Collection of Data MCQs Class 11 Economics
Collection of Data MCQs Class 11 Economics
Class: 11
Subject: Economics
Section: Collection of Data
Topic: Collection of Data MCQs
Subject: Economics
Section: Collection of Data
Topic: Collection of Data MCQs
CBSE Board Examination Preparation
1. Data collected first‑hand by an investigator is called:
Answer: B. Primary Data
Primary data is original data collected directly by the investigator for a specific purpose. It is reliable and specific but often costly and time‑consuming.
Primary data is original data collected directly by the investigator for a specific purpose. It is reliable and specific but often costly and time‑consuming.
2. Which of the following is a source of secondary data?
Answer: B. Government Publications
Secondary data is already collected by others. Government reports, census data, RBI bulletins etc. are common secondary sources.
Secondary data is already collected by others. Government reports, census data, RBI bulletins etc. are common secondary sources.
3. Census method refers to:
Answer: B. Study of all units
Census investigation covers each and every unit of the population, ensuring maximum accuracy though it is expensive and time consuming.
Census investigation covers each and every unit of the population, ensuring maximum accuracy though it is expensive and time consuming.
4. Sampling method studies:
Answer: B. Selected units
Sampling involves selecting representative units from the population to draw conclusions, saving time and cost.
Sampling involves selecting representative units from the population to draw conclusions, saving time and cost.
5. Which method is most suitable when population size is very large?
Answer: B. Sampling
For large populations, census is impractical. Sampling provides quicker and economical results.
For large populations, census is impractical. Sampling provides quicker and economical results.
6. Data collected through watching behaviour is:
Answer: B. Observation Method
In observation, the investigator records facts by directly observing events or behaviour.
In observation, the investigator records facts by directly observing events or behaviour.
7. Mailed questionnaire is best suited for:
Answer: B. Large geographical areas
It is economical when respondents are widely scattered, though response rate may be low.
It is economical when respondents are widely scattered, though response rate may be low.
8. Information collected by enumerators using forms is:
Answer: B. Schedule
In schedules, trained enumerators fill responses themselves, ensuring accuracy.
In schedules, trained enumerators fill responses themselves, ensuring accuracy.
9. Secondary data is economical because:
Answer: A. Already collected
Since data exists, time and cost of collection are saved.
Since data exists, time and cost of collection are saved.
10. NSSO is a source of:
Answer: B. Secondary Data
National Sample Survey Office publishes large datasets used as secondary data.
National Sample Survey Office publishes large datasets used as secondary data.
11. Primary data is usually:
Answer: B. More reliable
It is collected first‑hand for a specific objective, increasing accuracy.
It is collected first‑hand for a specific objective, increasing accuracy.
12. Telephonic interview is suitable for:
Answer: A. Quick surveys
It saves time and cost but limits depth of responses.
It saves time and cost but limits depth of responses.
13. Investigator bias occurs in:
Answer: B. Primary data collection
Personal opinions of investigators may influence responses.
Personal opinions of investigators may influence responses.
14. Which is NOT a method of primary data collection?
Answer: D
Published census reports are secondary data sources.
Published census reports are secondary data sources.
15. Sampling saves:
Answer: C
Sampling reduces both time and financial resources.
Sampling reduces both time and financial resources.
16. Population in statistics means:
Answer: B
Population refers to the entire set of units relevant to the study.
Population refers to the entire set of units relevant to the study.
17. Sample should be:
Answer: C
A representative sample reflects characteristics of the population.
A representative sample reflects characteristics of the population.
18. Pilot survey is conducted:
Answer: B
It tests questionnaires and methods before final investigation.
It tests questionnaires and methods before final investigation.
19. Which method ensures maximum accuracy?
Answer: B
Census covers all units, minimizing sampling error.
Census covers all units, minimizing sampling error.
20. Data collected for the first time is called:
Answer: B
First‑hand collected data for a specific study is termed primary data.
First‑hand collected data for a specific study is termed primary data.