12th Grade Statistics Quizzes, Questions & Answers
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1-tailed
2-tailed
.05
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.01
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Questions: 12 | Attempts: 52 | Last updated: May 17, 2023
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Sample Question 1A researcher is testing whether students who sleep well the night before an exam have better scores than students who don’t sleep well the night before an exam. Which is “population 1”?
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Sample Question 2Using the information from Question 1, what is the appropriate research hypothesis?
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Sample Question 3Continuing from Question 1, we know μ = 85 and σ = 7. If a student from Population 1 has a score of 95, what can the researcher conclude? (Assume .05 significance level)
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