Research Methodology 301' 2023 [DODLDU MCOM 3ND SEM Question Paper]

 Research Methodology  301' 2023
DODLDU MCOM 3RD SEM Question Paper
2023(COMMERCE)
Paper: COM – 301(Research Methodology)

Full Marks: 80
Time: Three hours


The figures in the margin indicate full marks for the questions.

1. (a) Define business research. Discuss the need and importance of business research.     4+12=16

Or

(b) What is data? Mention various sources from where one can obtain secondary data. Discuss the merits and demerits of primary data.    4+6+6=16

2. (a) What is research plan? Discuss the essentials of a good research plan.    6+10=16

Or

(b) Detail out the measurement of scaling techniques.      16

3. (a) What does a measure of central tendency indicate? Discuss the important measures of central tendency pointing out the situation when one measure is considered relatively appropriate in comparison to other measures.     6+10=16

Or

(b) What is diagrammatic presentation? Give a brief description of different kinds of diagrams generally used in business research to present the data.      4+12=16

4. (a) What is time series analysis? Justify the use of time series analysis in research.     4+12=16

Or

(b) The entrance test taken by two groups of boys and girls gave the following information:

Particulars

Mean scores

SD

Number

Girls

75

10

100

Boys

70

12

200


On the basis of the above information state if the difference of mean scores of boys and girls are statistically significant. (Tabulated value of Z at 1% level of significance is 2.58)     16

5. Distinguish between: (any two)      8x2=16

(a) Karl Pearson’s co-efficient of correlation and Spearman’s rank correlation.

(b) Primary data and Secondary data.

(c) Quantitative research design and Qualitative research design.

(d) Probability sampling and Non-probability sampling.

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