Sampling

DEPARTMENT OF FINANCE

UNIVERSITY OF DHAKA

F-510/624: BUSINES RESEARCH METHODOLOGY

Final Examination [22.04.2010]

Time: 2 Hours Marks: 40

[Answer any four questions]

1 a. “A good research report is comprehensive”- Justify.

b. Distinguish between Formative and Terminal evaluations.

c. Transform the following research ideas into research questions and research objectives

i. Foreign Direct Investment and economic Development

ii. SME development and employment

iii. MBA and decision making

iv. Micro credit and poverty alleviation

v. Manpower export and GDP

2 a. Briefly explain the reasons for sampling in lieu of the census.

b. Distinguish between random and non-random sampling techniques.

c. Prima Power likes to estimate the mean monthly electric bill for a single family house in the Dhaka city. Based on similar studies the standard deviation is estimated to be Tk. 750.

i. If a 95% level of confidence is desired with an accuracy of TK. 35, how large a sample is required?

ii.

ii. How large a sample would be necessary if no estimate were available for the standard deviation and 2.5% precision rate were desired?

3 a. State the steps involved in developing a survey questionnaire/ interview schedule

b. How is point estimate different from interval estimate? Explain.

c. Paul Collingwood, a financial planner, is studying the retirement plans of young executives. A sample of 7500 executives who own their own home revealed that 2400 planned to sell their homes and retire to Sydney.

i. What is the point estimate for the population parameter?

ii. Develop a 99% confidence interval for the proportion of executives that plan to sell and move to Sydney.

4 a. Write a dummy content of a research report on a topic of your interest.

b. KFC employs both skilled and unskilled workers in the production process. Table 1 shows the distribution of workers...