📊ap statistics review

Success/failure condition

Written by the Fiveable Content Team • Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examWritten by the Fiveable Content Team • Last updated August 2025

Definition

A normality check requiring that n₁p̂₁, n₁(1-p̂₁), n₂p̂₂, and n₂(1-p̂₂) are all at least 5 or 10 to ensure the sampling distribution is approximately normal.

AP course connection

Topic 6.8: 6.8 Confidence Intervals for the Difference of Two Proportions

Unit 6

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