Collection of Data

Which of these is an example of Primary Data?

• A researcher uses newspaper citations to create a hypothesis

• Enumerator collects data through survey for PepsiCo.

• A researcher gathers data from an encyclopedia

What to keep in mind while making a questionnaire? (Select all that apply)

• Keep questions short and understandable

• Questions should have double negative

• Question should indicate alternate answers

• Questions should be arranged so that person answering feels comfortable

What is a sample?

• It is a part of a population

• It is a person

• It is the respondent

• Number of people being surveyed

What are the advantages of personal interview?

• Interviewer has the opportunity of explaining the queries of respondents

• It is very cheap

• It is very expensive

• Personal contact is made between interviewer and respondent

What are the demerits of mailing questionnaire?

• Interviewer does not have opportunity to clarify queries

• Very expensive

• It can reach remote areas

• Gives good response rates

Data needs to be collected from a farming sector of Delhi, it is conducted by a well to do company. Which mode of collection is appropriate?

• Primary Data

• Mailing interview

• Personal interview

• Pilot survey

What is pilot survey utilized for?

• It is a mock test

• It is used for testing the survey and to correct errors

• It is a nationwide census

• It is a way to find out the likes and dislikes of a person

What are the types of non-sampling errors?

• Biased selection of sample

• Wrong response recorded by enumerator

• Sampling error

• Influencing the respondent

What is sampling error?

• It is the error made by the surveyor

• It is the numerical value of error between actual value and estimate

• Sample bias

• Data acquisition error

What are the sources of Secondary Data?

• Newspaper

• Survey done by enumerator

• Survey done by WHO

• Personal interview