On the basis of data in Example 2 of section 9.5 of Chapter 9 , calculate the value of coefficient of Quartile Deviation .

On the basis of data in Example 2 of section 9.5 of Chapter 9 , calcul

1.	On the basis of data in Example 2 of section 9.5 of Chapter 9 , calculate the value of coefficient of Quartile Deviation .
Answer» SOLUTION :`V_(Q) = (Q_(3) - Q_(1))/(Q_(3)- Q_(1)) = (20-9)/(20+9) = (11)/(29) = 0.38` (or 38%)