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United StatesStatisticsQuick questions

Unit 7: Inference for Quantitative Data: Means

Quick questions on Two-sample t-interval for a difference in means - AP Statistics Unit 7

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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Write the unpooled standard error for xˉ1xˉ2\bar{x}_1 - \bar{x}_2. [1 point]
What is q2?
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A study records each athlete's time on two track surfaces. Two-sample or paired? [1 point]

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