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Interpreting a confidence interval

The questions ask you to say what a confidence level describes and to read magnitude and precision from an interval rather than only whether it excludes zero. The construction returns easily; the pull toward treating the interval as a probability about the parameter is what needs unlearning.

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What this covers

  • Construct and interpret an interval estimate

    Given an estimate and its standard error, the learner can construct the appropriate interval and state what the confidence level does and does not claim.

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