Short Answer

State the two issue-to-action mappings in the formula.

Question: In one to three sentences, state the recommended action for high avoidable bias and the recommended action for high variance.

Sample answer: For high avoidable bias, increase model size. For high variance, add data to the training set.

Key points:

  • High avoidable bias: increase model size.
  • High variance: add training data.

Rubric: The answer must state both mappings accurately and without reversing them.

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Updated 2026-07-18

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