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AP Statistics
Unit 8 – Chi–Squares
Topic 8.1
What is random variation in statistics?
The probability of correctly detecting a difference between variables
The possibility that the observed difference between variables occurred by chance
The law that states the sample mean becomes closer to the population mean as sample size increases
The difference between observed and expected counts in categorical data
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AP Statistics - 8.1 Introducing Statistics: Are My Results Unexpected?
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Random Variation
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About Us
About Fiveable
Blog
Careers
Testimonials
Code of Conduct
Terms of Use
Privacy Policy
CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
Crisis Text Line
Request a Feature
Report an Issue
© 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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