Methods of Sampling
Chapter 2 also presented several standard approaches to sampling. In an introductory course, it is valuable to recognize that there are different reasonable methods (and by extension a large number of unreasonable methods). It is also valuable to understand that each method carries different risks. In this chapter, we'll restrict the discussion to simple random samples (SRS) and the ways in which sample proportions and sample means tend to vary in different samples from one population.
This chapter should help you to understand the nature of simple random sampling. This chapter may also help you to become a more critical consumer of statistical studies by teaching you to ask questions about the implications of sampling methods ...
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