Final test RFEI Econometrics 10 questions
Replenishment date: 03.04.2010
Content: ekonometrika_10_voprosov.rar (14.97 KB)
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Description
Final standings RFEI "Econometrics".
Answers to 10 questions are given, in the form of a table.
A separate file contains all the questions.
Here are the first three questions:
1.In seven territories of the Ural
federal district for 2006 the values are known
two signs (Table 1) ...
...
What kind of linear regression equation is specified,
characterizing the dependence of purchase costs
food items in total spending?
a) yx = 76,88 -0,35x;
b) y = 47,68 -0,87x;
c) y = 83,52 -0,71x.
2.What is the linear coefficient of the pair
correlation based on the condition of problem 1?
a) rxy = -0,473;
b) rxy = -0,353;
c) rxy = -0,582.
3. What is the mean error
approximation based on the condition of problem 1?
a) A = 8,1%;
b) A = 12,2%;
c) A = 7,8%.
...etc...
Answers to 10 questions are given, in the form of a table.
A separate file contains all the questions.
Here are the first three questions:
1.In seven territories of the Ural
federal district for 2006 the values are known
two signs (Table 1) ...
...
What kind of linear regression equation is specified,
characterizing the dependence of purchase costs
food items in total spending?
a) yx = 76,88 -0,35x;
b) y = 47,68 -0,87x;
c) y = 83,52 -0,71x.
2.What is the linear coefficient of the pair
correlation based on the condition of problem 1?
a) rxy = -0,473;
b) rxy = -0,353;
c) rxy = -0,582.
3. What is the mean error
approximation based on the condition of problem 1?
a) A = 8,1%;
b) A = 12,2%;
c) A = 7,8%.
...etc...
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