AP Statistics · Topic 9.6

Skills Focus: Selecting an Appropriate Inference Procedure Practice

Part of Inference for Quantitative Data: Slopes.

Practice questions

2

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Sample questions

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  1. Sample 1difficulty 3/5

    For two quantitative variables, you should use

    • A

      Slope inference (t-test on β) and CI for β

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    • B

      Goodness-of-fit

    • C

      Paired t

    • D

      Two-proportion z

    Why

    Two quantitative → regression inference.

  2. Sample 2difficulty 4/5

    A complete regression report includes

    • A

      Conditions, coefficient table, R², residual plot inspection, conclusion in context

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    • B

      Just slope

    • C

      Just R²

    • D

      Just p-value

    Why

    Best practices include all components.