IGNOU M.COM MCO3 Research methodology and statistical analysis IMPORTANT QUESTIONS FOR DEC2020 Exam
IMPORTANT QUESTIONS
MCO3
1. Explain any 4 methods of research and their applicability in business research.
2. When is the adoption of non random sampling method advocated? Explain the different non random sampling methods with examples.
3 a) Explain the importance of visual presentation of statistical data in research work.
b) What are the different types of diagrams generally used in business research to present the data? Give a brief description.
4 a) What do you mean by 'estimation' and 'testing of hypothesis'? Explain the procedure used for testing a statistical hypothesis?
b) Explain the procedure involved in fitting binomial and poisson distributions?
5. a) Describe the methods of generalization.
b) What are the various types of reports? Explain.
6. a) What are sources of research problems ?
b) What are the points to be considered while selecting a research problem? Explain the process of problem formulation.
7. a) What are the various sources of secondary data? Discuss the precaution to be taken while using secondary data.
b) Explain the various scaling techniques of attitude measurement. Give example.
8. Discuss the different stages in preparation of research report.What are the characteristics of a good report.
9. a) What do you mean by statistical fallacy? What dangers and fallacies are associated with the use of the statistics.
b) Discuss the difficulties faced by a researchers in business research.
c) What are the stages at which statistical fallacies may arise?
10. Differentiate between stratified random sampling and multistage sampling.What are their advantages and limitations.
11.a) Explain the conditions and limitations of applying Chi Square test.
b) Explain what cautions need to be exercised in interpretation of data?
12. a) What do you understand by joint estimation and interval estimation.
b) Explain different approaches to probablity with examples.
13 Enumerate sampling and non sampling errors.
14. Discuss different types of interval scales and their applicability in business research.
15.a) Explain the purpose of splicing and deflating of index number with suitable examples.
b) Discuss the importance of visual presentation of data.
16 a) Differentiate between census and sampling with suitable examples.
b) Explain 'stratified random sampling' with suitable examples.
17. What is 'research design'? Discuss different components of a research design.
18. Write short notes on the following:
- Mean deviation
- Range
- Standard deviation
- Quartile deviation
- Coefficient of variance
- t-test for independent samples
- Correlation
- Price Indices
- Level of significance
- Skweness
- Inductive and deductive logic
- systematic sampling
- Flow chart
- Primary data
- Rank order scale
- Additional rule for mutually exclusive events
- Chi square test for goodness of fit
- Type 1 and type 2 error
- level of significance in testing hypothesis
- frequency distribution and probability distribution
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