# RFEI Final Econometrics 10 questions Переводчик Google

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Final standings RFEI Econometrics 10 questions.
Questions:

1. In the seven areas of the Urals
Federal District in 2006 the values of
two signs (Table. 1).

Table 1 - Indicators of territories
Urals Federal District for 2006

Region Average daily costs
purchase wages
one food
GOVERNMENTAL working,
goods of common standard units, X
expenses,%, y
Udmurt
Rep. 68.8 45.1
Sverdlovsk
region. 61.2 59.0
Bashkortostan 59.9 57.2
chelyabinsk
region. 56.7 61.8
Perm region. 55.0 58.8
Kurgan region. 54.3 47.2
Orenburg
region. 49.3 55.2

What kind is given by the equation of linear regression,
characterized by dependence on the cost of buying
of food in total expenditure?
a) yx = 76.88 -0,35h;
b) yx = 47.68 -0,87h;
c) yx = 83.52 - 0.71h.

2. What is the linear coefficient of steam
correlation based on the conditions of the problem 1?
a) rxy = -0,473;
Used) rxy = -0,353;
in) rxy = -0,582.

3. What is the value of the average error
approximation, based on the conditions of the problem 1?
a) A = 8.1%;
b) A = 12.2%;
c) A = 7.8%.

4. What type of model corresponds to a power
Depending on the cost of buying
foodstuffs in general expenses,
based on the conditions of the problem 1?
-0,568
a) yx = 186,5 · x;
-0,381
b) yx = 176,3 · x;
-0,298
a) yx = 189,7 · x.