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AG-Ch-4-2-Notes-WI10

AG-Ch-4-2-Notes-WI10 - Section 4.2 Notes What are Good Ways...

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Section 4.2 Notes What are Good Ways and Poor Ways to Sample? Vocabulary: o Sampling Frame & Sampling Design o Simple Random Sample (SRS) o Random number table o Margin of Error o Convenience  Samples  o Types of Bias in Sample Surveys o Key Parts of a Sample Survey Sampling Frame & Sampling Design The sampling frame is the list of subjects in the population from which the sample is taken,  ideally it lists the entire population of interest The sampling design determines how the sample is selected.  Ideally, it should give each  subject an equal chance of being selected to be in the sample Simple Random Sampling, SRS Random Sampling  is the  best way  of obtaining a sample that is representative of the  population simple random sample  of ‘n’ subjects from a population is one in which each possible 
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