Multiple Choice Flashcards on 01 CompTIA DataAI / 01 Mathematics and statisti...

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Flashcard Practice CompTIA DataAI Multiple Choice

A team measures the same employees' assessment scores before and after a security training program. The goal is to test whether the mean score changed. Which approach is most defensible?

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Use a chi-squared test on the raw scores Cluster employees and compare cluster labels Treat pre-training and post-training scores as unrelated samples Use a paired t-test on each employee's before-after difference

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