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ACCA Applied Knowledge · Management Accounting · Sampling methods

Which of the following is a disadvantage of simple random sampling compared with other sampling methods?

A key disadvantage of simple random sampling is that it needs a complete list of the population, called a sampling frame, which may be costly, time-consuming or unavailable. The method itself is unbiased in selection, because every item has an equal chance of being chosen.

  1. AIt requires a complete list of the population, which may be costly or unavailableCorrect
  2. BIt introduces bias because the selector chooses the items
  3. CIt cannot be used when the population is large
  4. DIt gives items from some groups no chance of selection

Explanation

Simple random sampling needs a full sampling frame listing every item, which can be expensive or impractical. It is unbiased in selection, works for large populations with random number tools, and gives every item an equal chance. The other options describe features of non-random methods.

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