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Skills Focus: Selecting, Implementing, and Communicating Inference Procedures

AP Statistics· difficulty 3/5

A CI procedure with 95% confidence captures the parameter

  • A

    About 95% of the time in repeated sampling

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  • B

    Always

  • C

    Only if H₀ is true

  • D

    Never if biased

Explanation

Frequentist guarantee: 95% of intervals capture the true parameter in the long run.

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