Answer:
0 - 1.99
Explanation:
According to the problem, we have the following information:
Intervals (hours) Students
0 - 1.99 7
2 - 3.99 6
4 - 5.99 3
6 - 7.99 4
8 - 9.99 1
As you can see in the table below, the interval of hours with greater number of students is 0 - 1.99.
Therefore, 7 students study between 0 and 2 hours each week.