Explore the foundational theory of linear models with ‘Plane Answers to Complex Questions.’ This comprehensive textbook, perfect for graduate-level study, offers a unified approach to analyzing data using regression and analysis of variance models. Master key concepts like estimation (including Bayesian and biased), significance testing, ANOVA, and regression analysis. The 5th edition expands on crucial topics such as variable selection, diagnostics, and the variance-bias tradeoff, while introducing alternatives to least squares. With abundant exercises and examples, this indispensable guide from Springer Texts in Statistics provides the essential knowledge for understanding and applying complex statistical models. Enhance your data analysis skills with this definitive resource.