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Carrying Out a Test for a Population Mean

AP Statistics· difficulty 4/5

9 paired differences with mean 4, SD 6. t-statistic =

  • A

    1.0

  • B

    1.5

  • C

    3.0

  • D

    2.0

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Explanation

SE = 6/3 = 2; t = 4/2 = 2.

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