M.Com. DEGREE EXAMINATION,
NOVEMBER 2017
Second Semester
Commerce with Computer Applications
BUSINESS RESEARCH METHODOLOGY
(CBCS 2015 onwards)
Time 3 Hours Maximum 75 Marks
Section A (10 x 2 20)
Answer all questions.
1. Write short note on Ex Post Facto research.
2. What do you mean by pilot study?
3. Under what circumstances would you recommend a
non-probability sample?
4. Write short note on Thematic Apperception Test.
5. What are dummy variables?
6. Write short note on Likert Scale.
7. Distinguish between Type I error and Type II error.
8. What do you meant by 'Hypothesis'?
9. Point out the characteristic of a good research report.
10. What do you mean by documentation in the context of a
research report?
Sub. Code
5MCC2C1
AFF-5087
2
Sp4
Section B x 5 25)
Answer all questions.
11. What are the objectives of research?
Or
Explain the steps involved in defining problem.
12. Explain the four types of measurement scales.
Or
State the types of graphs.
13. What is t-test? When it is used and for what
purpose?
Or
The theory predicts the proportion of beans in the
four groups and D should be In an
experiment among 1600 beans, the number in the
four groups was 882,313,287 and 118. Does the
experimental result support the theory? Apply Chi-
Square Test.
14. Explain the phases of processing the data.
Or
How the computer is used for data analysis?
15. State the important sections of main text of the
report.
Or
What are the techniques of interpretation?
AFF-5087
3
Sp4
Section C x 10 30)
Answer any three questions.
16. Discuss the various problems encountered by researchers
in India.
17. Explain the various types of probability sampling
methods.
18. The following table shows the results of a paired
comparison on preference test of four cold drinks from a
sample of 200 persons
Name CocaCola Limca Goldspot Thumpsup
CocaCola 60* 105 45
Limca 150 70 160
Goldspot 75 40 65
Thumpsup 165 120 145
*To be read as 60 persons preferred Limca over CocaCola.
How do these brands rank in overall preference in
the given sample?
Develop an interval scale for the four varieties of
cold drink.
19. An IQ test was given to 5 persons before and after they
were trained.
Candidates I II III IV V
IQ before training 110 120 123 132 125
IQ after training 120 118 125 136 121
Test whether there is any improvement in IQ after the
training program (test at level of significance)
20. Briefly explain the various mechanics of writing a
research report.
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