Question

Which of the following measures of dispersion can attain a negative value?

• A. Range
• B. Mean deviation
• C. Standard deviation
• D. None of the above

Answer 1

The correct option is D None of the above

Measure of dispersion is a statistical method to find a specific value from a dispersed series where the extent to which various values of the series tend to disperse from each other or from the average is measured. So all the measures of dispersion from range to standard deviation has positive value.