Econometrics - control option 2 FINEC

Problem 1. On 10 enterprises producing products "A" study the dependence of the unit cost of production (y - monetary units) of production volumes (x - thousand units).
Objective 2. 30 companies in the region studied the dependence of electricity consumption (y tys.kvt.chas) on employment (- people), the volume of production of "A" (- thousand units) and product "B" (- tys.edinits ). We obtained the following results:
Problem 3. Suppose we have the following model, based on 10 observations:
Task 4. Dynamics of the turnover of food products in Russia in 2003 are as follows:
1. Determine the autocorrelation coefficient of the first order and give its interpretation.
2. Construct a linear equation of the trend. Give interpretation parameters.
3. Using the Durbin-Watson test to draw conclusions about the autocorrelation in the residuals in this equation.
4. Give the interval forecast turnover of food products in January next year.
Task 5. The dependence of their own cars per 1,000 people (- shares) from the real incomes of the population (-% by 1996), the following data: