Book 1416 Organization of the experiment: Part. : Mathematical statistics, testing statistical hypotheses: studies. Author's Guide and . A. Kashapova and F. R. Kashapova is an important resource for anyone interested in statistics, experimental design and scientific research. This tutorial not only immerses the reader in the theoretical foundations of mathematical statistics, but also offers practical recommendations for the organization of experiments, which makes it indispensable for students, graduate students and practitioners in the field of science and technology. The book covers a wide range of topics related to the organization of the experiment, including sampling, testing statistical hypotheses and data analysis. The authors offer readers not just a set of formulas and theoretical calculations, but also real examples that help to better understand how to apply statistical methods in practice. This makes the manual especially valuable for those who want not only to learn the theory, but also to learn how to use it in real research. Who can like this guide? First of all, it will be useful for students and graduate students studying statistics, mathematics, sociology, psychology, biology and other sciences where data analysis is required. The book will also be of interest to practicing researchers working in various fields, from medicine to the social sciences, who seek to improve their skills in organizing and conducting experiments. Even professionals working in business and marketing will find in this manual useful tips for conducting A/B testing and analysis of consumer preferences. The topics raised in the book are relevant and important in today's world, where data becomes the basis for decision-making in a variety of fields. The authors emphasize the importance of the correct approach to the organization of the experiment, which can significantly affect the results of the study. The book emphasizes that even small errors in the design of the experiment can lead to distortion of the results and incorrect conclusions. Therefore, the understanding and application of statistical methods becomes an integral part of successful scientific work. The style of the authors is distinguished by clarity and accessibility, which makes complex concepts understandable even for those who are just beginning to get acquainted with this topic. and . A. Kashapov and F. R. Kashapov experienced teachers and researchers who know how to convey information to the reader Their previous work is also devoted to statistics and the organization of scientific research, which confirms their expertise in this area. If you are looking for a tutorial that will help you better understand the organization of the experiment and statistical methods, the "1416 Organization of the experiment" will be an excellent choice. This book will not only enrich your knowledge, but also equip you with the practical skills necessary for successful work in scientific research. Do not miss the opportunity to get acquainted with this valuable resource that will help you become a more confident and competent specialist in your field.