When Would It Be Especially Appropriate to Rely on the Interquartile

Multiple Choice

When would it be especially appropriate to rely on the interquartile range rather than the range to describe a sample's distribution?

A) when the distribution is symmetrical with no outlying values in the distribution
B) when the distribution is slightly negatively skewed with no outlying values in the distribution
C) when the distribution's mean, median, and mode are nearly equal
D) when there are outlying values in the distribution