Quartile deviation is nearly equal to
(A) \( \sigma \)
(B) \( 3 / 2 \sigma \)
(C) \( 2 / 3 \sigm...
Quartile deviation is nearly equal to
(A) \( \sigma \)
(B) \( 3 / 2 \sigma \)
(C) \( 2 / 3 \sigma \)
(D) none of these
\( \mathrm{P} \)
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