Statistics RFEI All 3 works

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Statistics All 3 papers (Self-study, Workshop, Final examination) RFEI

Statistics: Control practical work (2 tasks from several tasks)

Task 1
   The company "Scarlet Sails" employs 20 people. The staffing table of the firm is presented in Table 1 ...
It is required to determine:
1.1. Monthly payroll at the firm;
1.2. Average salaries of the firm´s employees;
1.3. The coefficient of variation for the average wage (the result is rounded to the nearest hundredth);
1.4. Number of indicators that can participate in the grouping attribute "salary".
Task 2
   Your company "Scarlet Sails" is engaged in providing a wide range of audit services.
Table 2 shows the figures that indicate the receipt of revenues from the provision of the above services, for the past six months.
It is required to determine:
2.1. The size of the average monthly revenue for the half year (the result (million rubles) rounded to the thousandth);
2.2. The absolute deviation of the proceeds in June in comparison with its size in January;
2.3. Relative deviation in revenue in June, compared with its size in January;
2.4. Average monthly growth rate of revenue;
2.5. Average monthly growth rate of revenue for half a year;
2.6. To forecast your revenue (demand for your services) for July with the help of the average growth rate (the result (million rubles) rounded to the thousandth).

Independent work is represented by two types of tasks.
Tasks of the first type relate to the independent study of one chapter of the electronic textbook on the course "Statistics" and answers to 10 test questions at the end of this chapter.
Tasks of the second type are aimed at finding materials on a particular topic on the ROSSTAT website and processing these materials.

Statistics final exam

1. Statistics are
A) science dealing with the collection and processing of various kinds of information;
B) special mathematical methods for analyzing various phenomena;
C) a special section of mathematics.

2. What is the task of statistical observation?
A) primary processing, summary and generalization of data;
B) grouping of data;
C) collection of mass data on the phenomenon being studied.

3. The All-Russian Population Census in 2010 is:
A) statistical reporting;
B) specially organized continuous observation;
C) questionnaire method of statistical observation.

4. What is the list of questions on which information should be obtained in the course of observation?
A) a statistical form;
B) a program of statistical observation;
C) calendar-thematic observation plan.

5. Mathematics in statistics is:
A) a section that allows performing mathematical calculations;
B) probability theory and mathematical statistics;
C) research tool.
99. What should be the percentage of staff turnover in enterprises and companies under normal conditions?
A) not exceed 8%;
B) not more than 4%;
C) less than 6%.

100. What is the main task of specialists - actuaries?
A) development of innovative projects;
B) risk measurement;
C) the creation of a psychological microclimate in companies.


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