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Slide39 - Survey Random Sampling If each member of a...

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Unformatted text preview: Survey Random Sampling If each member of a population has an equal chance of inclusion into a sample, it is called a random sample (unbiased). If the survey sample is biased, its _. results are not valid. The fastest way to know about the marble color ratio is to blindly transfer a few into a smaller jar and count them. 39 ...
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