Question: QUESTION 2 (30 MARKS) a) Explain two reasons why researchers undertake sampling. (2 Marks) b) A sample of students is to consist of every fifth

QUESTION 2 (30 MARKS) a) Explain two reasons why

QUESTION 2 (30 MARKS) a) Explain two reasons why researchers undertake sampling. (2 Marks) b) A sample of students is to consist of every fifth student. The student number 04 was selected as starting point. There are 50 students numbered from 01 to 50. 1. Which students will be selected to form a sample of 10 students? (2 Marks) II. What is the main advantage of this sampling method? (2 Marks) III. Is there any disadvantage in using this sampling method? Give one example. (2 Marks) c) The question 'Do you smoke or drink?' was asked to participants in a medical study. What is the problem, if any, with this type of question? (2 Mark) d) Distinguish between qualitative and quantitative research designs. (5 marks) e) Explain at least three components of a quantitative survey design. (5 marks) f) Briefly state five advantages of the use of secondary data. (5 marks) g) Elaborate on two reasons why it will be important to use primary data in research

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