DAV PUBLIC SCHOOL (PAKHOWAL ROAD,LDH)
CLASS -XI
ASSIGNMENT (2025-2026)
CHAPTER 2 – COLLECTION OF DATA
1. ……..data are originally collected by an investigator for the first time .
(a) Primary (b) Secondary
(c ) Both (a) and (b) (d ) None of these
2. A survey that includes all units of population is known as …… Survey .
(a) Sample (b) Census
( c) Total (d) None of these .
3. Questionnaires are filled by the :
(a) Investigator (b) enumerator
( c) informant (d) None of these
4. Which of the following is a source of secondary data ?
(a) Government publication (b) Private publication
( c) report published by the state bank of India . (d) All of these.
5. Which of the following is a merit of a good questionnaire ?
( a) Difficulty (b) Less number of questions.
( c) Not in proper order (d) Invalid questions
6. What kind of data are contained in the census of population and national income estimates ,
for the government ?
(a) Primary data (b) Secondary Data
( c) Internal Data (d) None of these
7. Which of the following method is used when an investigator collects the required
information with the informant ?
DAV PUBLIC SCHOOL (PAKHOWAL ROAD,LDH)
CLASS -XI
ASSIGNMENT (2025-2026)
CHAPTER 2 – COLLECTION OF DATA
(a) Direct Personal Investigation (b) Indirect oral investigation
( c) Mailing Method (d) Enumerator’s Method.
8. A good questionnaire should have :
(a) Minimum questions (b) Concise
( c ) Clear (d) All of the above
9. The survey which helps in pre- testing the questionnaire is ;
(a) Pilot Survey (b) Census Survey
( c) Sample Survey (d) None of these
10. Technique which gives every item of the universe an equal chance of being selected is ….
(a) Convenient Sampling (b) Random Sampling
( c) Judgment Sampling (d) Non –random Sampling
11. Which type of data is contained in Census of India ?
(a) National Income (b) Industry
( c) Population (d) Agriculture
12. Data collected from ‘ The Hindu ‘ is :
(a) Secondary Data (b) Primary Data
( c) both (a) and (b) (d) Neither (a) nor (b)
13. Indirect oral investigation method suffers from
(a) Biasness (b) Doubtful conclusions
( c) Inaccuracy (d) All the above
DAV PUBLIC SCHOOL (PAKHOWAL ROAD,LDH)
CLASS -XI
ASSIGNMENT (2025-2026)
CHAPTER 2 – COLLECTION OF DATA
14. NSSO provides periodic estimates of :
(a) Literacy and utilization of educational services.
(b) Employment and Unemployment
(c) Manufacturing and service sector enterprises.
(d) All of these .
15. The most complete and continuous demographic record of population is provided by :
(a) National Sample survey office. (NSSO)
(b) Central Statistical Organisation. (CSO)
(c) Registrar General of India. (RGI)
(d) Census of India
Q 16: Give the meaning of primary data and secondary data
Q 17: What do you mean by telephone interview?
Q 18: Define sample.
Q19.What is sampling error?
Q 20.: What kind of data is collected by NSSO?
Q 21. Name the different methods which can be used to draw a random sample.
Q 22.: Which data should be used by an investigator if there is a limited time
Frame?
Q 23. What is sampling and non –sampling errors
Q24.Define the terms: (1) Investigator (2) Non – Random sampling (3) Respondent
Q25. What do you mean by Pilot Survey? State the advantages of Pilot Survey.
Q26. What precautions are necessary in using secondary data?
Q27. Discuss merits and demerits of Direct personal Investigation
DAV PUBLIC SCHOOL (PAKHOWAL ROAD,LDH)
CLASS -XI
ASSIGNMENT (2025-2026)
CHAPTER 2 – COLLECTION OF DATA
Q28. Write any four methods of collecting primary data. Explain any one method along with its two
merits and two demerits.
Q 29. Write a brief note of National Sample Survey office and also state its various objectives.
Q.30. What is secondary Data? Explain different sources of secondary data.
Q 31. “An investigator should be careful while using secondary Data”. Discuss.
