Education pays off, according to a snapshot provided in a report to the city of Riverside by the Riverside County Office of Education. 7 The average annual incomes for six different levels of education are shown in the table:        

            Educational Level                                        Average Annual Income
                High school graduate.................................................$26,795
                Some college, no degree.............................................29,095
                Bachelor’s degree....................................................... 50,623
                Master’s degree.......................................................... 63,592
                Doctorate.................................................................... 85,675
                Professional (Doctor, Lawyer)...................................101,375

a. What graphical methods could you use to describe the data?
b. Select the method from part a that you think best describes the data.
c. How would you summarize the information that you see in the graph regarding educational levels and salary?