Econometrics: Problem 0003
Replenishment date: 29.12.2014
Content: econometrika_zadacha3.zip (138.84 KB)
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Description
For the territories of the region, data are given for 199X.
Region number: 1 2 3 4 5 6 7 8 9 10 11 12
The average per capita subsistence level in
day of one able-bodied person, rubles, x: 83 80 87 79 106 111 67 98 73 87 86 115
Average daily wages, rubles, y: 133 148 140 154 162 195 139 158 152 162 146 173
Required:
1. Construct a linear equation of paired regression y in x.
2. Calculate the linear pair correlation coefficient, the determination coefficient and the average approximation error.
3. To evaluate the statistical significance of the regression equation as a whole and individual parameters of regression and correlation using F - Fisher's test and Student's t-test.
4. To carry out the forecast of wages y at the predicted value of the average per capita subsistence minimum x, which is 107% of the average.
5. Assess the forecast accuracy by calculating the forecast error and its confidence interval.
6. On one graph, postpone the initial data and the theoretical line.
7. Check the calculations in MS Excel.
Region number: 1 2 3 4 5 6 7 8 9 10 11 12
The average per capita subsistence level in
day of one able-bodied person, rubles, x: 83 80 87 79 106 111 67 98 73 87 86 115
Average daily wages, rubles, y: 133 148 140 154 162 195 139 158 152 162 146 173
Required:
1. Construct a linear equation of paired regression y in x.
2. Calculate the linear pair correlation coefficient, the determination coefficient and the average approximation error.
3. To evaluate the statistical significance of the regression equation as a whole and individual parameters of regression and correlation using F - Fisher's test and Student's t-test.
4. To carry out the forecast of wages y at the predicted value of the average per capita subsistence minimum x, which is 107% of the average.
5. Assess the forecast accuracy by calculating the forecast error and its confidence interval.
6. On one graph, postpone the initial data and the theoretical line.
7. Check the calculations in MS Excel.
Additional Information
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