Statistics can be considered as:

Select one:

a.

Industry, field of science and quantitative data

b.

Industry, field of science and qualitative data

c.

Industry, field of science and data as such

d.

Industrial data, field of science and primary data

Question 2

Question text

What information is necessary to characterise statistical data?

Select one or more:

a.

location

b.

phenomena (name)

c.

frequency

d.

variation

e.

unit

f.

time

Question 3

Question text

Data, which are initially collected are called:

Select one or more:

a.

tertiary data

b.

processed data

c.

secondary data

d.

primary data

e.

raw data

Question 4

Question text

What are the main elements of distribution orders?

Select one:

a.

Observations and frequency

b.Time and frequency

c.

Data and frequency

d.

Observations and incidence

e.

Data and information

f.

Data and incidence

Question 5

Question text

How are cells of the table filled, if the value of observation is missing or questionable?

Select one:

a.

x

b.

-

c.

0.0

d.

...

Question 6

Scales, where the distance between the marks ir proportional to the difference of logarithms of illustrated data, are called:

Select one:

a.

Power scales

b.

Logarithmic scales

c.

Arithmetic scales

d.

Quadratic scales

e.

Uneven scales

f.

Even scales

Question 7

Question text

Forecast ratio is calculated by:

Select one:

a.

dividing the forecasted level by the base value

b.

dividing the forecasted value by the actual value

c.

dividing the actual level by the base value

d.

dividing the actual level by the forecasted value

Question 8

Question text

Forecast implementation ratio is calculated by:

Select one:

a.

dividing the forecasted level by the base value

b.

dividing the actual level by the base value

c.

dividing the actual level by the forecasted value

d.

dividing the forecasted value by the actual value

Question 9

Question text

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 next period

b.

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

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 base period expressed in percentage

Question 16

Question text

In which sampling method the sample units are selected in such a way that the participants of the first round of sampling provide information on the population units that could be included in the sample etc.?

Select one:

a.

Systematic sampling

b.

Stratified sampling

c.

Probability proportional to size sampling

d.

Convenience sampling

e.

Simple random sampling

f.

Quota sampling

g.

Cluster sampling

h.

Snowball sampling

Question 17

Question text

700 tourists cross the border daily.

20% mechanical sample was organized.

Results show that the average age of tourists is 40 years, age standard deviation is 7 years.

With the probability 0.95 (t=1.96), What is the calculated absolute margin of error?

Answer:

Question 18

Question text

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:

Question 19

Question text

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

Select one:

a.

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

b.

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

c.

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

d.

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

Question 20

Question text

The geometric average of all chain relative growth values is equal to:

Select one:

a.

the base relative growth value for the last time period in comparison to the first one

b.

the chain relative growth value for the second time period

c.

the chain relative growth value for the lastime period

d.

the base relative growth value for the second time period in comparison to the first one

Question 21

Question text

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.

Exponential smoothing approach

b.

Analytic smoothing approach

c.

Moving average approach

d.

Arithmetic mean approach