Question

If Q₁ = 30 and Q₃ = 50, the coefficient of quartile deviation is

विकल्प

• 20

• 40

• 10

• 0.25

Answer 1

0.25

Explanation:

Coefficient of quartile deviation = `("Q"_3 - "Q"_1)/("Q"_3 + "Q"_1)`

= `(50 - 30)/(50 + 30)`

= `20/80`

= `1/4`

= 0.25