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Exam IIBA-CBDA topic 1 question 27 discussion

Actual exam question from IIBA's IIBA-CBDA
Question #: 27
Topic #: 1
[All IIBA-CBDA Questions]

After analyzing sales data, the analytics team finds that the older the customer, the more expensive the neckties purchased. The team felt this was a breakthrough insight but on closer analysis realized that other factors could account for this relationship.
This is a clear indication that:

  • A. Correlation between variables does not imply causation
  • B. Causation has no relationship with correlation
  • C. Correlation between variables implies causation
  • D. Causation between variables does not imply correlation
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Suggested Answer: A 🗳️

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Rabbitsfoot
2 months, 4 weeks ago
Selected Answer: A
See page 123 on Multivariate measures...the CBDA guide aligns with the question by highlighting the concept of correlation and its relationship to understanding interrelationships between variables. It explains how correlation measures the degree to which two variables move in relation to each other but also cautions that high correlation does not necessarily indicate causation. This supports the idea that correlation between variables does not imply causation. Research conclusion: This scenario indicates that while there may be a correlation between the age of the customer and the price of neckties purchased, it does not necessarily mean that one causes the other. There could be other factors influencing this relationship, highlighting the distinction between correlation and causation.
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