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AP Statistics
Unit 6 – Proportions
Topic 6.8
Why is independence important in two-sample z-intervals?
It guarantees that the sample proportions are valid estimates
It allows us to calculate the standard error accurately
It prevents bias in the selection of the two samples
It ensures that the samples come from random populations
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AP Statistics - 6.8 Confidence Intervals for the Difference of Two Proportions
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Independence
Two-Sample Z-Intervals
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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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