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AP Statistics
Unit 7 – Means
Topic 7.6
Which of the following statements accurately describes the relationship between sample sizes and the precision of a confidence interval for the difference of two means?
Sample sizes only affect the confidence level, not the precision of the interval.
Sample sizes do not have any impact on the precision of a confidence interval.
Increasing the sample sizes leads to a less precise estimate and a wider confidence interval.
Increasing the sample sizes leads to a more precise estimate and a narrower confidence interval.
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AP Statistics - 7.6 Confidence Intervals for the Difference of Two Means
Key terms
Confidence Interval
Difference of two means
Precision
Sample Sizes
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About Fiveable
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Cram Mode
AP Score Calculators
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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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