Question

# Quartile deviation for a frequency distribution is given by

A
Q=14(Q2Q1)
B
Q=13(Q3Q1)
C
Q=12(Q3Q1)
D
Q=(Q3Q1)

Solution

## The correct option is C $$Q=\cfrac { 1 }{ 2 } (Q_{ 3 }-{ Q }_{ 1 })$$It is fundamental concept that quartile deviation of any frequency distribution is given by,$$Q = \cfrac{1}{2}(Q_3-Q_1)$$Maths

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