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...
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