You Are Interested in Examining the Salaries Earned by Graduate

Essay

You are interested in examining the salaries earned by graduate business school students at the end of the first year after graduation.In particular,you are interested in seeing whether there is a difference between men and women graduates' salaries.From a random sample of 55 women,you find the mean salary to be $47,520 with a standard deviation of $5,633.From a sample of 64 men,you find the mean salary to be $44,304 with a standard deviation of $4,793.Assume the random sample observations are from normally distributed populations,and that the population variances are assumed to be equal.Develop a 95% confidence interval for the difference between the population mean salary for men and women.