What is the disadvantage of using the **range** as a measure of dispersion?
AIt is hard to calculate
BIt is always equal to zero
CIt uses only the maximum and minimum, ignoring all other observations
DIt cannot be expressed as a number
Answer & Solution
Correct answer: C. It uses only the maximum and minimum, ignoring all other observations
Range gives only a rough idea since it ignores how observations are distributed between the extremes.
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