare System in Chapter 9: Social Choice, including a new Example.
- Revised coverage of Apportionment, The Hamilton Method, and Divisor Methods (including the addition of d’Hondt’s Method), including new examples throughout Chapter 14: Apportionment
20% New and Updated Exercises and 33% More "Skill Check" Questions
The end-of-chapter exercise sets in the new edition offer a range of fresh assignments and applications. When appropriate, each set is designated as a challenging question or a discussion-based question. Also, each chapter now concludes with a set of 30 (vs. 20 previously) multiple choice and fill-in-the-blank "Skills Check" questions, providing more opportunity for students to "check" their knowledge before moving in to the chapter exercises.
New "Algebra Review" Boxes
The Ninth edition addresses the need among students for extra help with basic math skills (a common frustration with this course) by offering brief algebra reviews at appropriate points in the text.
Online Teaching and Learning Support
MathPortal for For All Practical Purposes, Ninth Edition—an easy-to-use, fully customizable online course space combining a fully interactive eBook, all student learning resources, and a wide range of assessment, homework, and course management features. Learn more by clicking on the "media/supplements" tab.