Solved: Which sampling technique used in Exercise could
Chapter , Problem 8CQ(choose chapter or problem)
Problem 8CQ
Which sampling technique used in Exercise could lead to a biased study? Explain your reasoning.
Exercise
Identify the sampling technique used in each study. Explain your reasoning.
(a) A journalist goes to a campground to ask people how they feel about air pollution.
(b) For quality assurance, every tenth machine part is selected from an assembly line and measured for accuracy.
(c) A study on attitudes about smoking is conducted at a college. The students are divided by class (freshman, sophomore, junior, and senior). Then a random sample is selected from each class and interviewed.
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