Homework Help: statistics

Posted by amy on Wednesday, November 9, 2011 at 5:02pm.

Help!!!!!!
A confidence interval estimate for the population mean is given to be (39,90, 48.11) If the standard deviation is 11.473 and the sample size is 52 determine the maximum error of the estimate. determine the confidence level used for the given confidence interval

statistics - PsyDAG, Thursday, November 10, 2011 at 12:15pm
What level of confidence are you talking about?

??% confidence interval = mean ą ?? SEm

SEm = SD/√n

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