Which of the following is true of the data set represented by the box plot?

box plot with min at 10.5, Q1 at 11.5, median at 12.5, Q3 at 13.5, max at 15, point at 33

If the outlier is included in the data, the mean would not change.
If the outlier is included in the data, the mean would decrease.
If the outlier is included in the data, the box plot would be significantly skewed.
If the outlier is included in the data, the length of the tails would not change.