IGNOU M.com Previous Year Papers Download PDF for Free
IGNOU Solved Question Papers Download
Ignou question papers 2020 -2021 | Important Questions || IGNOU Previous Year Question Paper | IGNOU announces the term-end exam date sheet before the IGNOU exam.
Students appearing in the IGNOU Term and Examination should complete their complete syllabus and start their exam practices as well.
It is important to work on the previous year questions in IGNOU. This increases the likelihood of students getting goods marks in the paper.
MCO 03: Research Methodology and Statistical Analysis
Dec 2019
Q1. Discuss the following methods of research :
(a) Survey method
(b)Historical method
Q2. What do you understand by the term 'Research Design' ? Discuss different components of a
research design.
Q3. A detergent manufacturer wants to know whether there are any significant differences among male and female users between Brand A, Brand B and Brand C of the detergent they use. A survey conducted for the purpose gives the following results:
| Brand Of Detergent | ||||
|---|---|---|---|---|
| Gender Distribution | Brand A | Brand B | Brand C | Total |
| Male | 138 | 83 | 64 | 285 |
| Female | 64 | 67 | 84 | 215 |
| Total | 202 | 150 | 148 | 500 |
Calculate chi-square statistics and determine whether the brand of detergent is independent of the users' gender given that at 2 degrees of freedom and 0.05 level of significance the table value is 5.991.
Q4. (a) What do you understand by the following terms?
(i) Range
(ii) Mean Deviation
(iii) Standard Deviation
(iv) Quartile Deviation
(v) Coefficient of Variance
(b) The following data relates to mean sales and standard deviation of product X in three departmental stores:
| Departmental Store | Mean Sales | Standard Deviation |
|---|---|---|
| Store A | 40 | 5.24 |
| Store B | 70 | 8.12 |
| Store C | 59 | 10.89 |
Among the above three stores, which store is more consistent?
Q5(a) What do you understand by the following terms?
(i) Point Estimation
(ii) Interval Estimation
(b) Discuss the advantages of t-test in a survey research.
Q6. (a) What do you understand by the term 'Statistical Fallacy' ? Explain.
(b) What are the stages at which statistical fallacies may arise ?
(c) Discuss with examples how statistics can be misinterpreted.
Q7. (a) Differentiate between primary data and secondary data with examples.
(b) What do you understand by 'Simple Random Sampling' ? Discuss the process to select a random sample using 'simple random sampling'.
Q8. Write short notes on any four of the following :
(a) Uses of Index Numbers
(b) Difference between Mean and Weighted Mean
(c) Questionnaire Method
(d) Systematic Sampling
(e) Nominal Scale
(f) Interval Scale