RFEI Statistics IT Exam 100 + offices Issues 10 Problem

100 questions and RFEI "Statistics":
1. Statistics - is:
a) The science dealing with the collection and processing of various types of information;
b) special mathematical methods of analysis of the various phenomena;
c) a special section of mathematics.
2. What is the task of statistical observation?
a) primary treatment, a summary and synthesis of data;
6) grouping of data;
c) the collection of massive data of the phenomenon.
3. National Population Census in 2002 - is:
a) statistical reporting;
b) specially organized continuous surveillance;
c) the questionnaire method of statistical observation.
4. What do you call a list of issues on which information must be received during the monitoring?
a) The statistical forms;
b) The program of statistical supervision;
c) calendar-thematic plan of observation.
100. What is the main task of specialists - actuaries?
a) the development of innovative projects;
b) measurement of risk;
c) the creation of a psychological climate in the companies.
Objective 1
The company "Scarlet Sails" employs 20 employees. The staffing firm is a table 1.
Table 1
Number
Surname
Position
Salary (RUR).
1Berezin NM
Director
40000
2
Krupin AS
Zam. director
36000
3
Borovykh GD
Early. Department
28000
4
Apalkov EP
Early. Department
28000
5
Mikheev AN
Early. Department
28000
6
Ustyuzhin GO
Early. Department
28000
7
Fedotin AV
Vedas. specialist
22000
8
Samsonov EE
Vedas. specialist
22000
9
Ageev NL
Vedas. specialist
22000
10
Belov SP
Vedas. specialist
22000
eleven
KP Mosolov
Specialist
18000
12
Avdeeva GT
Specialist
18000
13
Wide VI
Specialist
18000
14
NA Mikhailov
Specialist
18000
15
Volodin SP
Specialist
18000
16
Schetinin EK
Specialist
18000
17
Knyazev MI
Specialist
18000
18
Gordeeva OT
Specialist
18000
19
Soshnikov PI
Specialist
18000
20
VI Druzhinin
Specialist
18000
Required:
The monthly wage fund at the company.
The average salary of the company.
The coefficient of variation for the average wage (the result rounded to the nearest hundredth).
The number of indicators that can participate in a grouping variable "salary."
Task 2
Your firm "audit" has been providing a wide range of audit services.
Table 2 presents figures showing the receipt of revenue from providing the services in the past six months.
table 2
Month
Revenues (mln. Rub.)
January
12
February
15
March
2.2
April
2.6
May
3.4
June
18
Required:
2.1. average monthly revenue for the half year (the result (mln. rub.) rounded to thousandths);
2.2. the absolute deviation of the amount of revenue in June, compared to the same period;
2.3. the relative deviation of the amount of revenue in June, compared to the same period;
2.4. the average growth rate;
2.5. the average monthly growth rate for the half year;
2.6. predict your revenue (demand for your services) in the month of July using the average growth rate (outcome (mln. rub.) rounded to thousandths).