A university research team aimed to study the sleep patterns of college students. They randomly selected 400 students from the official student directory of University X. The table displays information for the 150 students in the sample who reported sleeping less than 6 hours per night.
| Sleep Duration | \multicolumn{2}{c | }{Academic Performance} | |
|---|---|---|---|
| Good GPA | Poor GPA | Total | |
| \lt 6 hours | 50 | 100 | 150 |
| \gt= 6 hours | 180 | 70 | 250 |
| Total | 230 | 170 | 400 |
Which of the following is the largest population to which the results of the study can be generalized?
All college students in the country.
The 400 students in the sample from University X.
All students at University X.
All college students who sleep less than 6 hours per night.
