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Unit 7: Inference for Quantitative Data: Means

Quick questions on Carrying out a one-sample t-test for a mean - 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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For xˉ=52\bar{x} = 52, μ0=50\mu_0 = 50, s=8s = 8, n=16n = 16, find tt and the degrees of freedom. [2 points]
What is q2?
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A one-sided lower test gives t=1.80t = -1.80 with df=20df = 20. Roughly, is the P-value above or below 0.050.05? [1 point]

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