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Q.
The median of $18, 35, 10, 42, 21 $ is
Statistics
Solution:
First we write all the observation as $10,18,21,35,42$.
Since, number of observation $=5$ (odd)
$\therefore $ Median $=\left(\frac{n+1}{2}\right)^{\text {th }} $ observation
$=\left(\frac{6}{2}\right)=3$ rd observation $=21$