Question 5 Not yet answered Marked out of 12.00 Flag question Select the TWO options that are TRUE statements about surv
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Question 5 Not yet answered Marked out of 12.00 Flag question Select the TWO options that are TRUE statements about surv
Question 5 Not yet answered Marked out of 12.00 Flag question Select the TWO options that are TRUE statements about survey sampling. Select one or more: In a stratified sample, the sizes of the subsamples from each stratum must always be equal to one another. If a survey uses stratification, it must not use clustering as well. Within each stratum in stratified sampling, individuals should as far as possible be similar to one another with respect to the subject under investigation. Cluster sampling usually decreases the sampling error compared to a simple random sample of the same size. In cluster sampling, each member of the population should be in exactly one cluster.
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