Coaching and SAT scores What we really want to know is whether coached students improve more than

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Coaching and SAT scores What we really want to know is whether coached students improve more than uncoached students, and whether any advantage is large enough to be worth paying for. Use the information above to answer these questions:

(a) How much more do coached students gain on the average?

Construct and interpret a 99% confidence interval.

(b) Does the interval in part

(a) give convincing evidence that coached students gain more, on average, than uncoached students? Explain.

(c) Based on your work, what is your opinion: do you think coaching courses are worth paying for?

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The Practice Of Statistics

ISBN: 9781464108730

5th Edition

Authors: Daren S. Starnes, Josh Tabor

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Question Posted: Jul 18, 2024 10:15 AM

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Coaching and SAT scores What we really want to know is whether coached students improve more than

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The Practice Of Statistics

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