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MMLU / Which of the following is notan advantage of stratified random sampling over…

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question

Which of the following is notan advantage of stratified random sampling over simple random sampling?

choices

  1. When done correctly, a stratified random sample is less biased than a simple random sample.
  2. When done correctly, a stratified random sampling process has less variability from sample to sample than a simple random sample.
  3. When done correctly, a stratified random sample can provide, with a smaller sample size, an estimate that is just as reliable as that of a simple random sample with a larger sample size.
  4. A stratified random sample provides information about each stratum in the population as well as an estimate for the population as a whole, and a simple random sample does not.

subject

high_school_statistics

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