A sample of students in a dormitory was selected to participate in a study in which they were asked to report how much time they were spending on a social media site. Each point on the graph above represents the amount of time one student from the sample reported spending on the social media site per day and how much time he or she actually spent on the site per day.

What is the approximate range of the time, in hours per day, that students self-reported being on the social media site?

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Using the graph, we obtain the point of the student who self-reported the least time spent and the student who self-reported the most time spent.

We can approximate the difference between the two points as approximately 275 minutes. Converting to hours gets us approximately \(\boxed{4.5}\) hours.