Mathematics for IGCSE & O level - Statistical Diagrams (Section 5 - No. 34)
Which statement is true concerning the range of a dataset?
The range is the most accurate indicator of spread.
The range is very susceptible to extreme values or outliers.
The range is always positive.
The range is the mode minus the median.
Explication
Outliers can drastically increase the range, making it a less stable measure of spread.