An independent agency has been charged with investigating
gender discrimination based on pay differentials in a large
company. They find that from a sample of 236 women in salaried
positions, women are paid an average of 48,352 dollars annually
with a standard deviation of 5,285 dollars. From a sample of 257
men, they find that men in salaried positions on average earn about
54,285 dollars annually with a standard deviation of 8,456
dollars.
Calculate a 95 percent confidence interval for...