Suppose a large sample of convenience is selected and then a simple random sample is selected from
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Suppose a large sample of convenience is selected and then a simple random sample is selected from the sample of convenience.
(a) Is this a probability sample? Why?
(b) Does this sampling plan remove any of the concerns about making inferences about the target population from the sample of convenience? Why?
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Applied Biostatistics For The Health Sciences
ISBN: 9781119722694
2nd Edition
Authors: Richard J. Rossi
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