CompTIADY0-00198 cards5 domains

DY0-001 Flashcards

Active recall study cards for the CompTIA DataAI (formerly DataX) exam. Flip each card to reveal the answer, filter by domain, or shuffle for spaced repetition.

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mathematics-and-statistics

When should you use a t-test vs ANOVA to compare group means?

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Answer

Use an independent t-test to compare means between exactly two groups. Use ANOVA when comparing means across three or more groups simultaneously — running multiple t-tests inflates the Type I error rate.

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