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March 30, 2017

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A random sample of n = 9 scores is obtained from a population with ì = 50 and ó = 9. If the sample mean is M = 59, what is the z-score corresponding to the sample mean?

  • statistics - ,

    Z = (mean1 - mean2)/SEm

    SEm = SD/√n

    Insert values and calculate.

  • statistics - ,

    89

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