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Decision for a hypothesis test

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A researcher conducts a repeated-measures study to evaluate a treatment with a sample of n = 16 participants and obtains a t statistic of t = 1.94. The treatment is expected to increase scores and the sample mean shows an increase. Which of the following is the correct decision for a hypothesis test using a = .05.

  • Reject the null hypothesis with a one-tailed test but fail to reject with two tails
  • Reject the null hypothesis with either a one-tailed or a two-tailed test
  • Fail to reject the null hypothesis with either a one-tailed or a two-tailed test
  • Fail to reject the null hypothesis with a one-tailed test but reject with two tails

Reference no: EM131460846

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