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Exam IIBA-CBDA topic 1 question 31 discussion

Actual exam question from IIBA's IIBA-CBDA
Question #: 31
Topic #: 1
[All IIBA-CBDA Questions]

A research marketer is interested in collecting information about the spending habits of families in North America. Concerned about the volume of data required to conduct the research, they choose to use sampling. The dataset is sourced using all credit card transactions from a leading North American credit card company for Quarter 1 of the prior year.
The sample used is:

  • A. Statistically representative
  • B. Biased
  • C. Not relevant
  • D. Too large to be helpful
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Suggested Answer: B 🗳️
by Rabbitsfoot at July 21, 2024, 2:13 p.m.

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Rabbitsfoot
6 months ago
Selected Answer: B
The sample may be biased because it relies on transactions from a single credit card company, potentially leading to skewed results that do not accurately reflect the spending habits of all families in North America. See pg 104 - 3.2 Bss Visualizations - Present unbiased analysis
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