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AP Statistics Flashcards: Justifying Claims Difference Of Two Means

Study Justifying Claims Difference Of Two Means in AP Statistics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Calculate the lower bound: CI=(5,15)CI = (5, 15)

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ANSWER

Lower bound is 55. Lower bound is the smaller endpoint value.

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AP Statistics: Inference for Quantitative Data: Means

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This deck focuses on Justifying Claims Difference Of Two Means, giving you a quick way to review the definitions, rules, and examples that matter most for AP Statistics.

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Practice questions

1 of 48Practice questions for this set
A hospital compares mean length of stay (days) for patients receiving a new discharge protocol (New) versus the old protocol (Old). A 98% confidence interval for μNew−μOld\mu_{New}-\mu_{Old} is (−1.9, −0.4)(-1.9,\ -0.4). The hospital claims the new protocol reduces mean length of stay. Is the claim supported by the interval?
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