A small art gallery recorded the number of paintings sold each day for a week: 1, 1, 1, 2, 2, 2, 2, 3, 3, 4. If on the next day, the gallery sells 15 paintings, which of the following measures will be greater for the new data set of 11 days than for the original data set of 10 days?

I. The median number of paintings sold
II. The mean number of paintings sold