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Unit 9: Inference for Quantitative Data: Slopes

Quick questions on Carrying out a t-test for a regression slope - AP Statistics Unit 9

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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Output gives b=1.5b = 1.5, SEb=0.5SE_b = 0.5, n=24n = 24. Find the t statistic and degrees of freedom. [2 points]
What is q2?
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Output reports a two-sided P-value of 0.040.04, but your test is one-sided in the direction of bb. What P-value do you use? [1 point]

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