Quartile deviation for a frequency distribution is [DCE 1998]

1.	Quartile deviation for a frequency distribution is [DCE 1998]
A.	\[Q={{Q}_{3}}-{{Q}_{1}}\]
B.	\[Q=\frac{1}{2}({{Q}_{3}}-{{Q}_{1}})\]
C.	\[Q=\frac{1}{3}({{Q}_{3}}-{{Q}_{1}})\]
D.	\[Q=\frac{1}{4}({{Q}_{2}}-{{Q}_{1}})\]
Answer» C. \[Q=\frac{1}{3}({{Q}_{3}}-{{Q}_{1}})\]

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Quartile deviation for a frequency distribution is [DCE 1998]

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