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Mathematics

9thgrade

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AP Statistics

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13 questions

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  • 1. Multiple Choice
    30 seconds
    1 pt

    Which of the following best describes a Type I error?

    The null is true, but we mistakenly reject it.

    The null is false and we reject it.

    The null is false, but we fail to reject it.

    The null is true but we fail to reject it.

    The null is true, and we fail to reject it.

  • 2. Multiple Choice
    1.5 minutes
    1 pt
    To test a claim about a mean, when the population standard deviation is unknown we use:
    z procedures
    Pythagorean Theorem
    t procedures
    np > 10 and n(1-p) > 10
  • 3. Multiple Choice
    1.5 minutes
    1 pt

    The null hypothesis is represented by:

    Ha

    Ho

    t*

    HP

    μ

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