# Econometrics Synergy tests with answers

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## Description

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The remainder in the i-th observation is the difference between the meanings ...
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variable Y in the ith observation and the predicted value of this variable obtained from the true regression line
explanatory variable in the ith observation and the predicted value of this variable
variable Y in the i-th observation and the predicted value of this variable obtained from the sample regression line

If the absolute value of the linear coefficient of correlation is close to zero, then ...
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in linear form, the relationship between the variables is weak
the connection between the variables is weak
the connection between the variables is strong

The model specifications will be understood ...
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finding the parameters of the equation
selection of factors affecting the result and the choice of the type of equation
statement of the problem and obtaining data to solve it

The rank of the identity of a large-sized armenia is…
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systems minus one
equations
the system

The null hypothesis when checking the coefficient of equation of regression on a static value is said that
...
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coefficient estimate is zero
coefficient value is zero
positive coefficient estimate

Estimates of the coefficients of a classic model obtained by using the least-priced method have ...
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only property of effectiveness
properties of immobility, consistency and effectiveness
only solvency property

Stationary ...
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there is a constant and a variable
happens high and low
can be considered narrowly and broadly

Homostaticity means ...
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lack of correlation between the random term and the explanatory variables of the regression model
lack of autocorrelation of a random member of the regression equation
constancy of variance of a random term in the regression equation

The availability of auto-tracking residuals can be found using statistics ...
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Fisher
Student´s
Darbin-watson

As a result of a compo- nent analysis of the time series, it cannot be obtained ... model
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structural
additive
steam regression

When building models, it is recommended that the number of samples exceeded the number of factors by no less than ...
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ten times
three times
twice

The two-step MNK is not applicable if the adjustment is ...
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identifiable
unidentifiable
overidentifiable

Effective assessment is an assessment, ...
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whose mathematical expectation is zero
the dispersion of which is zero
the variance of which is minimal in some class of unbiased estimates

About the presence of multicollearnost not see the fact that ... are close to one
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some pair correlation coefficients among explanatory factors modulo
multiple determination coefficients of some explanatory factors with the rest
pair correlation coefficients of the resulting attribute with each of the explanatory modulo

The component of the temporary range reflecting the influence of the constantly acting factors is…
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the trend
cyclic component
seasonal component

The coefficient for the indivisible variable in the linear linear equation of regression shows ...
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percent change in the dependent variable with a one percent change in the independent variable
change of result with change by one unit of an independent variable
average change in result with a change in factor of one unit

For the lack of autocompilation of residuals, it is characteristic ...
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constancy of the mathematical expectation of residues

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