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STA630 Current Final Term Fall 2013 Shared by Rameez

Question # 1: (3 marks)
A Researcher is intended to conduct case studies for his MBA final project. From which sources he can collect the data?

Question # 2: (3 marks)
If we want to select a sample from every section of BS students of a university where every type of student is included, then which type of sampling technique we should use? Explain your answer.

Question # 3: (3 Marks)
While conducting field survey, field worker conceals the name and some other information of respondent which may not affect the finding.
In your opinion what he is doing? Is he right or wrong in concealing information?

Question # 4: (3 Marks)
You want to explore female’s cosmetic preferences. How would yu prepare focus group study for this topic?

Question # 5: (5 marks)
What is the relationship between the Literature survey and Theoretical Framework?

Question # 6: (5 marks)
“Don’t yu think that in these days of escalating costs of living, employees should be given good pay raises?”
It is leading question, rephrase the question that elicits less biased responses and explain how it is a standardized question?

Question # 7: (5 marks)
If 140 people are needed for some specific survey, the population list consists of 10 top managers, 30 middle managers, 50 lower managers, 100 supervisors, 500 clerks, and 20 secretaries. How would a researcher take proportionate and disproportionate stratified sampling from the given data?

Question # 8: (5 Marks)
In a study of effect of collaborative learning on CGPA, control group consisted student having CGPA below 2.7 and experimental group consisted students having CGPA more than 3. This selection was unintentional but erroneous and hence experiment results were not valid. Which type of threat to internal validity is present in this situation?
Justify your choice, how it can be removed?



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