A school is conducting a survey of students to learn more about how they get to school. Students were asked how they travel to school, how long it takes them to get to school, what time they arrive at school, and for a description of their most significant challenges when traveling to school. Several rows of the data collected are shown in the table below.

Which column is data will likely be most difficult to visualize or analyze?

Student ID How Travel How Long Time Arrive Biggest Challenges 738192 Car 10 minutes 7:30 am None 781401 Car 20 minutes 7:45 am 72001 Car .5 hours 7:40 am 74012 Bus 10-20 minutes 7:35 am Sister sometimes sleeps in and I miss my bus 75441 Walk 1 hour 7:30 am 73109 Walk 20 mins 7:45 am 76120 Bus twenty minutes 7:35 am 73012 Car 15 min 7:20 am Waking up! O A. How Travel B. How Long C. Time Arrive D. Biggest Challenges