SWAMI VIVEKANAND PUBLIC SCHOOL, SECTOR 17, HUDA JAGADHRI
GRADE XI Economics
Chapter: Collection of data
Date of uploading the assignment- July 11,2025
Submission date- July 14,2025
NOTE- This assignment needs to be done on the Assignment sheets .
1. What type of questions should not be included in a questionnaire?
(a) Simple
(b) Multiple choice
(c) Personal
(d) Specific
2. Census of India' collect data related to .
(a) Industry
(b) National Income
(c) Agriculture
(d) Demography
3. Read the following statement carefully and choose the correct alternative given below:
Statement I: "Collection of primary data is more economic than secondary data".
Statement II: Census method is suitable when area of Investigation is very large
Alternatives:
a) Both I and II are correct.
b) Both I and II are incorrect.
c) Only I is correct.
d) Only II is correct.
4. Data collected from NSSO (national sample Survey office) are –
(a) Primary data
(b) secondary data
(c) primary and secondary data both
(d) none of the above.
5. Read the following statements carefully and choose the correct alternative from the
following:
Statement 1 – Personal interviews helps in collection of additional details from the
respondents.
Statement 2 – Personal interviews are costlier as compared to telephonic interviews.
Alternatives:
a) Both the statements are true.
b) Both the statements are false.
c) Statement 1 is true and Statement 2
d) ) Statement 2 is true and Statement 1 is false.
6. Read the following statements -Assertion (A) and Reason(R), Choose one of the correct alternatives given
below:
Assertion (A): Secondary data is less reliable.
Reason(R): Secondary data is collected by some other agency for their own purpose and are processed and
scrutinized accordingly.
Alternatives:
a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of Assertion(A).
b) Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct explanation ofAssertion
c) (A). Assertion (A) is true but Reason (R) is false.
d) (A) is false but Reason (R) is true
7. 60% turnout over 5 days of vaccination. The city recorded a turnout of 86% at its centres, the highest for a
single day. H.T January 25, 2021 This is a data. (Published/unpublished)
8. Read the following statements -Assertion (A) and Reason(R), Choose one of the correct
alternatives given below:
Assertion (A): In random sampling, probability of every element of the population has equal
chances of getting selected in the sample.
Reason(R): Random sampling is free from bias. Alternatives:
a) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of
Assertion(A).
b) Both Assertion (A) and Reason (R) are true and Reason (R) is not the correct
explanation of Assertion
c) (A). Assertion (A) is true but Reason (R) is false.
d) Assertion (A) is false but Reason (R) is true.
9. Read the following statement carefully and choose the correct alternative given below:
Statement I: "Collection of primary data is more economic than secondary data".
Statement II: Census method is suitable when area of Investigation is very large
Alternatives:
a) Both I and II are correct.
b) Both I and II are incorrect.
c) Only I is correct.
d) Only II is correct.
10. Classification of the population of India in terms of years is an example of :
a) Geographical classification
b) Chronological classification
c) Quantitative classification
d) Qualitative classification
11. Explain the direct personal investigation method of collection of data. Write its merits and demerits. [3]
12. Write the qualities of a good questionnaire. [3]
13. Explain, why a sample survey is usually preferred over a census survey. [3]
14. Why are non-sampling errors more serious than sampling errors? [2]
15. Differentiate between sample method of data collection and census method of data collection.
