IGNOU MCO-03 June 2022 Previous Year Question Paper

Q1.What do you understand by the term ‘Research Design’ ? Discuss different components of a research design.

Q2.(a) Describe the types of scaling techniques with examples.

(b) Discuss the important methods of random sampling.

Q3.(a) Discuss ‘Chi-square test for goodness of fit’ with hypothetical example.

(b) Explain the conditions for applying Chi-square test.

Q4.(a) What do you understand by the terms ‘point estimation’ and ‘interval estimation’ in test of hypothesis ? Discuss with examples.

(b) Explain ‘simple hypothesis ’ and ‘composite hypothesis’ with suitable examples.

Q5.What are the various methods of collecting primary data ? Explain them briefly and make a questionnaire to carry out a survey to find out the investment patte rn made by the employees of ABC Company and to understand their risk behaviour.

Q6.(a) Differentiate between correlation and regression with examples.

(b) Calculate the two regression equations of X on Y and Y on X from the data given below, taking de viations from actual means of X and Y. Price (<) 10 12 13 12 16 15 Quantity demanded 40 38 43 45 37 43 Estimate the likely demand when the price is < 20.

Q7.Briefly comment on the following statements : 45=20

(a) It is important that the sampli ng results must reflect the characteristics of the population.

(b) Research methodology is the specific procedure or technique used to ident ify, select, process, and analys e information about a topic.

(c) Qualitative research is descriptive in nature, because it generally deals with non-numerical and unquantifiable things.

(d) Convenience sampling refers to approaches where considerations of simplicity rather than randomness determine which observations are selected in a sample.

Q8.Write short notes on a ny four of the following : 45=20

(a) Questionnaire Method

(b) Systematic Sampling

(c) Statistical Derivatives

(d) Methods of Generalisation

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