A 95% CI for μ that excludes 0 implies
- A
Always fails to reject
- Bcheck_circle
Two-sided test of H₀: μ = 0 rejects at α = 0.05
- C
Sample bias
- D
p-value > 0.05
Explanation
CI exclude null value ⇔ test rejects at the corresponding level.
Skills Focus: Selecting, Implementing, and Communicating Inference Procedures
AP Statistics· difficulty 4/5
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