Why do we divide the variances of each sample proportion by their sample size before finding the overall standard deviation? | Fiveable

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Why do we divide the variances of each sample proportion by their sample size before finding the overall standard deviation?

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AP Statistics - 5.6 Sampling Distributions for Differences in Sample Proportions

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About Fiveable Blog Careers Code of Conduct Terms of Use Privacy Policy CCPA Privacy Policy

Resources

Cram Mode AP Score Calculators Study Guides Practice Quizzes Glossary Cram Events Merch Shop Crisis Text Line Help Center

© 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.