Statistics, option 1

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Task 1
The essence of statistical research. Stages of the study and their characteristics.

Task 2
According to Table 1 to determine the dynamics (to the previous quarter) and the structure of the volume of services sold in a quarterly breakdown. The results are displayed with the help of the bar and pie charts.
Table 1. The volume of services sold in the quarterly breakdown.
Performance During the year, including quarterly
1 2 3 4
The volume of services sold 1005 250 275 220 260

Activity 3
Determine the average monthly salary of employees and performance variations based on the data.
Wages 1 employee, ths. Rub. 5 5-7 7-9 More than 9
The number of employees, people. May 8th June 3

Task 4
On the basis of the table data to define:
1) the type of dynamic range and average series.
2) chain and a number of basic absolute increases.
3) chain and the basic rate of absolute growth and growth.
4) the absolute value of a 1% increment.
Years 1997 1998 1999 2000 2001
The population at the beginning of the year, mln. People. 147.1 146.7 146.3 145.6 144.8

Task 5.
On the basis of the table data to determine the overall index:
1) the value of products.
2) the physical volume of production
3) pricing and increase (or decrease) the value of products due to price changes.
Table. The performance of the organization for the current year
Other products Unit price, ths. Rub. Number of products
1st half 2nd half 1st half 2nd half
A 70 73120132
B 55 54 78 81


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