Asked by Anonymous
Given a population mean IQ =100 and a standard deviation of 16, for a random sample of size 64, what is the probability that the sample mean IQ will be greater than 104?
Answers
Answered by
PsyDAG
Z = (sample mean-pop.mean)/SEm
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
SEm = SD/√n
Find table in the back of your statistics text labeled something like "areas under normal distribution" to find the proportion/probability related to the Z score.
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