IMPORTANT QUESTIONS WITH ANSWERS - IGNOU : MCOM : MCO 3 - RESEARCH METHODOLOGY AND STATISTICAL ANALYSIS

IMPORTANT QUESTIONS & ANSWERS

IGNOU MCOM

MCO 3 -  RESEARCH METHODOLOGY AND STATISTICAL ANALYSIS

UNIT - 1

1. Define the concept of research and analyze its characteristics. 

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2. Explain the significance of business research.

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3. What do you mean by a method of research? Briefly explain different methods of research. 

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4. Explain the significance of research in various functional areas of business. 

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5. What is Survey Research? How is it different from Observation Research?

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6. What is meant by business research process? What are the various stages/aspects involved in the research process.

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UNIT - 2

1. What is a research problem? Explain the sources of research problems. 

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2. What do you mean by a problem? Explain the various points to be considered while selecting a problem. 

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3. Explain how you will select and specify a research problem. 

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4. What do you mean by a hypothesis? What are the different types of hypotheses?

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5. What is meant by hypothesis? Explain the criteria for a workable hypothesis. 

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6. What are the different stages in a hypothesis? How do you verify / test a hypothesis? 

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7. What is a research design? Explain the functions of a research design. 

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8. Define a research design and explain its contents. 

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9. What are the various components of a research design? 

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UNIT - 3

1. What precautions would you take while using the data from secondary sources. 

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2. Explain what precautions must be taken while designing a questionnaire in order that it may be really useful. Illustrate your answer giving suitable examples. 

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3. Distinguish between the following : a) Primary and Secondary Data b) Internal and External Data c) A Schedule and Questionnaire 

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4. Explain the various methods of collecting primary data pointing out their merits and demerits? 

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5. What is the need for pre-testing the drafted questionnaire.

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UNIT - 4

1. What is the difference between random sampling and non-random sampling? 

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2. What are the advantages and disadvantages of stratified random sampling?

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3. What are the ways to control survey errors? 

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4. What are the advantages of sampling over census? 

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5. Discuss the method of cluster sampling. What is the difference between cluster sampling and stratified random sampling? 

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6. Discuss the sources of sampling and non-sampling errors. 

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7.What are the essentials of a good sample?

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UNIT - 6

1. What do you mean by Editing of data? Explain the guidelines to be kept in mind while editing the statistical data. 

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2. “Classification of data provides a basis for tabulation of data. Comment. 

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3. Discuss the various methods of classification.

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4. What is tabulation? Draw the format of a statistical table and indicate its various parts. 

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5. Describe the requisites of a good statistical table.

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UNIT - 7

1. Explain the significance of visual presentation of statistical data in research work. 

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2. Give a brief description of the different kinds of diagrams generally used in business research to present the data. 

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UNIT - 8

1. Distinguish between variation and skewness. What are the objectives of measuring them?

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UNIT - 10

1. What do you understand by the term Correlation? Distinguish between different kinds of correlation with the help of scatter diagrams.

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2. What do you mean by Spurious Correlation? 

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3. What do you understand by the term regression? Explain its significance in decision-making. 

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4. Distinguish between correlation and regression.

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UNIT - 11

1. What is time series? Why do we analyse a time series? 

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2. Explain briefly the components of time series. 

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3. Explain briefly the additive and multiplicative models of time series. Which of these models is more commonly used and why?

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UNIT - 12

1. What do you mean by an index number? Explain the uses of index numbers for analysing the data. 

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2. Discuss various issues that arise in connection with the construction of an index number. 

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3. Briefly explain different methods for construction of indices and their limitations. 

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4. Why do we consider Fisher’s index as an ideal index? 

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5. Write short notes on: 

     a) Price Index b) Quantity Index c) Splicing of Indices d) Deflating of Indices.

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UNIT - 13

1. Why do we study probability? Explain its importance and relevance.

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2. What are the different approaches to probability? Explain with suitable examples.

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3.  Explain the types of probability under statistical independence.

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4. Explain the use of Bayes’ theorem in probability.

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UNIT - 14

1. Distinguish between frequency distribution and probability distribution. 

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2. Explain the concept of random variable and probability distribution.

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3. What do you mean by continuous probability distribution? How does it differ from binomial distribution?

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UNIT - 15

1) Distinguish between Estimation and testing of hypothesis.

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2) Explain the procedure for testing a statistical hypothesis. 

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3) Discuss the role of normal distribution in interval estimation and also in testing hypothesis.

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UNIT - 17

1. Why do we use chi-square test?

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2. Explain the conditions for applying chi-square test. 

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3. What are the limitations for applying chi-square test?

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4. When do you use Yates correction? 

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UNIT - 18

1. What is meant by interpretation of statistical data? What precautions should be taken while interpreting the data? 

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2. What do you understand by interpretation of data? Illustrate the types of mistakes which frequently occur in interpretation. 

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3. Discuss the methods of generalization. 

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4. What is meant by statistical method? Explain the steps involved in the statistical method. 

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5. What is meant by statistical fallacy? What dangers and fallacies are associated with the use of statistics? 

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UNIT - 19

1. What is reporting? What are the different stages in the preparation of a report? 

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2. What is a report? What are the characteristics/qualities of a good report? 

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3. Briefly describe the structure of a report. 

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4. What are the various items that will find a place in the text / body of the report? 

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5. Describe briefly how a research report should be presented. 

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6. Describe the considerations and steps involved in planning a report writing work. 

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7. Write short notes on: a) Characteristics of a good report. b) Research article c) Sources of data d) Chapter plan

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