are from the Second Edition or our other new books. The OpenIntro project was founded in 2009 to improve the quality and availability of education by producing introductory books and teaching tools that are free to use and easy to modify. Together with the statistics education community, OpenIntro hopes to lead a growing movement in open source education. Our inaugural effort is OpenIntro Statistics. The Preliminary Edition of OpenIntro Statistics, used by early adopters at Harvard and Princeton, has given way to the official First Edition. With over 100 pages of new content, the First Edition delivers an array of additional topics, including data collection, chi-square testing, and multiple regression. While the book has expanded, our core philosophy remains the same. Probability is optional, simulation is key, and we feature real data whenever possible. Most importantly, files for the entire book are still freely available at openintro.org, and anybody can purchase a paperback copy from amazon.com for under $10. The future for OpenIntro depends on the involvement and enthusiasm of our community. Visit our new website, openintro.org. The site offers free course management tools that include an online question bank, utilities for creating course quizzes, and other supplemental resources.

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