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Exam AAIA Topic 2 Question 155 Discussion

Actual exam question for ISACA's AAIA exam
Question #: 155
Topic #: 2
Which of the following is the BEST key performance indicator (KPI) to measure a model ' s performance on imbalanced datasets?

Suggested Answer: A Vote an answer

For imbalanced datasets, standard " accuracy " or " error rate " is misleading (e.g., if 99% of transactions are legitimate, a model that predicts " legitimate " every time is 99% accurate but useless for fraud detection). The
" F1 score " is the harmonic mean of Precision and Recall, providing a balanced metric that considers both false positives and false negatives. It is the industry-standard KPI for evaluating how well a model handles the minority class. While Precision and Recall are valuable individually, the F1 score provides a single, comprehensive measure of the model ' s effectiveness in skewed environments.

by Regina at Aug 09, 2026, 09:08 AM

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Here are all the actual test exam dumps for IT exams. Most people prepare for the actual exams with our test dumps to pass their exams. So it's critical to choose and actual test pdf to succeed.

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