Friday, January 10, 2020

Dibrugarh University (M.Com - Distance) - Research Methodology and Statistical Analysis (Nov-Dec' 2018)


2018 (December)
(Held in January 2019)
COMMERCE
Paper: 203
(Research Methodology and Statistical Analysis)
Full Marks: 80
Time: Three Hours
The figures in the margin indicate full marks for the questions.
1. (a) What are the different types of research? Explain them in brief.                    4+12=16
Or
(b) What do you mean by data? Distinguish between primary data and secondary data.                                 4+12=16
2. (a) What is measures of skewness? Explain the three different formulas to compute the coefficient of skewness. 6+10=16

Or
(b) What are the different measures of central tendency? How these measures are used in analyzing data under different circumstances?                 4+12=16
3. (a) Explain what is probability in statistics. State the situation under which multiplicative probability model is used. 4+12=16
Or
(b) State ‘Bayes’ theorem and illustrate it with an example.         8+8=16
4. (a) Discuss the methods of determining sample size.                  16
Or
(b) Distinguish between type-I error and type-II Error.                               16
5. (a) What is non-parametric statistical test? Under what circumstances non-parametric tests are used?                  6+10=16
Or
(b) Explain Wilcoxon Signed test with appropriate examples.                      16
***

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