Question: In survey research, a distinction is typically made between random sampling errors and non- random sampling errors. This is based on the supposition that bringing

In survey research, a distinction is typically made between random sampling errors and non- random sampling errors. This is based on the supposition that bringing sampling errors under control will inevitably lead to better quality research outputs. 1. Can errors due to random sampling be eliminated? Justify your answer. (5 marks) 2. How might errors due to random sampling be controlled? (5 marks) 3. Identify at least three (3) types of non-random sampling errors and indicate how they might be detected and controlled or eliminated? (10 marks)

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