A data set represents the heights of 11 students in inches: 60, 62, 62, 65, 66, 67, 68, 70, 71, 73, 75. If a new student with a height of 61 inches is added to this data set, which of the following measures will be greater for the new 12-student data set than for the original 11-student data set?
I. The median height
II. The mean height
I and II
I only
II only
Neither I nor II