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    Question

    What is perplexity in language

    models?
    A A measure of model size Correct Answer Incorrect Answer
    B A measure of prediction uncertainty Correct Answer Incorrect Answer
    C A measure of translation accuracy Correct Answer Incorrect Answer
    D A normalization constant Correct Answer Incorrect Answer
    E A measure of precision Correct Answer Incorrect Answer

    Solution

    Lower perplexity indicates a language model predicts the next word with higher certainty.

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