Andhra University 2007 B.Sc Statistics PART - II: - Question Paper

ANDHRA UNIVERSITY
B.Sc., 3rd YEAR DEGREE exam
MODEL PAPER
PART - II: STATISTICS
PAPER - III APPLIED STATISTICS - I

Time: three Hrs.
Maximum: 100 Marks

PART-A
(70 Marks)

ans 4 questions, choosing 2 ques. from Section-I and 2 ques. from Section-II

(Candidates are permitted to use non - programmable calculators.)

SECTION-I

1. In a simple random sampling without replacement, find standard fault of an unbiased estimate of population mean.

2. find the variance of the sample mean in stratified random sample under proportional allocation and Neyman's allocation. Also obtain the gain in efficiency due to optimum allocation.

3. discuss the missing plot technique in R.B.D. and provide its analysis.

4. discuss C.R.D. define the analysis of C.R.D.

SECTION-II

5. describe an index number. elaborate the issues faced for the construction of an index number?

6. define the different components of time series.

7. What is meant by S.Q.C.? discuss different kinds of control.

8. discuss different rates of fertility.

PART-B (20 Marks)

ans any of the subsequent.
ALL ques. carry equal marks.

9. discuss the advantages of sampling over census.

10. Derive an expression for V(y) in a simple random sampling with replacement.

11. describe an index number. discuss fixed base and chain base in numbers.

12. discuss different kinds of index numbers and write their uses.

13. Derive an expression for the relative efficiency of R.B.D. to C.R.D.

14. Fit a straight lint pattern from the subsequent data

Year 1970 1971 1972 1973
No. of salesmen 28 38 46 40 56


15. Distinguish ranging from control chart for variables and attributes.

16. elaborate the merits and demerits of Latin square design?

17. elaborate the advantages of the use of a control chart?

18. discuss a method of fitting logistic curve.

PART-C (10 Marks)

ans any 5 of the subsequent. ALL ques. carry equal marks.

19. discuss stratified random sampling,

20. describe simple random sampling of attributes.

21. describe sampling frame.

22. What do you understand by splicing of index number series?

23. describe wholesale price index number.

24. elaborate the components of time series?

25. describe simple geometric mean of price relative index number.

26. describe total fertility rate.

27. describe vital statistics.

28. describe crude birth rate.

Earning:   Approval pending.