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United StatesStatisticsQuick questions

Unit 2: Exploring Two-Variable Data

Quick questions on Least squares regression - AP Statistics Unit 2

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 regression has r=−0.5r = -0.5. Find r2r^2 and state what it means. [2 points]
What is q2?
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Given xˉ=10\bar{x} = 10, yˉ=50\bar{y} = 50, and slope b=4b = 4, find the intercept. [1 point]

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