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AP Statistics
Unit 6 – Proportions
Topic 6.1
What condition do we need to check to ensure that our sampling distribution is normal and can use z-scores for probabilities or intervals?
Large Counts Condition: np ≥ 10 and n(1-p) ≥ 10
Symmetrical Distribution Condition: np = n(1-p)
Small Counts Condition: np < 10 and n(1-p) < 10
Skewed Distribution Condition: np > 10 and n(1-p) > 10
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AP Statistics - 6.1 Introducing Statistics: Why Be Normal?
Key terms
Sampling Distribution
Z-scores
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About Fiveable
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Resources
Cram Mode
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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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