A school starts tracking which websites each computer in the school is visiting by monitoring the packets leaving the school. A sample of the information they have collected appears below:

IP Address Time URL
... ... ...
11:05:23.22
11:05:29.71
11:06:13.48
11:08:09.95
... ... ...
17:04:29.20

Which of the following is MOST likely to be answerable using all the data collected by this monitoring?
1) Identifying the most visited website during school hours
2) Determining the average time spent on each website
3) Analyzing the browsing patterns of individual computers
4) Tracking the IP addresses of websites visited