A bar graph titled Time Students Spent Studying with hours on the x-axis and students on the y-axis. 3 students spent 0 to 59 minutes, 5 students spent 1 to 1 hour and 59 minutes, 7 students spent 2 to 2 hours and 59 minutes, 4 students spent 3 to 3 hours and 59 minutes, and 1 student spent 4 to 4 hours and 59 minutes.
Use the drop-down menus to answer the questions.

What do the numbers on the left, or y-axis, represent?
How many students spent 2 or more hours studying?
How many students spent fewer than 2 hours a night studying?