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October 25, 2014

October 25, 2014

Posted by **jane** on Monday, October 24, 2011 at 8:43am.

(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 -
**PsyDAG**, Monday, October 24, 2011 at 10:32am(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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