Econometrics. Control. tasks.

The seller is blocked and sales of the product are suspended

Exercise 1
According to the proposed sample observations resultant variable y and Faculty tory signs of x1, x2, x3 is required by a factor of correlation analysis to select attributes for the construction of two-factor model and a belt-string choice.
Dana table.
Task 2
The survey results are statistically homogeneous ten business units are shown in the table below:
.......
Requires:
a) build a model of Simple Linear Regression performance true-yes assets-factor, to determine the regression coefficient, dis-count pair correlation coefficient to assess the closeness of correlation to find the coefficient of determination, elasticity coefficient and beta coefficient; explain the meaning of all economic factors;
b) build a model of multiple linear regression on the productivity and power availability fondo- factors to find all correlation coefficients and determination, elasticity coefficients and β-coefficients, explain the meaning of all economic factors.