The textbook was created in accordance with the Federal State Educational Standard in the areas of training "Sociology" and "Management" (qualification "bachelor"). The textbook presents materials on methods of descriptive statistics, correlation coefficients, constructing confidence intervals and testing statistical hypotheses, on the normal and Student distribution, point estimation of parameters. The textbook is distinguished by the focus on the professional competencies of sociologists, as well as the presence of examples from the practice of social research. For students of higher education institutions.