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AP Statistics
Unit 4 – Probability, Random Variables, and Probability Distributions
Topic 4.8
What does the standard deviation of a random variable measure?
The spread or variability of the values.
The sum of all the values in the distribution.
The difference between the maximum and minimum values.
The probability of a specific outcome.
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AP Statistics - 4.8 Mean and Standard Deviation of Random Variables
Key terms
Random Variable
Standard Deviation
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About Fiveable
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CCPA Privacy Policy
Resources
Cram Mode
AP Score Calculators
Study Guides
Practice Quizzes
Glossary
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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