AP Statistics Flashcards: Justifying Claims Slope Of Regression Models

Study Justifying Claims Slope Of Regression Models in AP Statistics with focused flashcards that help you recognize the idea, recall the key rule, and apply it in practice-style prompts.

QUESTION

Find tt^* for a 95% confidence interval with 18 degrees of freedom.

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ANSWER

t=2.101t^* = 2.101. From tt-table with df=18df = 18 and α=0.05\alpha = 0.05.

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AP Statistics: Inference for Quantitative Data: Slopes

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This deck focuses on Justifying Claims Slope Of Regression Models, giving you a quick way to review the definitions, rules, and examples that matter most for AP Statistics.

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Work through these flashcards in short sessions. Try to answer each prompt before flipping the card, then revisit any cards you miss until the explanation feels automatic.

Practice questions

1 of 50Practice questions for this set
A sports scientist models a runner's 5K time (minutes) from the number of weeks in a training program. The scientist claims that training reduces 5K time by between 0.10 and 0.30 minutes per week. A 95% confidence interval for the slope is (0.28,0.12)(-0.28, -0.12) minutes per week. Is the claim supported by the confidence interval?
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