Question: what are the merits and demerits of range?
Answer: • Range= Largest value (L) – Smallest Value (S) • Coefficient of Range= (L- S)/ (L   S) Merits of Range: It is simple to understand and easy to calculate. It is less time consuming. Demerits of Range: It is not based on each and every item of the distribution. It is very much affected by the extreme values.