Short Answer

Effect of Adding Training Data on Model Bias

Question: When a practitioner decides to add more training data to resolve high variance in a machine learning model, what is the typical effect of this addition on the model's bias?

Sample answer: Adding training data to address variance usually does not affect the model's bias.

Key points:

  • Adding training data reduces variance.
  • Adding training data does not affect bias.

Rubric: The answer must correctly state that adding training data does not affect or change bias.

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Updated 2026-05-26

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