collection of data

The main sources of data are:

• primary

• secondary

• Both (a) and (b)

• Neither (a) nor (b)

The data collected by the investigator himself is called:

• primary data

• secondary data

• both primary and secondary data

• None of these

A good questionnaire should have:

• minimum questions

• concise

• clear

• All of the above

The greatest demerit of mailing questionnaire is that the respondents:

• do not return it

• do not answer the question

• do not go through it carefully

• All of these

Telephone survey is the most suitable method of collecting data when the population is:

• literate and having telephone

• spread over remote areas

• Both (a) and (b)

• lives in city

The survey which helps in pre-testing the questionnaire is:

• Pilot Survey

• Census Survey

• Sample Survey

• None of these

The most complete and continuous demographic records of population is provided by:

• National Sample Survey Organisation (NSSO)

• Central Statistical Organisation (CSO)

• Registrar General of India (RGI)

• Census of India

Technique which gives every items of the universe an equal chance of being selected is

• Convenient sampling

• Random Sampling

• Judgement sampling

• non-random sampling

NSSO provides periodic estimates of:

• literacy and utilisation of educational services

• employment and unemployment

• manufacturing and service sector enterprises

• All of these

Which type of data is contained by census of india?

• National Income

• Industry

• Population

• Agriculture