EXAMPLE 1 Racial differences in six-year graduation rates

One measurement of student success is the percentage completing a bachelor’s degree within six years. The National Center for Education Statistics publishes reports. The following two-way table is representative of the percentages of students completing a bachelor’s degree within six years for four racial/ethnic groups:

Race/ethnicityWhiteBlackHispanicAsianTotal
Graduated73801185150382410,892
Did not graduate4620181514973768308
Total12,00030003000120019,200

How should we evaluate the information in this table?