Bob looks in the classified ads for rents of apartments in the Gold Coast vs. Wrigley-ville. He writes down the figures for 25 apartments in each location. He then summarizes the two distributions as follows: Gold Coast: x-bar=632 and s=11 Wrigley-ville: x-bar=581 and s=18 Calculate a 99% confidence interval for the difference in rents.

No interpretation required. Note that this problem calls for a confidence interval.

If you execute a hypothesis test you will receive 0 points for this problem.