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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.
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.
Sample sizes do not have any impact on the precision of a 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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Cram Mode
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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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