(c) To assess how well the chosen model will work in future.
Model evaluation helps find the best model that represents our data and how well the chosen model will work in the future.
Source: Chapter 3, Introduction & Section 3.1
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The passage explicitly states: "Model Evaluation… helps to find the best model that represents our data and how well the chosen model will work in the future." This directly matches option (c). For MCQs, always quote or paraphrase the source to show reasoning, but keep it to one line.