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United StatesStatisticsQuick questions

Unit 6: Inference for Categorical Data: Proportions

Quick questions on Justifying a claim from a two-proportion interval - AP Statistics Unit 6

2short Q&A pairs drawn directly from our worked dot-point answer. For full context and worked exam questions, read the parent dot-point page.

What is q1?
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A 95%95\% interval for p1p2p_1 - p_2 is (0.08,0.01)(-0.08, -0.01). What does it say? [1 point]
What is q2?
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Why must a magnitude claim be checked against the whole interval, not the observed difference? [1 point]

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