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AP Statistics
Unit 5 – Sampling Distributions
Topic 5.6
If you are only given the standard deviations for both samples in a proportion differences problem, how can you find the overall standard deviation?
Square both standard deviations, add them up, and then take the square root.
Subtract both standard deviations.
Take the square root of both standard deviations.
Divide both standard deviations.
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AP Statistics - 5.6 Sampling Distributions for Differences in Sample Proportions
Key terms
Standard Deviation
Proportion Differences
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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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