Compiled in accordance with the standard curriculum of the course "Theory of Statistics." It contains a brief overview of the basic concepts of the general theory of statistics, grouping of statistical data, absolute, relative and average values, statistical distributions, selective observation, series of dynamics, indices and their use in economic and statistical research, etc. Typical examples with solutions and tasks (with answers) on the studied material, as well as recommendations to teachers are presented. The appendices provide the mathematical and statistical tables necessary for solving problems. For teachers, graduate students, students of economic universities, managers, students of special faculties of second higher education.