IGNOU MCO-03 June 2023 Previous Year Question Paper

Q1.(a) What is research problem ? Discuss the main issues which should receive the attention of the researcher in formu lating the research problem. 10

(b) What is meant by interpretation of statistical data ? What precautions should be taken while interpreting the data ? 10 [ 2 ]

Q2.The scores for nine students in P hysics and Mathematics are as follows : Physics in marks Mathematics in marks 35 30 23 33 47 45 17 23 10 8 43 49 9 12 6 4 28 31 Compute the Spearman ’s rank correlation by assigning the ranks and interpret the result.

Q3.Discuss the method of random sampling.

Q4.Distinguish between cluster sampling and stratified sampling. 10+10 [ 3 ]

Q5.(a) Discuss the types of formulation of hypotheses in business research. 10

(b) Describe the methods of analysis which will be applied to the data in determining whether the hypotheses are true or false.10

Q6.(a) Explain the types of probability distribution and give their usefulness in research. 10

(b) What is meant by statistical fallacy ? What dangers and fallacies are associated with the use of statistics ?

Q7.(a) What are the essentials of a good questionnaire ? Draft a suitable questionnaire to know the buying ha bits of buying through e-Commerce portal. 10

(b) What are the essentials of a good research report ? Explain the precautions to be taken while preparing a research report. 10 [ 4 ]

Q8.Briefly comment on any four of the following : 5+5+5+5

(a) The biggest advantage of median is that extreme observations do not affect it usefulness of diagrammatic presentation of statistical data in business research.

(b) Confidence interval is a function of confidence coefficient.

(c) Null hypothesis may be described as an assumption or a statement regarding a parameter.

(d) Bias, whether it is conscious or unconscious, is very common in statistical work and it leads to false generalizations.

(e) Primary data refers to the first hand data gathered by the researcher himself.

Q9.Distinguish between the following : 5+5+5+5

(a) Fundamental Research and Applied Research

(b) Census and Sample

(c) Mean and Median

(d) Correlation and Regression

Q10.Write short notes on any four of the following : 5+5+5+5

(a) Tabulation

(b) Bibliography

(c) Executive Summary

(d) Scatter Diagram

(e) Coefficient of Determination

(f) Skewness 15+5 35 30 23 33 47 45 17 23 10 8 43 49 9