Question 1

A public utility company wants to survey its customers regarding a new pricing structure. The customer base is divided into three distinct income brackets: Low, Medium, and High. The company wants to ensure that the sample reflects the exact proportion of each income bracket in the total customer base, and then selects customers randomly within those brackets.

Which sampling method is being used?

Accepted Answer

Look for the keywords: divided into distinct groups (strata), proportional representation, and random selection within those groups.

Question 2

What mistakes do candidates make on this ACCA question?

Accepted Answer

Confusing stratified sampling with quota sampling. Quota sampling does not use random selection for the final subjects.

How to approach this question

Full Answer

Common mistakes

Practice the full ACCA MA — Management Accounting Practice Exam 2

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