Question

Which measure of dispersion is most affected by extreme values?

• A. Standard deviation
• B. Mean deviation
• C. Range
• D. Quartile deviation

Answer 1

The correct option is C Range

Range is the most simple and commonly understandable measures of dispersion.Range is defined as the difference between the highest(or largest ) and lowest(or smallest) observed value in a series. Therefore, it is the most affected measures of dispersion by the extreme values of the series.