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What is the objective of using probability proportional to size sampling (PPS) to test account balances?

What is the objective of using probability proportional to size sampling (PPS) to test account balances?

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Answer #1

Below are the objective of using probability proportional to size sampling (PPS) to test account balances

  • Chances of selecting a thing from a large group are less than selecting a thing from a smaller group. for example, one sample had 20,000 things, the probability of a thing being selected would be 1/20000 or .005 percent. If another sample had 10,000 thing, the chance of a thing being selected would be 1/10000 or .01 percent
  • It has a known non-zero probability of being selected.
  • It takes varying sample sizes into account
  • This helps to avoid underrepresenting one subgroup in a study
  • It yields more accurate result.
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