Download OU B.Sc 2019 Dec 5th Sem (3rd Year) 8182 Statistics Question Paper

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Code No. 8192

FACULTY OF SCIENCE

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B.Sc. V - Semester (CBCS) Examination, November / December 2019

Subject: Statistics

Sampling Theory, Time Series, Index Numbers and Demand Analysis - V

Time: 3 Hours Paper Max.Marks: 60

PART — A (5x3 = 15 Marks)

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(Short Answer Type)

Note: Answer any FIVE of the following questions. Each question carries 3 marks.

1. Write about principles of sampling
2. What is subjective sampling? Explain. Give an example.
3. Define stratified random sampling.

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4. Explain about growth curves.
5. What are Index Numbers? State their uses
6. Define the terms Demand, Supply and Price elasticity of demand
7. Explain time reversal test.
8. Explain additive model of time series.

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PART - B (3x15 = 45 Marks)

(Essay Answer Type)

Note: Answer all the following three questions. Each question carries 15 marks.

1. a) Where sampling and non-sampling errors Write about sources of the same.
   OR
   

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   b) In SRSWOR, show, that sample mean square is an unbiased estimator for population mean square.
2. a) Define systematic sampling procedure. Prove that
   OR
   b) Explain link relatives procedure for determination of seasonal indicies.
3. a) Explain Pigou’s method for estimating demand function, stating assumptions. Also mention its limitations.
   

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   OR
   b) Explain base

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