Setting Up a Test for a Population Mean

AP Statistics· difficulty 3/5

For the same data and direction-matching alternative, one-tailed p-value vs two-tailed

  • A

    Equal

  • B

    One-tailed = (two-tailed)/2

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  • C

    Two-tailed = one-tailed/2

  • D

    Independent

Explanation

For symmetric distributions, halving the two-tailed p-value gives one-tailed.

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AP Statistics · Setting Up a Test for a Population Mean Practice Question | Acemy