Homework Help: statistics

Posted by Anonymous on Sunday, November 6, 2011 at 1:02pm.

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 - PsyDAG, Monday, November 7, 2011 at 12:27am
Z = (mean1 - mean2)/SEm

SEm = SD/√n

Insert values and calculate.

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