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AP Statistics
Unit 7 – Means
Topic 7.5
When is a one-tailed test more powerful than a two-tailed test?
When the population standard deviation is known.
When the population mean is equal to the hypothesized mean
When the sample size is small.
When the population mean is greater than the hypothesized mean
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AP Statistics - 7.5 Carrying Out a Test for a Population Mean
Key terms
One-tailed test
Powerful
Two-tailed test
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About Fiveable
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Resources
Cram Mode
AP Score Calculators
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Practice Quizzes
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Crisis Text Line
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© 2024 Fiveable Inc. All rights reserved.
AP® and SAT® are trademarks registered by the College Board, which is not affiliated with, and does not endorse this website.
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