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.   After any needed cleaning, which column of data will likely be most difficult to visualize or analyze?   a-How Travel   b-How Long   c-Time Arrive   d-Biggest Challenges

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
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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.
 
After any needed cleaning, which column of data will likely be most difficult to visualize or analyze?
 

a-How Travel

 
b-How Long
 
c-Time Arrive
 
d-Biggest Challenges
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!
Transcribed Image Text: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!
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