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📝 **Question:** You preprocess columns differently (scale numerics, one-hot encode categoricals), then fit a model. What's the production-grade way to wire it together?
📋 Pick the right answer.
💡 **Hint:** Re-read the theory above if unsure.
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📝 **Question:** You preprocess columns differently (scale numerics, one-hot encode categoricals), then fit a model. What's the production-grade way to wire it together?
📋 Pick the right answer.
💡 **Hint:** Re-read the theory above if unsure.