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United StatesStatisticsQuick questions

Unit 5: Sampling Distributions

Quick questions on Sampling distributions for differences in proportions - AP Statistics Unit 5

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 standard deviation formula for p^1−p^2\hat{p}_1 - \hat{p}_2 and state why variances are added. [2 points]
What is q2?
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List the conditions needed for p^1−p^2\hat{p}_1 - \hat{p}_2 to be approximately normal. [1 point]

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