1. Using the abbreviations RSS (SSR; ESS; SSE) denote
2. Coefficients of "pure" regression characterize
3. Allocate such types of models as
4. If the variables are in a linear relationship, then they
5. A number equal to the mathematical expectation of the square of the deviation of a random variable from its mathematical expectation is called
6. The variance of the sum of two variables differs from the sum of the variances of these variables by an amount equal to
7. Two-phase linear regression is also called
8. Models with a qualitative dependent variable are characterized by the fact that
9. Economic Values ​​of Reserve Type
10. What is the relation between three sums of squares?
11. The types of models include
12. Models in which the variable under study is discrete and of a non-numeric nature is called
13. The model is adequate to the original object, if it is
14. The types of extensive economic values ​​are
15. One of the methods for correcting statistical inferences for the inhomogeneity of error variances is to use
16. Economic quantities that have units of measurement and aggregation of which are carried out by the usual addition are called
17. If the number of structural coefficients is greater than the number of reduced coefficients and, therefore, the structural coefficients can not be estimated through the coefficients of the reduced form of the model, then
18. Coefficient of partial correlation
19. Economic quantities that do not have units of measurement, but can only have a certain dimension and are aggregated by calculating weighted averages, is called
20. What functions are used to build trends?
21. The method of least squares is satisfied for the model
22. Statistical indicator-observation
23. The autocorrelation function of the time series is
24. Economic magnitude
25. What kinds of models exist?
26. The number of periods by which the autocorrelation coefficient is calculated is called
27. If the number of structural coefficients is less than the number of reduced coefficients and, therefore, on the basis of the reduced coefficients, it is possible to obtain two or more values ​​of one structural coefficient, then
28. Econometrics
29. The problem of minimizing the sum of squares of deviations in the transformed model is equivalent to
30. An object of any nature that is created by the researcher in order to obtain new knowledge about the original object and reflects only the essential properties of the original is called
31. The process of constructing, studying and applying models is
32. A set of methods for analyzing the relationships between various economic indicators (factors) based on real statistics using the apparatus of probability theory and mathematical statistics is
33. The rule "if for the exogenous and endogenous variables absent in it, one can obtain from the coefficients for them in other equations of the system a matrix whose determinant is not equal to zero, and the rank of the matrix is ​​not less than the number of endogenous variables in the system without one" is
34. The model is an object of any nature that
35. Homoscedasticity of errors means
36. For intensive economic values, it is characteristic that
37. The simplest indicators characterizing sequences are their
38. Least squares estimates are
39. Variables, the values ​​of which are formed in the process and within the functioning of the analyzed socio-economic system to a significant extent under the influence of exogenous variables and in interaction with each other, are called
40. The coefficients used in econometric modeling are not
41. A system in which the same dependent variables in one equation enter the left-hand side, and in the other equations-the right-hand side, is called
42. What types of models exist?
43. The closer to zero the determinant of the matrix of inter-factor correlation, the
44. What types of statistics ex