LOYOLA COLLEGE (AUTONOMOUS), CHENNAI – 600 034
M.Com. DEGREE EXAMINATION – COMMERCE
THIRD SEMESTER – NOVEMBER 2012
CO 3804 – RESEARCH METHODOLOGY
Date : 06/11/2012 Dept. No. Max. : 100 Marks
Time : 9:00 – 12:00
SECTION-A
Answer ALL questions: (10×2=20)
- What do you mean by alertness in research?
- State the uses of review of literature in research.
- What do you mean by cause and effect relationship?
- What is meant by variable?
- How to set a research problem?
- What is sample design?
- What do you understand by degree of freedom?
- What is covert observation?
- List out the steps involved in using Median Test.
- The theory predicts that the proportion of beans in the four groups A,B,C and D should be
9:3:3:1.In an experiment among 1,600 beans, the numbers in the four groups were
882,313,287 and 118.Does the experimental result support the theory? Apply Chi- square test
at 5% level of significance given the( Table value =7.815)
SECTION-B
Answer any FIVE questions: (5X8=40)
- List out and explain the criteria of good research.
- Briefly explain the classification of research design.
- Choose a topic for research and try to construct the objectives and hypothesis statements.
- What are the aspects to be covered while the following reports are prepared?
- a) Bank reports b) Educational reports c) Clinical reports.
- What are the guidelines involved in drafting a standard questionnaire?
- What is meant by objectivity in research? How to measure objectivity in research? State the
methods available to establish objectivity in research.
- Two groups of high school students, each containing 8 members, earn the following scores:
| A 19 28 14 23 14 17 12 15 |
| B 25 23 29 15 27 21 24 20 |
Do the two groups differ significantly? Apply the sum- of -Ranks Test. (Table value at 5%
significance level: Z= 1.96)
- Jeya Tea Store has shops at three locations in the city. The owner keeps a daily record for
each location of the numbers of customers who actually make a purchase. A sample of the
data is as follows. Using the Kruskal-wallis test, Can you say at 5% level of significance that
the shops have the same number of customers.(Table value =5.991)
| Location-A | Location-B | Location-C |
|
99 64 101 85 79 88 97 95 90 100
|
83 102 125 61 91 96 94 89 93 75
|
89 98 56 105 87 90 87 101 76 89 |
SECTION-C
Answer any TWO questions: (2X20=40)
- Discuss the steps involved in the research process.
- Enumerate the types, merits and demerits of interview method of collection of data.
- a)Following are the performance scores of two groups of 13 and 12 executives trained by two
different methods
| Method X | 20 | 25 | 28 | 30 | 32 | 35 | 40 | 42 | 43 | 45 | 47 | 48 | 49 |
| Method y | 19 | 22 | 25 | 29 | 33 | 36 | 41 | 45 | 46 | 48 | 49 | 50 | — |
Test the HO that there is no difference in the effectiveness of the two training methods .Apply
Wald Wolfowitz test at 1% significance level.(Table value= 2.58) (10) Marks
- b) A large hospital hires most of its nurses from the two major universities in the area. Over the
last year, they have been giving a test to the newly graduated nurses entering the hospital to
determine which school, if either, seems to educate its nurses better. Based on the following
scores ( out of 100 possible points), help the personnel office of the hospital to determine
whether the schools differ in quality . Use the Mann- Whitney U – test with a 5% level of
significance. (Table value= 37) (10) Marks
Test Scores
| School A 97 69 73 84 76 92 90 88 84 87 93 — — |
| School B 88 99 65 69 97 84 85 89 91 90 87 91 72 |
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