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Final standings RFEI Econometrics 10 questions
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Final standings RFEI Econometrics 10 questions
Answers to the 10 questions in the form of a table.
A separate file containing all the questions.
3 The first question:
1.Po seven territories of the Urals Federal District in 2006 the values of
two traits (Table. 1) ...
....
What kind of a linear regression defined by the equation,
characterizing the dependence of expenditure on purchase
of food in total expenditure?
a) yh = 76.88 -0,35h;
b) yx = 47.68 -0,87h;
c) yx = 83.52 -0,71h.
2.Chem is a linear correlation coefficient based on the conditions of the problem 1?
a) rxy = -0,473;
b) rxy = -0,353;
in) rxy = -0,582.
3. What is the value of the average error of approximation, based on the conditions of the problem 1?
a) A = 8.1%;
b) A = 12.2%;
c) A = 7.8%.
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