1.51 Describe graphically the time (in hours) that 20 students studied for a statistics test.

6.5 5.8 4.5 6.2 4.8 7.3 4.6 3.9 4.4 5.5 5.2 6.7 3.0 2.4 5.0 3.6 2.9 4.0 2.8 3.6