21. A data professional is evaluating a model’s performance and considering how it can be improved. Which PACE stage does this scenario describe?

  • Plan
  • Construct
  • Analyze
  • Execute

22. In the model-development process, which type of feature is not useful by itself for predicting the target variable, but becomes predictive in conjunction with other features?

  • Predictive
  • Interactive
  • Redundant
  • Irrelevant

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