INDIVIDUAL TASK of
the course "Statistics"
Part 1
According to a statistical survey conducted by the companies that are listed in Table. 1, perform the following tasks:
1. Make a grouping of enterprises in terms of exports (form 4 groups with equal intervals) and ownership. Characterize each group.
2. Make analytical grouping of companies by finding the relationships between the volume of investment and the amount of profit.
3. Make grouping of enterprises by branch purpose of investment. Characterize each group of businesses by the amount of enterprises and the volume of investment (in general and in % to the total).
4. Make the grouping of companies by the degree of investment risk. Characterize each group by the amount of businesses and average volume of investments.
5. Portray graphically the grouping of enterprises in terms of exports as a histogram.
The results of groupings are to be presented in the form of statistical tables.
Part 2
On the basis of the grouping done in p. 2, part 1,determine for the factor variable:
1. Mean, mode and median.
2. Indicators of variation (dispersion, standard deviation, coefficient of variation).
Table 1
Foreign economic activity of enterprises in Ukraine, 2006 (conditional data)
№ of enterprise | Form of ownership | The volume of investments, thsd. USD | Sectoral destination of investments | Level of investment risk | The volume of export, thsd. USD | Profit, thsd. USD |
Joint | Agriculture | High- risk | ||||
Foreign | Industry | Medium-risk | ||||
State | Trade | Low- risk | ||||
Private | Transport | Medium-risk | ||||
Joint | Services | Medium-risk | ||||
Foreign | Industry | Low- risk | ||||
State | Industry | Low- risk | ||||
Private | Science | High- risk | ||||
Joint | Industry | Medium-risk | ||||
Foreign | Trade | Low- risk | ||||
State | Transport | Low- risk | ||||
Private | Science | Low- risk | ||||
Joint | Industry | High- risk | ||||
Joint | Agriculture | Medium-risk | ||||
Foreign | Agriculture | Low- risk | ||||
State | Industry | Low- risk | ||||
Private | Trade | High- risk | ||||
Joint | Transport | Medium-risk | ||||
Private | Services | Low- risk | ||||
Joint | Industry | Medium-risk |
METHODS OF THE ACTIVISATION OF THE LEARNING PROCESS
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To activate teaching of students those methods are applied:
o Problem lectures with the use of mode "questions and answers";
o Оn the practical classes work in small groups.
They are aimed at strengthening of the independence of each student in solving problems and responsibility for the accuracy of the results.
THE SYSTEM OF CURRENT AND FINAL CONTROL