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(5pts) A random sample of 120 students at BAU was taken to estimate the participating to the office hours. Suppose that the population times have
(5pts) A random sample of 120 students at BAU was taken to estimate the participating to the office hours. Suppose that the population times have a normal distribution with a mean of 76 minutes and standartd deviation of 22 minutes What is the standard error of the sample mean based on the given sample data? Use Excel to calculate it. Use two Decimals. Standard Error of the Mean
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