david a high school senior was wondering if the cost of attending college is worth the expense. he collected the following data about the annual salaries in thousands of dollars, for college graduates and highschool graduates

Part A: Based on the information collected, who will have the higher mean annual salary?

College graduates have a higher mean by about $20,000

Part B: If you were to graph this data, what would be important to consider?

The data should be graphed on the same axis and scale so comparisons are possible

Part A is College graduate have a higher mean by about 20,000

Part B is The data should be graphed on the same axis scale so comparison are possible