Question
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?
Answers
PsyDAG
Z = (mean1 - mean2)/SEm
SEm = SD/√n
Insert values and calculate.
SEm = SD/√n
Insert values and calculate.
Anonymous
89