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Practice Questions -- Hypothesis Testing

Practice Questions -- Hypothesis Testing - typical dining...

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PRACTICE QUESTIONS TESTS OF HYPOTHESIS Please practice solving these questions.
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QUESTION 2. Sam claims that the average Fall ‘09 CE 398 student is a fast eater. (Let’s say “fast eaters” are those who spend less than 10 minutes dining at fast food restaurants). Teresa doubts Sam’s claim and sets out to investigate whether it’s true. She selects 10 of her CE 398 colleagues and interviews them about their
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Unformatted text preview: typical dining time durations. She had the following results (in minutes): 10.3, 5.8, 11.5, 20.4, 15.5, 13.8, 23.8, 30.9, 11.9, and 22.4. What is Teresa’s conclusion, at 90% level of confidence? Show all detailed calculations and provide a sketch of the graph associated with your final answer....
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