Seat No.: Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
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MBA - SEMESTER 2 - EXAMINATION - WINTER 2018Subject Code: 3529207 Date: 28/12/2018
Subject Name: Research Methodology (RM)
Time: 02:30pm To 05:30pm Total Marks: 70
Instructions:
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- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q. No. Marks
Q.1 Define the following 14
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- Stratified Random Sampling
- Sampling Frame
- Exploratory Research
- Causal Research
- Descriptive research
- Secondary Data
- Sampling Error
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Q.2 (a) Explain various criteria researcher should consider while writing 07 Research Report.
(b) The HR Manager of the firm has received a complaint from the 07 employee of the production department that their weekly compensation is less that the employees of marketing department. To verify this claim HR manager has taken a random sample of 8 employees from production and 9 from marketing department. The data collected is shown below:
Production Department Marketing Department
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5000 5500
5200 5600
4800 5170
5300 5020
4930 4990
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5100 52504900 5350
5220 5150
4960
OR
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(b) What are the different types of rating scales? 07
Q.3 (a) The Vice President sales of a garment company want to determine 07 whether sales of the company’s brand of Jeans is independent of age group. He has appointed a marketing researcher for this purpose. This marketing researcher has taken a random sample of 703 consumers
(b) brands namely brand 1, 2, and 3. The researcher has also divided age groups into four categories: 15-25, 26-35, 36-45 and 46-55. Determine whether brand preference is independent of age group, level of significance is .05.
Age\Brand Brand 1 Brand 2 Brand 3 Row Total
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15-25 65 75 72 21226-35 60 40 64 164
36-45 45 52 50 147
46-55 55 65 60 180
Column Total 225 232 246 703
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Distinguish between the following: 07
- Parametric tests and nonparametric tests.
- Type I error and Type II error.
- One-tailed tests and two-tailed tests.
- Acceptance region and rejection region.
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OR
(b) When is observation as method of data collection used in research? 07 Explain in detail the strengths and limitation of observation method of data collection.
Q.4 (a) Two consumer durables companies market two brands of irons A and 07 B respectively. A researcher has taken a random sample of size 35 from the first company and the size of 40 from the second company and computed the average life of both the brands in months. Is there a significant difference between the average life of the two brands A and B? Take 95% as the confidence level.
Average life of electronic iron in months (Brand A)
61 62 62 61 62
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62 63 63 62 6160 61 62 64 63
63 62 62 62 64
62 67 64 61 61
61 65 65 62 62
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64 62 62 63 60Average life of electronic iron in months (Brand B)
61 61 65 63 62
62 61 67 62 64
60 63 64 65 62
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63 65 62 64 6564 64 64 61 62
62 66 65 62 63
61 64 63 66 61
60 62 61 63 65
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(b) What is the need of sampling? Discuss various probability sample 07 techniques by giving their merits and demerits.
Define questionnaire. Pantaloons is conducting a survey regarding the 07 Customers’ behaviour towards merchandize available in the store. Prepare & develop a questionnaire which meets the mentioned criteria.
Q.4 (a) One of the leading newspapers wants to identify the social - cultural 07 and behavioral parameter of people of Tribal region of Gujarat. Which secondary data sources they can use and also describes criteria for evaluating secondary data.
(b) Explain various criteria for good research 07
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Q.5 CASE STUDY:
Mr Mohan Mehata has a chain of restaurants in many cities of northern India and was interested in diversifying his business. His only son, Kamal, never wanted to be in the hospitality line. To settle Kamal into a line, which would interest him? Mr. Mehta decided to venture into garment manufacturing. He gave this idea to his son, who liked it very much. Kamal had already done a course in fashion designing and wanted to do something different for the consumers of this industry. An idea struck him that he should design garments for people who are very bulky but want a lean back look after wearing readymade garments. The first thing that came to his mind was to have an estimate of people who wore large sized shirts (40 size and above) and large sized trousers (38 size and above).
A meeting was called of experts from the garment industry and a number of fashion designers to discuss on how they should proceed. A common concern for many of them was to know the size of such a market. Another issue that was bothering them was how to approach the respondents. It was believed that asking people about the size of their shirt or trouser may put them off and there may not be any worthwhile response. A suggestion that came up was that they should employ some observers at entrances of various malls and their job would be look at people who walked into the malls and see whether the concerned person was wearing @ big sized shirt of trouser. This procedure would help them to estimate in a very simple way the proportion of people who wore big sized garments.
(a) Name the sampling design that is being used in the study. 07
(b) What are the limitations of the design so chosen? 07
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OR
Q.5 (a) Can you suggest a better design? 07
(b) What method of data collection is being employed? 07
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