INDIAN SCHOOL MUSCAT DEPARTMENT OF COMMERCE AND HUMANITIES Statistics for Economics Class : 11
Worksheet on Collection of data
Date of issue --------------2017
Economics (030)
Reference: NCERT text book Date of submission ------------------2017
SHORT ANSWER QUESTIONS (1 Mark each)
1. What is a variable? 2. Why is data collected 3. What are samples? 4. Define population 5. What are open ended questions? 6. Name the agencies that collect data in India 7. Name the publication in which collected data is published in India SHORT ANSWER QUESTIONS (3 Marks each)
8. Name the different ways of collecting data 9. What is Primary data? How is it collected? 10. What is secondary data? What are the different sources of secondary data? 11. Distinguish between Primary and Secondary data 12. Explain personal interview. What are its advantages and disadvantages? 13. What is pilot testing? Why is it done? SHORT ANSWER QUESTIONS (4 Marks each)
14. Explain Mailing questionnaires. What are its advantages and disadvantages? 15. What are the factors that must be kept in mind while preparing a good questionnaire?
16. What are telephone interviews? What are its advantages and disadvantages? 17. What are the different methods of sampling? 18. What are the advantages of sampling? 19. What are sampling errors? Briefly explain the different Non-sampling errors *********************
ISM/SENIOR SECTION/ECONOMICS/CLASS 11 - 2017-2018
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