+73 The number of hours studying for spring final exams by 14 randomly selected junior and 12 randomly selected senior students at a certain high school is shown in the dot plots below. Which of the following statements are true? Explain our thinking. 
+1223 I. The range of both distributions is 7 - 0 = 7 hours, so this is true.
II. This is also true, since the seniors graph is skewed.
III. The median is 1 and the mean is roughly 1.667, so this is false.
