Use the data set to determine which statements are correct. Check all that apply. 115, 120, 118, 104, 109, 148, 135, 141. 139
The median is 120
The median is 109
There is an outlier.
The lower quartile is 118.
The lower quartile is 112.
The upper quartile is 140.
The upper quartile is 141
The interquartile range is 28.