The book “Fundamentals of Correlation-Regression and Dispersion Analysis” edited by Vladimir Selyutin is an indispensable resource for everyone who seeks to understand statistical methods and their application in various fields of science and practice. This work is not just a textbook, but a full-fledged guide to the complex but fascinating topics of correlation and regression analysis, as well as dispersion analysis, which play a key role in the modern research process. What is correlation-regression analysis? It is a powerful tool that allows you to investigate the relationships between variables and predict the values of one variable based on another. Dispersion analysis, in turn, helps to understand how different factors influence the results and how significant these effects are. Selyutin’s book covers all these aspects, providing readers with clear explanations and practical examples that make complex concepts accessible even to beginners. This book will be of interest to a wide range of readers: from undergraduate and graduate students studying statistics and econometrics, to practitioners in the field of sociology, psychology, medicine and business .. If you want to learn how to analyze data, identify patterns and draw reasonable conclusions, then this publication will become your reliable assistant. Even if you do not have deep knowledge in mathematics, the book is written in such a way that everyone can find useful information in it and put it into practice. The topics raised in the book are more relevant than ever. In today's world, where data is the basis for decision-making, the ability to work with them is not just a skill, but a necessity. Selyutin and his team of authors emphasize the importance of qualitative data analysis, which avoids common errors and misunderstandings. The book also touches on the interpretation of the results, which is a key point in any research activity. The style of presentation of the authors is clear and logical. Each chapter is structured so that the reader can gradually immerse himself in the material, starting with the basics and gradually moving to more complex concepts. Examples from real practice and tasks for self-decision make the learning process not only effective, but also fascinating. In addition, the book presents modern software tools that will help readers to apply the knowledge gained in practice. Vladimir Dmitrievich Selyutin is a well-known specialist in the field of statistics and data analysis, the author of many scientific works and textbooks . His experience and in-depth knowledge in this area make this book particularly valuable. If you are familiar with his other works, such as Statistical Methods in Economics or Econometrics, you know that his works are always of high quality and relevance. Thus, “Fundamentals of correlation-regression and dispersion analysis” is not just a book, but a whole world of knowledge that will open up new horizons for you. If you want to become a master of data analysis, learn to draw informed conclusions and make the right decisions based on facts, then this publication will be a real find for you. Do not miss the chance to immerse yourself in the fascinating world of statistics and discover new opportunities that it provides.