Confidence Interval for Population Mean
Provide further clarification for this problems. I was given the answers, but having problem showing how to get the answer manually. Not to use Excel, but learning how to get to the answer manually.
If X(bar) = 50, S=15, and n= 16, and assuming that the population is normally distributed, construct a 99% confidence interval estimate of the population mean, u.
See the attached file.