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Tools in Data Science · End Term · 21 Dec 2025 · September 2025 term

Question 12: Your team builds a recommendation system that suggests p…

Question 12

+1 markOne correct option

Your team builds a recommendation system that suggests products to users. After deployment, you notice that recommendations for certain user segments are significantly worse than others. What is the best systematic approach to diagnose and fix this?

  1. A

    Retrain the model with more data and hope it improves

  2. B

    Analyze performance by segment, identify biases in training data, add segment-specific tests, and validate fixes

  3. C

    Disable recommendations for poorly performing segments

  4. D

    Manually override recommendations for affected users

Show answer

Correct answer

  • B

    Analyze performance by segment, identify biases in training data, add segment-specific tests, and validate fixes

See the whole paperTake it as a mock test

Question 12 of 36 in the IIT Madras BS Tools in Data Science (Tools in Data Science (TDS)) End Term paper sat on 21 Dec 2025, in the September 2025 term (Tools In Data Science 18 Dec 25). It carries 1 mark.

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