Annamalai University 2007 B.A Economics 640 " Economic Statistics " Part II IV - Question Paper
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Name of the Candidate :
4 0 3 4 B.A. DEGREE EXAMINATION, 2007
(ECONOMICS)
(SECOND YEAR)
(PART-III)
(PAPER-IV)
( Ancillary )
(Including Lateral Entry)
December ] [ Time : 3 Hours
Maximum : 100 Marks
Answer any FIVE questions.
All questions carry equal marks.
1. Define statistics. Explain its functions, its uses and its limitations.
2. Distinguish between primary and secondary data and explain the different methods of collecting primary data with its merits and demerits.
3. Define frequency distribution and explain different methods of constructing class intervals.
4. Summarise the advantages and disadvantages of diagrammatic and graphic presentation of data and explain the rules to construct line graph.
5. Explain the term mean, median and mode and calculate the arithmetic mean for the following data:
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62 |
71 |
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78 |
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6. What is meant by dispersion? Calculate the standard deviation for the following data:
7. Define the term correlation and calculate the correlation co-efficient for the following data:
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8. Explain the conditions for testing the consistency of data and find out whether the following data is consistent.
(AB) = 35, (B) = 65, (A) = 55, N = 100.
9. What is meant by sampling? Explain different methods of sampling.
10. Explain the role of statistics in conducting population census.
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(AB) a 35, (B) a 65, (A) = 55, N = 100.
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Turn over
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Attachment: |
| Earning: Approval pending. |
