Set 1: 8, 15, 13, 7, 11, 17, 13
Median = 13
Lower quartile = 8
Upper quartile = 15
Range = 10
Interquartile range = 7

Set 2: 8, 15, 13, 7, 11, 17, 13, 100
Median = 13
Lower quartile = 9.5
Upper quartile = 16
Range = 93
Interquartile range = 6.5

Which set contains an outlier?

Which measure of spread was most impacted by the outlier?