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March 28, 2017

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Consider a population with µ=73.6 and 0 = 5.38
(A) Calculate the z-score for x =72.7 from a sample of size 45.
(B) Could this z-score be used in calculating probabilities using Table 3 in Appendix B of the text? Why or why not?

  • Statistics - ,

    (A) Z = (score-mean)/SD if x = raw score.

    Z = (score-mean)/SEm if x = mean, with SEm = SD/√(n-1)

    (A) We do not have access to your table.

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