To analyze how Arizona workers ages 16 or older travel to work (carpool, private vehicle, public transportation, other), data from 20 workers were collected and are shown in the table below.

Carpool
Carpool
Carpool
Private
Private
Private
Other
Carpool
Carpool
Private
Carpool
Other
Public
Other
Private
Private
Private
Carpool
Other
Other

a) Since data were collected for variable(s), the correct graph to make is a .

b) Complete the frequency/relative frequency table.

Transportation Type Frequency Relative Frequency
Carpool
Private
Public
Other

c) Which of the following is the correct bar chart for the given data?

d) Which of the following is the correct pie chart for the given data?