Question 1

Data, which are initially collected are called:

Select one or more:

a.

secondary data

b.

raw data

c.

primary data

d.

tertiary data

e.

processed data

Question 2

What information is necessary to characterise statistical data?

Select one or more:

a.

variation

b.

phenomena (name)

c.

frequency

d.

unit

e.

time

f.

location

Question 3

Collection of primary data has to be:

Select one:

a.

Complete, timely, correct and with the lowest costs

b.

Incomplete, timely, correct and with the lowest costs

c.

Comprehensive, timely, incorrect and with the lowest costs

d.

Comprehensive, timely, precise and with the highest costs

Question 4

In attributive distribution orders:

Select one:

a.

Such distribution orders do not exist

b.

Attributive data are used to determine observations

c.

Numerical values are used to determine observations

d.

Mixed information is used to determine observations

Question 5

How are cells of the table filled, if the value in the cell is logically impossible?

Select one:

a.

...

b.

-

c.

0.0

d.

x

Question 6

Territorial graphs:

Select one:

a.

Show relationships between phenomena

b.

Show development during time

c.

Compare different objects or phenomena

d.

Characterize location and intensity of territories

e.

Control implementation of plans

Question 7

Relative indicators of dynamics as relative growth are calculated by:

Select one:

a.

dividing value in one time period by the value of the same indicator in the future period

b.

dividing value in one time period by the value of the same indicator in the base period expressed in percentage

c.

dividing value in one time period by the value of the same indicator in the base period

d.

dividing value in one time period by the value of the same indicator in the next period

Question 8

Relative indicators of dynamics as coefficients are calculated by:

Select one:

a.

dividing value in one time period by the value of the same indicator in the future period

b.

dividing value in one time period by the value of the same indicator in the base period

c.

dividing value in one time period by the value of the same indicator in the base period expressed in percentage

d.

dividing value in one time period by the value of the same indicator in the next period

Question 9

Forecast ratio is calculated by:

Select one:

a.

dividing the actual level by the forecasted value

b.

dividing the actual level by the base value

c.

dividing the forecasted value by the actual value

d.

dividing the forecasted level by the base value

Question 16

In which sampling method the sample units are selected by contacting anybody who comes on the way and is believed to be a member of the study population?

Select one:

a.

Simple random sampling

b.

Snowball sampling

c.

Probability proportional to size sampling

d.

Quota sampling

e.

Convenience sampling

f.

Systematic sampling

g.

Cluster sampling

h.

Stratified sampling

Question 17

800 tourists cross the border daily.

15% mechanical sample was organized.

Results show that the average age of tourists is 40 years, age standard deviation is 6 years.

With the probability 0.95 (t=1.96), calculate absolute margin of error.

2 decimal units for the answer, no units of measure (e.g. 1.23).

Answer:

Question 18

For the survey of accommodation duration in hotels (population size is 388 hotels), it is necessary to determine the sample size, so that the margin of error with the probability of 0.683 would not be larger than 2 days.

Expert evaluation of dispersion (S^2) is 215.

Mechanical sampling is used

answer as integer numbers (no decimal units, e.g., 11)

Answer:

Question 19

Which approach is used to derive the seasonal indexes as a ratio of the actual time series data and the value of linear, parabolic or exponential function for the same time period?

Select one:

a.

Arithmetic mean approach

b.

Exponential smoothing approach

c.

Moving average approach

d.

Analytic smoothing approach

Question 20

Absolute significance of the 1% of the increase or decrease is calculated as:

Select one:

a.

a ratio of the absolute growth and relative growth rate expressed in percentage

b.

a ratio of the relative growth and absolute growth rate expressed in percentage

c.

a ratio of the relative growth and absolute growth rate expressed as a coefficient

d.

a ratio of the absolute growth and relative growth rate expressed as a coefficient

Question 21

Which trend detecting method aggregates initial time series in longer periods?

Select one:

a.

Exponential smoothing method

b.

Interval widening method

c.

Moving average method

d.

Analytic smoothing method