A survey was conducted among 1,200 high school students about their preferred study methods. The table below displays a summary of the survey results by grade level.
Study Method Preferences
| Solo Study | Group Study | Online Resources | Total |
|---|---|---|---|
| 9th Grade | 150 | 90 | 60 |
| 10th Grade | 180 | 70 | 50 |
| 11th Grade | 160 | 80 | 60 |
| 12th Grade | 170 | 60 | 70 |
| Total | 660 | 300 | 240 |
Which grade level has the highest proportion of students who prefer Group Study?
9th Grade
10th Grade
11th Grade
12th Grade
