A data set contains the numbers {10, 15, 20, 25, 100}. If the number 100 is removed from the data set and replaced with the number 30, which of the following statements is true about the mean and median of the new data set compared to the original?
The mean increases, and the median increases.
The mean decreases, and the median increases.
The mean decreases, and the median remains the same.
The mean remains the same, and the median decreases.
