If the mean deviation about median for the numbers
\( \mathrm{P} \)...
If the mean deviation about median for the numbers
\( \mathrm{P} \) \( 3,5,7,2 k, 12,16,21,24 \), arranged in the ascending
W order, is 6 , then the median is
(1) 11.5
(2) 10.5
(3) 12
(4) 11
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