Answer
See the picture.
Work Step by Step
Total: 50 commuters.
The relative frequency for "No high school diploma" is $\frac{9}{50}=0.18$
The relative frequency for "High school graduate" is $\frac{16}{50}=0.32$
The relative frequency for "Some college" is $\frac{9}{50}=0.18$
The relative frequency for "Associate’s degree" is $\frac{4}{50}=0.08$
The relative frequency for "Bachelor’s degree" is $\frac{8}{50}=0.16$
The relative frequency for "Advanced degree" is $\frac{4}{50}=0.08$
