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The general population (Population 2) has a mean of 30 and a standard deviation of 5, and the cutoff Z score for significance in a study involving one participant is 1.96. If the raw score obtained by the participant is 45, what decisions should be made about the null and research hypotheses?

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2 answers

  1. Z = (score-mean)/SD

    Calculate the Z score from your data above.

    Do you think a null hypothesis can be accepted or rejected with n = 1?

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  2. Rejected

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