# 2018 – Previous Year Question Papers | Research Methodology and Statistical Analysis | Final Year – Masters of Commerce (M.Com) | Dibrugarh University 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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