30 POINTS, WILL GIVE BRAINLIEST, PLS HELP FAST !!

What is the effect of removing the outlier 100 from the following data set? (1 point)

{12, 14, 18, 19, 19, 21, 27, 28, 100}

The mean would increase.

The median would stay the same.

The interquartile range would increase.

The median of the upper quartile would stay the same.