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AP Statistics
Unit 5 – Sampling Distributions
Topic 5.6
What step comes before square rooting when trying to find the overall standard deviation in a sample means for proportion differences?
Divide the variances by each sample size.
Subtract the variances of the two samples.
Take the square root of the variances.
Add the variances of the two samples.
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AP Statistics - 5.6 Sampling Distributions for Differences in Sample Proportions
Key terms
Standard Deviation
Proportion Differences
Sample Means
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About Fiveable
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Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
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Crisis Text Line
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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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